{"type":"FeatureCollection","features":[{"type":"Feature","id":763,"geometry":{"type":"Point","coordinates":[-79.19166999999999,33.231670000000065]},"properties":{"ESRI_OID":763,"MSI_UID":763,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Winyah Bay Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384345,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:winbaycha","WATERWAY_NAME":"Winyah Bay Channel","CREATE_DATE":1727364820000,"MODIFIED_DATE":1749576526000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"The Coast Guard Mooring Buoy WB (LLNR 1958) will be permanently relocated to approximate position 33-14-59.160N/079-12-47.580W. The new location will provide a more protected environment from the previous exposed location for CG assets when moored to this buoy.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.19167,33.23167]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.19167,"DECIMAL_LATITUDE":33.23167,"AID_UID":100117421890,"AID_NAME":"Coast Guard Mooring Buoy WB","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":1958,"COLOR":"W","DESCRIPTION_TYPE":"ULB"}},{"type":"Feature","id":765,"geometry":{"type":"Point","coordinates":[-79.12032999999997,33.193670000000054]},"properties":{"ESRI_OID":765,"MSI_UID":765,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Winyah Bay Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384345,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:winbaycha","WATERWAY_NAME":"Winyah Bay Channel","CREATE_DATE":1727365642000,"MODIFIED_DATE":1749576507000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Winyah Bay Channel LB 4 (LLNR 1885) will have the bell permanently removed.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.12033,33.19367]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.12033,"DECIMAL_LATITUDE":33.19367,"AID_UID":200100023518,"AID_NAME":"Winyah Bay Channel Lighted Bell Buoy 4","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":1885,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":766,"geometry":{"type":"Point","coordinates":[-79.81024999999994,32.724140000000034]},"properties":{"ESRI_OID":766,"MSI_UID":766,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Charleston Harbor/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384333,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar","WATERWAY_NAME":"Charleston Harbor","CREATE_DATE":1727365804000,"MODIFIED_DATE":1749576490000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Charleston Harbor Channel LB 18 (LLNR 2420) will have the bell permanently removed.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.81025,32.72414]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.81025,"DECIMAL_LATITUDE":32.72414,"AID_UID":200100023415,"AID_NAME":"Charleston Harbor Channel Lighted Bell Buoy 18","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":2420,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":767,"geometry":{"type":"Point","coordinates":[-79.84461999999996,32.74051000000003]},"properties":{"ESRI_OID":767,"MSI_UID":767,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Charleston Harbor/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384333,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar","WATERWAY_NAME":"Charleston Harbor","CREATE_DATE":1727366220000,"MODIFIED_DATE":1749576478000,"BEGIN_DATE":1727308800000,"END_DATE":1883260799000,"DESCRIPTION":"Charleston Harbor Channel LB 22 (LLNR 2440) will have the bell permanently removed.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.84462,32.74051]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.84461999999999,"DECIMAL_LATITUDE":32.74051,"AID_UID":200100023356,"AID_NAME":"Charleston Harbor Channel Lighted Bell Buoy 22","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":2440,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":780,"geometry":{"type":"Point","coordinates":[-81.42901999999998,30.954080000000033]},"properties":{"ESRI_OID":780,"MSI_UID":780,"ATU":7,"TITLE":"St Andrew Sound - Cumberland River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384235,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:standsou:cumriv","WATERWAY_NAME":"Cumberland River","CREATE_DATE":1727368603000,"MODIFIED_DATE":1749576415000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Cumberland River LT 35 (LLNR 37405) will be relocated due to the water depth at current location being too deep for CG assets to effect repairs. The aid will be relocated approximately 453 yards south of its current location in a depth of 15 feet. This change will ensure safe navigation and keep the same alignment with the surrounding aids in the Cumberland River. Cumberland River LT 35 (LLNR 37405) will be relocated to approximate position 30-57-14.700N/081-25-44.460W.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.42902,30.95408]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.42902,"DECIMAL_LATITUDE":30.954079999999998,"AID_UID":200100019169,"AID_NAME":"Cumberland River Light 35","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":37405,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":781,"geometry":{"type":"Point","coordinates":[-81.44590999999997,30.379000000000076]},"properties":{"ESRI_OID":781,"MSI_UID":781,"ATU":7,"TITLE":"St Johns River - Sherman Cut/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383449,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:shecut","WATERWAY_NAME":"Sherman Cut","CREATE_DATE":1727368700000,"MODIFIED_DATE":1749576397000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Sherman Cut RFL (LLNR 7235) will be relocated to approximate position: 30-22-44.220N/081-26-46.188W to align with the newly dredged channel.\n\nIn addition, Sherman Cut RFL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.44591,30.379]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.44591,"DECIMAL_LATITUDE":30.379,"AID_UID":200100022417,"AID_NAME":"Sherman Cut Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7235,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":783,"geometry":{"type":"Point","coordinates":[-81.44860999999997,30.376360000000034]},"properties":{"ESRI_OID":783,"MSI_UID":783,"ATU":7,"TITLE":"St Johns River - Sherman Cut/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383449,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:shecut","WATERWAY_NAME":"Sherman Cut","CREATE_DATE":1727368769000,"MODIFIED_DATE":1749576385000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Sherman Cut RRL (LLNR 7240) will be relocated to approximate position: 30-22-26.194N/081-27-03.893W to align with the newly dredged channel.\n\nIn addition Sherman Cut RRL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.44861,30.37636]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.44861,"DECIMAL_LATITUDE":30.37636,"AID_UID":200100022418,"AID_NAME":"Sherman Cut Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7240,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":784,"geometry":{"type":"Point","coordinates":[-81.48020999999994,30.393340000000023]},"properties":{"ESRI_OID":784,"MSI_UID":784,"ATU":7,"TITLE":"St Johns River - White Shells Cut/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383453,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:whishecut","WATERWAY_NAME":"White Shells Cut","CREATE_DATE":1727368953000,"MODIFIED_DATE":1749576378000,"BEGIN_DATE":1727308800000,"END_DATE":1883174399000,"DESCRIPTION":"White Shells Cut LB 27 (LLNR 7315) will be permanently relocated to 30-23-36.040N/081-28-48.780W.\n\nThis change calls to relocate (6) lighted buoys in the White Shells, St. Johns Bluff, Fulton Cutoff, and Blount Island Turning Basin channels of the St. Johns River. These relocations are needed as a result of channel deepening and widening, as part of the JaxPort expansion project. The position changes will allow safe navigation for vessels transiting the St. Johns River. The following aids to navigation are being proposed to be relocated to facilitate this change. All positions listed are approximate. Permanent positions will be advertised when the work is completed.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.48021,30.39334]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.48021,"DECIMAL_LATITUDE":30.39334,"AID_UID":200100022365,"AID_NAME":"White Shells Cut Lighted Buoy 27","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7315,"COLOR":"G","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":785,"geometry":{"type":"Point","coordinates":[-81.48492999999996,30.392490000000066]},"properties":{"ESRI_OID":785,"MSI_UID":785,"ATU":7,"TITLE":"St Johns River - White Shells Cut/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383453,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:whishecut","WATERWAY_NAME":"White Shells Cut","CREATE_DATE":1727369040000,"MODIFIED_DATE":1749576370000,"BEGIN_DATE":1727308800000,"END_DATE":1883433599000,"DESCRIPTION":"White Shells Cut LB 29 (LLNR 7316) will be permanently relocated to 30-23-32.900N/081-29-05.750W.\n\nThis change calls to relocate (6) lighted buoys in the White Shells, St. Johns Bluff, Fulton Cutoff, and Blount Island Turning Basin channels of the St. Johns River. These relocations are needed as a result of channel deepening and widening, as part of the JaxPort expansion project. The position changes will allow safe navigation for vessels transiting the St. Johns River. The following aids to navigation are being proposed to be relocated to facilitate this change. All positions listed are approximate. Permanent positions will be advertised when the work is completed.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.48493,30.39249]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.48492999999999,"DECIMAL_LATITUDE":30.39249,"AID_UID":100119270761,"AID_NAME":"White Shells Cut Lighted Buoy 29","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7316,"COLOR":"G","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":786,"geometry":{"type":"Point","coordinates":[-81.49158999999997,30.392210000000034]},"properties":{"ESRI_OID":786,"MSI_UID":786,"ATU":7,"TITLE":"Sector Jacksonville, Submerged Land Act (SLA) - St Johns River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383441,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv","WATERWAY_NAME":"St Johns River","CREATE_DATE":1727369121000,"MODIFIED_DATE":1749576352000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"St. Johns Bluff LB 30 (LLNR 7329) will be permanently relocated to 30-23-32.020N/081-29-29.730W.\n\nThis change calls to relocate (6) lighted buoys in the White Shells, St. Johns Bluff, Fulton Cutoff, and Blount Island Turning Basin channels of the St. Johns River. These relocations are needed as a result of channel deepening and widening, as part of the JaxPort expansion project. The position changes will allow safe navigation for vessels transiting the St. Johns River. The following aids to navigation are being proposed to be relocated to facilitate this change. All positions listed are approximate. Permanent positions will be advertised when the work is completed.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.49159,30.39221]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.49159,"DECIMAL_LATITUDE":30.39221,"AID_UID":682400000680,"AID_NAME":"St Johns Bluff Lighted Buoy 30","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7329,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":787,"geometry":{"type":"Point","coordinates":[-81.50616999999994,30.39005000000003]},"properties":{"ESRI_OID":787,"MSI_UID":787,"ATU":7,"TITLE":"St Johns River - Fulton Cutoff/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383452,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:fulcut","WATERWAY_NAME":"Fulton Cutoff","CREATE_DATE":1727369228000,"MODIFIED_DATE":1749576334000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Fulton Cutoff LB 35 (LLNR 7345) will be permanently relocated to 30-23-24.090N/081-30-22.230W.\n\nThis change calls to relocate (6) lighted buoys in the White Shells, St. Johns Bluff, Fulton Cutoff, and Blount Island Turning Basin channels of the St. Johns River. These relocations are needed as a result of channel deepening and widening, as part of the JaxPort expansion project. The position changes will allow safe navigation for vessels transiting the St. Johns River. The following aids to navigation are being proposed to be relocated to facilitate this change. All positions listed are approximate. Permanent positions will be advertised when the work is completed.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.50617,30.39005]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.50617,"DECIMAL_LATITUDE":30.39005,"AID_UID":200100022375,"AID_NAME":"Fulton Cutoff Lighted Buoy 35","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7345,"COLOR":"G","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":789,"geometry":{"type":"Point","coordinates":[-81.53482999999994,30.38707000000005]},"properties":{"ESRI_OID":789,"MSI_UID":789,"ATU":7,"TITLE":"St Johns River - Fulton Cutoff/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383452,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:fulcut","WATERWAY_NAME":"Fulton Cutoff","CREATE_DATE":1727369325000,"MODIFIED_DATE":1749576325000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Blount Island Turning Basin LB 43 (LLNR 7385) will be permanently relocated to 30-23-13.450N/081-32-05.380W. The flash characteristic will remain\na Fl G 6s, but the nominal range will be reduced from 5NM to 4NM.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.53483,30.38707]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.53483,"DECIMAL_LATITUDE":30.387069999999998,"AID_UID":200100022383,"AID_NAME":"Blount Island Turning Basin Lighted Buoy 43","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7385,"COLOR":"G","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":790,"geometry":{"type":"Point","coordinates":[-81.54329999999999,30.385640000000024]},"properties":{"ESRI_OID":790,"MSI_UID":790,"ATU":7,"TITLE":"Fulton Cutoff - Blount Island/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383445,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:fulcut:bloisl","WATERWAY_NAME":"Blount Island","CREATE_DATE":1727369397000,"MODIFIED_DATE":1749576316000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Blount Island Turning Basin LB 45 (LLNR 7395) will be permanently relocated to 30-23-08.280N/081-32-35.920W. The flash characteristic will remain\na FL G 4s, but the nominal range will be reduced from 5NM to 4NM.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.5433,30.38564]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.5433,"DECIMAL_LATITUDE":30.38564,"AID_UID":682400000643,"AID_NAME":"Blount Island Turning Basin Lighted Buoy 45","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7395,"COLOR":null,"DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":791,"geometry":{"type":"Point","coordinates":[-81.45293999999996,30.378850000000057]},"properties":{"ESRI_OID":791,"MSI_UID":791,"ATU":7,"TITLE":"St Johns River - Mile Point/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383446,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:milpoi","WATERWAY_NAME":"Mile Point","CREATE_DATE":1727369455000,"MODIFIED_DATE":1749576307000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Mile Point Lower RFL (LLNR 7260) will be relocated to approximate position: 30-22-44.551N/081-27-11.480W to align with the newly dredged\nchannel.\n\nIn addition, both Mile Point Lower RFL and Mile Point Lower RRL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.45294,30.37885]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.45294,"DECIMAL_LATITUDE":30.37885,"AID_UID":200100022428,"AID_NAME":"Mile Point Lower Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7260,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":792,"geometry":{"type":"Point","coordinates":[-81.45393999999999,30.378450000000043]},"properties":{"ESRI_OID":792,"MSI_UID":792,"ATU":7,"TITLE":"St Johns River - Mile Point/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383446,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:milpoi","WATERWAY_NAME":"Mile Point","CREATE_DATE":1727369513000,"MODIFIED_DATE":1749576298000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Mile Point Lower RRL (LLNR 7265) will be relocated to approximate position: 30-22-43.316N/081-27-14.558W to align with the newly dredged\nchannel.\n\nIn addition, both Mile Point Lower RFL and Mile Point Lower RRL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.45394,30.37845]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.45394,"DECIMAL_LATITUDE":30.378449999999997,"AID_UID":200100108872,"AID_NAME":"Mile Point Lower Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7265,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":793,"geometry":{"type":"Point","coordinates":[-81.45293999999996,30.378850000000057]},"properties":{"ESRI_OID":793,"MSI_UID":793,"ATU":7,"TITLE":"St Johns River - Mile Point/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383446,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:milpoi","WATERWAY_NAME":"Mile Point","CREATE_DATE":1727369650000,"MODIFIED_DATE":1749576286000,"BEGIN_DATE":1727308800000,"END_DATE":1882915199000,"DESCRIPTION":"Mile Point Upper RFL (LLNR 7287) will be relocated to approximate position: 30-22-44.266N/081-27-12.139W to align with the newly dredged channel.\n\nIn addition, both Mile Point Upper RFL and Mile Point Upper RRL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.45294,30.37885]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.45294,"DECIMAL_LATITUDE":30.37885,"AID_UID":200100016120,"AID_NAME":"Mile Point Upper Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7287,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":794,"geometry":{"type":"Point","coordinates":[-81.44931999999994,30.376270000000034]},"properties":{"ESRI_OID":794,"MSI_UID":794,"ATU":7,"TITLE":"St Johns River - Mile Point/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383446,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:milpoi","WATERWAY_NAME":"Mile Point","CREATE_DATE":1727369726000,"MODIFIED_DATE":1749576275000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Mile Point Upper RRL (LLNR 7290) will be relocated to approximate position: 30-22-34.772N/081-26-58.725W to align with the newly dredged channel.\n\nIn addition, both Mile Point Upper RFL and Mile Point Upper RRL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.44932,30.37627]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.44932,"DECIMAL_LATITUDE":30.376269999999998,"AID_UID":200100022436,"AID_NAME":"Mile Point Upper Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7290,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":795,"geometry":{"type":"Point","coordinates":[-81.47740999999996,30.396280000000047]},"properties":{"ESRI_OID":795,"MSI_UID":795,"ATU":7,"TITLE":"Sector Jacksonville, Submerged Land Act (SLA) - St Johns River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383441,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv","WATERWAY_NAME":"St Johns River","CREATE_DATE":1727369830000,"MODIFIED_DATE":1749576266000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Training Wall RFL (LLNR 7295) will be relocated to approximate position: 30-23-48.120N/081-28-41.707W to align with the newly dredged channel.\n\nIn addition, both Training Wall RFL and Training Wall RRL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.47741,30.39628]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.47740999999999,"DECIMAL_LATITUDE":30.396279999999997,"AID_UID":200100022437,"AID_NAME":"Training Wall Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7295,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":796,"geometry":{"type":"Point","coordinates":[-81.48181999999997,30.399420000000077]},"properties":{"ESRI_OID":796,"MSI_UID":796,"ATU":7,"TITLE":"Sector Jacksonville, Submerged Land Act (SLA) - St Johns River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383441,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv","WATERWAY_NAME":"St Johns River","CREATE_DATE":1727369882000,"MODIFIED_DATE":1749576256000,"BEGIN_DATE":1727308800000,"END_DATE":1882483199000,"DESCRIPTION":"Training Wall RRL (LLNR 7300) will be relocated to approximate position: 30-23-57.479N/081-28-54.848W to align with the newly dredged channel.\n\nIn addition, both Training Wall RFL and Training Wall RRL will be changed to a 24-hour optic. All day marks will be permanently discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.48182,30.39942]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.48182,"DECIMAL_LATITUDE":30.39942,"AID_UID":200100022438,"AID_NAME":"Training Wall Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7300,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":797,"geometry":{"type":"Point","coordinates":[-81.59394999999995,30.412090000000035]},"properties":{"ESRI_OID":797,"MSI_UID":797,"ATU":7,"TITLE":"St Johns River - Drummond Creek/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383450,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv:drucre","WATERWAY_NAME":"Drummond Creek","CREATE_DATE":1727369988000,"MODIFIED_DATE":1749576234000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Drummond Creek RFL (LLNR 7515) will be permanently relocated to approximate position 30-24-45.104N / 081-35-35.319W. The RFL will remain a nighttime optic only and flash characteristic will remain as a Q R. The RFL will continue to display daymarks for the day-time signal.\n\nBoth Drummond Creek RFL and RRL will be upgraded with LED light signals to provide a much more reliable signal when using this channel.\nAn additional light will be established and mounted on top of the Drummond Creek RFL optic and synchronized with the RFL to display a Q R flash characteristics during nighttime hours only, with a nominal range of 3NM.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.59395,30.41209]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.59394999999999,"DECIMAL_LATITUDE":30.41209,"AID_UID":200100022338,"AID_NAME":"Drummond Creek Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7515,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":798,"geometry":{"type":"Point","coordinates":[-81.80636999999996,24.538100000000043]},"properties":{"ESRI_OID":798,"MSI_UID":798,"ATU":7,"TITLE":"Sector Key West, Territorial Sea - Sector Key West, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383205,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1727370059000,"MODIFIED_DATE":1749576221000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Key West Main Channel Range Front Light (LLNR 14815) will be relocated to approximate position 24-32-17.396N/081-48-22.958W. The RFL will be\nchanged to a day/night optic, continuing to display a Q G flash characteristic for a 24hr continuous cycle. The daymarks will be discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.80637,24.5381]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.80637,"DECIMAL_LATITUDE":24.5381,"AID_UID":200100021633,"AID_NAME":"Key West Main Channel Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":14815,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":799,"geometry":{"type":"Point","coordinates":[-81.80715999999995,24.54898000000003]},"properties":{"ESRI_OID":799,"MSI_UID":799,"ATU":7,"TITLE":"Sector Key West, Territorial Sea - Sector Key West, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383205,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1727370128000,"MODIFIED_DATE":1749576206000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Key West Main Channel Range Rear Light (LLNR 14820) will be changed to a day/night optic, continuing to display an ISO G 6s flash characteristic for a 24hr continuous cycle. The daymarks will be discontinued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.80716,24.54898]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.80716,"DECIMAL_LATITUDE":24.54898,"AID_UID":200100021634,"AID_NAME":"Key West Main Channel Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":14820,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":805,"geometry":{"type":"Point","coordinates":[-80.21314999999998,27.204950000000053]},"properties":{"ESRI_OID":805,"MSI_UID":805,"ATU":7,"TITLE":"St Lucie Inlet - St Lucie River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384044,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secmiaexcecozon:secmiatersea:secmiasublanact:stlucinl:stlucriv","WATERWAY_NAME":"St Lucie River","CREATE_DATE":1727371604000,"MODIFIED_DATE":1749576193000,"BEGIN_DATE":1727308800000,"END_DATE":1883779199000,"DESCRIPTION":"Woods Point Daybeacon 1 (LLNR 50760) will be changed to Woods Point Buoy 1 (LLNR 50760). This change will give mariners a more reliable\nsignal when transiting this channel.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.21315,27.20495]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.21315,"DECIMAL_LATITUDE":27.20495,"AID_UID":200100017710,"AID_NAME":"Woods Point Daybeacon 1","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":50760,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":5237,"geometry":{"type":"Point","coordinates":[-82.43822999999998,27.907970000000034]},"properties":{"ESRI_OID":5237,"MSI_UID":5237,"ATU":7,"TITLE":"Big Bend Channel - Hillsborough Cut C Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383355,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secsaipetexcecozon:secsaipettersea:secsaipetsublanact:mulkeycha:tambaycutfcha:gadpoicut:bigbencha:hilcutccha","WATERWAY_NAME":"Hillsborough Cut C Channel","CREATE_DATE":1731686464000,"MODIFIED_DATE":1749576175000,"BEGIN_DATE":1731628800000,"END_DATE":1887235199000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n27.90797° N / 82.43823° W\n\nAid Name: Hillsborough Cut C Channel Inbound Range Front Light\nLLNR: 23435\n\nAction: CHANGE\nAction Type Change Light Characteristic\n\nHillsborough Cut C Channel Inbound Range Front Light (LLNR 23435) characteristic will change to Iso W 2s (NIGHT) and Iso W 2s (Day).","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.43823,27.90797]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.43822999999999,"DECIMAL_LATITUDE":27.90797,"AID_UID":200100020933,"AID_NAME":"Hillsborough Cut C Channel Inbound Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":23435,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":5949,"geometry":{"type":"Point","coordinates":[-80.83042999999998,32.14990000000006]},"properties":{"ESRI_OID":5949,"MSI_UID":5949,"ATU":7,"TITLE":"Calibogue Sound Entrance - Calibogue Sound/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384283,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:calsouent:calsou","WATERWAY_NAME":"Calibogue Sound","CREATE_DATE":1732548548000,"MODIFIED_DATE":1749576124000,"BEGIN_DATE":1732492800000,"END_DATE":1888099199000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n32.1499° N / 80.83043° W\n\nAid Name: Calibogue Sound Light 32\nLLNR: 35800\n\nAction: CHANGE\nAction Type Change Light Characteristic\n\nThe following change has been approved to the Aid to Navigation system in the Intracoastal Waterway Calibogue Sound, part of the Intracoastal Waterway (ICW).\n\nThe nominal range permanently reduced from 5NM to 4NM. The current nominal range of 5NM is not necessary. Based on the design of the Short-Range Aids System (SRA), mariners should be able to see two lighted aids to navigation forward of the aid from which they are alongside. Based on this data, a nominal range of 4NM is more than adequate.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.83043,32.1499]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.83042999999999,"DECIMAL_LATITUDE":32.1499,"AID_UID":200100019413,"AID_NAME":"Calibogue Sound Light 32","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":35800,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":5952,"geometry":{"type":"Point","coordinates":[-81.07604999999995,31.871950000000027]},"properties":{"ESRI_OID":5952,"MSI_UID":5952,"ATU":7,"TITLE":"Ossabaw Sound - Vernon River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384265,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:osssou:verriv","WATERWAY_NAME":"Vernon River","CREATE_DATE":1732548852000,"MODIFIED_DATE":1749576089000,"BEGIN_DATE":1732492800000,"END_DATE":1888099199000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n31.87195° N / 81.07605° W\n\nAid Name: Vernon River Light Wreck 86\nLLNR: 36260\n\nAction: CHANGE\nAction Type Change Light Characteristic\n\nThe following change has been approved to the Aid to Navigation system in the Intracoastal Waterway the Vernon River, part of the Intracoastal Waterway (ICW).\n\nThe nominal range permanently reduced from 5NM to 4NM. The current nominal range of 5NM is not necessary. Based on the design of the Short-Range Aids System (SRA), mariners should be able to see two lighted aids to navigation forward of the aid from which they are alongside. Based on this data, a nominal range of 4NM is more than adequate.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.07605,31.87195]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.07605,"DECIMAL_LATITUDE":31.87195,"AID_UID":200100019319,"AID_NAME":"Vernon River Light Wreck 86","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":36260,"COLOR":null,"DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":6766,"geometry":{"type":"Point","coordinates":[-82.43695999999994,27.92022000000003]},"properties":{"ESRI_OID":6766,"MSI_UID":6766,"ATU":7,"TITLE":"Big Bend Channel - Hillsborough Cut C Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383355,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secsaipetexcecozon:secsaipettersea:secsaipetsublanact:mulkeycha:tambaycutfcha:gadpoicut:bigbencha:hilcutccha","WATERWAY_NAME":"Hillsborough Cut C Channel","CREATE_DATE":1733501666000,"MODIFIED_DATE":1749576064000,"BEGIN_DATE":1733443200000,"END_DATE":1888617599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n27.92022° N / 82.43696° W\n\nAid Name: Hillsborough Cut C Channel Inbound Range Rear Light\nLLNR: 23440\n\nAction: CHANGE\nAction Type Change Light Characteristic\n\nHillsborough Cut C Channel Inbound Range Rear Light (LLNR 23440) characteristic will change to Iso W 6s (NIGHT) and Iso W 6s (Day).","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.43696,27.92022]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.43696,"DECIMAL_LATITUDE":27.92022,"AID_UID":200100020860,"AID_NAME":"Hillsborough Cut C Channel Inbound Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":23440,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":11339,"geometry":{"type":"Point","coordinates":[-81.25631999999996,31.04263000000003]},"properties":{"ESRI_OID":11339,"MSI_UID":11339,"ATU":7,"TITLE":"Sector Charleston, Exclusive Economic Zone (EEZ) - Sector Charleston, Territorial Sea/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384325,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea","WATERWAY_NAME":"Sector Charleston, Territorial Sea","CREATE_DATE":1739390450000,"MODIFIED_DATE":1749575980000,"BEGIN_DATE":1739318400000,"END_DATE":1895788799000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n31.04263° N / 81.25632° W\n\nAid Name: Brunswick Spoil Area Lighted Buoy C\nLLNR: 518\n\nAction: RENAME\n\nBrunswick Spoil Area Lighted Buoy C (LLNR 518) will be changed to Brunswick Spoil Area Lighted Buoy D (LLNR 518). \n\nThe name change is to alleviate confusion when the Brunswick Pilots instruct commercial vessels to rendezvous with the pilot boat at the “Sea Buoy” (St Simons Sound Lighted Buoy STS). The similarity in names between the two aids has caused confusion amongst mariners. With the Brunswick Spoil Area Lighted Buoy C marking a shoal, this confusion could lead to a potential grounding. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.25632,31.04263]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.25632,"DECIMAL_LATITUDE":31.04263,"AID_UID":709000008226,"AID_NAME":"Brunswick Spoil Area Lighted Buoy C","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":518,"COLOR":"Y","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":12691,"geometry":{"type":"Point","coordinates":[-81.81439999999998,24.560430000000053]},"properties":{"ESRI_OID":12691,"MSI_UID":12691,"ATU":7,"TITLE":"Sector Key West, Territorial Sea - Sector Key West, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383205,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1741113496000,"MODIFIED_DATE":1749575958000,"BEGIN_DATE":1741046400000,"END_DATE":1897516799000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n24.56043° N / 81.8144° W\n\nAid Name: Key West Main Channel Cut B Range Front Light\nLLNR: 14870\n\nAction: CHANGE\nAction Type Change Structure\n\nThe U.S. Coast Guard has approved the following change to the Aids to Navigation System in the Key West Main Channel:  \n\nKey West Main Channel Cut B Range Front Light (LLNR 14870) will be rebuilt at a new focal height of 40 feet. All other characteristics will remain the same. \n\nKey West Main Channel Cut B Range Rear Light (LLNR 14875) will be rebuilt at a new focal height of 65 feet. All other characteristics will remain the same. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.8144,24.56043]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.8144,"DECIMAL_LATITUDE":24.56043,"AID_UID":200100021587,"AID_NAME":"Key West Main Channel Cut B Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":14870,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":12692,"geometry":{"type":"Point","coordinates":[-81.81426999999996,24.56290000000007]},"properties":{"ESRI_OID":12692,"MSI_UID":12692,"ATU":7,"TITLE":"Sector Key West, Territorial Sea - Sector Key West, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383205,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1741113593000,"MODIFIED_DATE":1749575944000,"BEGIN_DATE":1741046400000,"END_DATE":1897257599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n24.5629° N / 81.81427° W\n\nAid Name: Key West Main Channel Cut B Range Rear Light\nLLNR: 14875\n\nAction: CHANGE\nAction Type Change Structure\n\nThe U.S. Coast Guard has approved the following change to the Aids to Navigation System in the Key West Main Channel:  \n\nKey West Main Channel Cut B Range Front Light (LLNR 14870) will be rebuilt at a new focal height of 40 feet. All other characteristics will remain the same. \n\nKey West Main Channel Cut B Range Rear Light (LLNR 14875) will be rebuilt at a new focal height of 65 feet. All other characteristics will remain the same. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.81427,24.5629]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.81427,"DECIMAL_LATITUDE":24.562900000000003,"AID_UID":200100021588,"AID_NAME":"Key West Main Channel Cut B Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":14875,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":13273,"geometry":{"type":"Point","coordinates":[-81.03487999999999,31.861960000000067]},"properties":{"ESRI_OID":13273,"MSI_UID":13273,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Ossabaw Sound/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383706,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:osssou","WATERWAY_NAME":"Ossabaw Sound","CREATE_DATE":1741788406000,"MODIFIED_DATE":1749575926000,"BEGIN_DATE":1741737600000,"END_DATE":1898207999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n31.86196° N / 81.03488° W\n\nAid Name: Ossabaw Sound North Channel Daybeacon 10\nLLNR: 5760\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following change to the Aids to Navigation System in Ossabaw Sound.\n\nOssabaw Sound North Channel DBN 10 (LLNR 5760) will be changed to Ossabaw Sound North Channel Buoy 10, using the same LLNR.\n\nOssabaw Sound North Channel DBN 12 (LLNR 5770) will be changed to Ossabaw Sound North Channel Buoy 12, using the same LLNR.\n\nOssabaw Sound South Channel DBN 5 (LLNR 5780) will be changed to Ossabaw Sound South Channel Buoy 5, using the same LLNR.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.03488,31.86196]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.03488,"DECIMAL_LATITUDE":31.86196,"AID_UID":200100016588,"AID_NAME":"Ossabaw Sound North Channel Daybeacon 10","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":5760,"COLOR":"R","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":13275,"geometry":{"type":"Point","coordinates":[-81.05730999999997,31.864500000000078]},"properties":{"ESRI_OID":13275,"MSI_UID":13275,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Ossabaw Sound/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383706,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:osssou","WATERWAY_NAME":"Ossabaw Sound","CREATE_DATE":1741788504000,"MODIFIED_DATE":1749575911000,"BEGIN_DATE":1741737600000,"END_DATE":1898207999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n31.8645° N / 81.05731° W\n\nAid Name: Ossabaw Sound North Channel Daybeacon 12\nLLNR: 5770\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following change to the Aids to Navigation System in Ossabaw Sound.\n\nOssabaw Sound North Channel DBN 10 (LLNR 5760) will be changed to Ossabaw Sound North Channel Buoy 10, using the same LLNR.\n\nOssabaw Sound North Channel DBN 12 (LLNR 5770) will be changed to Ossabaw Sound North Channel Buoy 12, using the same LLNR.\n\nOssabaw Sound South Channel DBN 5 (LLNR 5780) will be changed to Ossabaw Sound South Channel Buoy 5, using the same LLNR.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.05731,31.8645]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.05731,"DECIMAL_LATITUDE":31.864500000000003,"AID_UID":200100016590,"AID_NAME":"Ossabaw Sound North Channel Daybeacon 12","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":5770,"COLOR":"R","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":13277,"geometry":{"type":"Point","coordinates":[-81.03358999999995,31.821210000000065]},"properties":{"ESRI_OID":13277,"MSI_UID":13277,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Ossabaw Sound/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383706,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:osssou","WATERWAY_NAME":"Ossabaw Sound","CREATE_DATE":1741788586000,"MODIFIED_DATE":1749575886000,"BEGIN_DATE":1741737600000,"END_DATE":1898207999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-03-12 To: 2026-09-08\n\nLocation:\n31.82121° N / 81.03359° W\n\nAid Name: Ossabaw Sound South Channel Daybeacon 5\nLLNR: 5780\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following change to the Aids to Navigation System in Ossabaw Sound.\n\nOssabaw Sound North Channel DBN 10 (LLNR 5760) will be changed to Ossabaw Sound North Channel Buoy 10, using the same LLNR.\n\nOssabaw Sound North Channel DBN 12 (LLNR 5770) will be changed to Ossabaw Sound North Channel Buoy 12, using the same LLNR.\n\nOssabaw Sound South Channel DBN 5 (LLNR 5780) will be changed to Ossabaw Sound South Channel Buoy 5, using the same LLNR.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.03359,31.82121]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.03358999999999,"DECIMAL_LATITUDE":31.821209999999997,"AID_UID":200100022793,"AID_NAME":"Ossabaw Sound South Channel Daybeacon 5","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":5780,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":15493,"geometry":{"type":"Point","coordinates":[-81.79982999999999,24.57937000000004]},"properties":{"ESRI_OID":15493,"MSI_UID":15493,"ATU":7,"TITLE":"Sector Key West, Territorial Sea - Sector Key West, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383205,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1744034718000,"MODIFIED_DATE":1749575841000,"BEGIN_DATE":1743984000000,"END_DATE":1900454399000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n24.57937° N / 81.79983° W\n\nAid Name: Key West Harbor Range Front Light\nLLNR: 14900\n\nAction: CHANGE\nAction Type Change Light Signals\n\nThe U.S. Coast Guard has approved the following change to the Aids to Navigation System in the Key West Main Channel:  \n\nKey West Harbor Range Front Light (LLNR 14900) will be changed to a day/night optic, continuing to display Q W flash characteristic for a 24hr continuous cycle. The daymarks will be discontinued. \n\nKey West Harbor Range Rear Light (LLNR 14905) will be rebuilt to a focal height of 46 feet and changed to a day/night optic, continuing to display ISO W 6s flash characteristic for a 24hr continuous cycle. The daymarks will be discontinued. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.79983,24.57937]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.79983,"DECIMAL_LATITUDE":24.579369999999997,"AID_UID":200100021598,"AID_NAME":"Key West Harbor Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":14900,"COLOR":null,"DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":15494,"geometry":{"type":"Point","coordinates":[-81.79694999999998,24.58519000000007]},"properties":{"ESRI_OID":15494,"MSI_UID":15494,"ATU":7,"TITLE":"Sector Key West, Territorial Sea - Sector Key West, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383205,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1744034862000,"MODIFIED_DATE":1749575803000,"BEGIN_DATE":1743984000000,"END_DATE":1900454399000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n24.58519° N / 81.79695° W\n\nAid Name: Key West Harbor Range Rear Light\nLLNR: 14905\n\nAction: CHANGE\nAction Type Change Light Signals\n\nThe U.S. Coast Guard has approved the following change to the Aids to Navigation System in the Key West Main Channel:  \n\nKey West Harbor Range Front Light (LLNR 14900) will be changed to a day/night optic, continuing to display Q W flash characteristic for a 24hr continuous cycle. The daymarks will be discontinued. \n\nKey West Harbor Range Rear Light (LLNR 14905) will be rebuilt to a focal height of 46 feet and changed to a day/night optic, continuing to display ISO W 6s flash characteristic for a 24hr continuous cycle. The daymarks will be discontinued. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.79695,24.58519]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.79695,"DECIMAL_LATITUDE":24.585189999999997,"AID_UID":200100111394,"AID_NAME":"Key West Harbor Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":14905,"COLOR":null,"DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":15767,"geometry":{"type":"Point","coordinates":[-74.57555999999994,38.780290000000036]},"properties":{"ESRI_OID":15767,"MSI_UID":15767,"ATU":5,"TITLE":"Sector Delaware Bay, Exclusive Economic Zone (EEZ)  - Sector Delaware Bay, Terrorial Sea/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383158,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secdelbayexcecozon:secdelbaytersea","WATERWAY_NAME":"Sector Delaware Bay, Terrorial Sea","CREATE_DATE":1744217570000,"MODIFIED_DATE":1757945763000,"BEGIN_DATE":1744329600000,"END_DATE":1778889599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-04-11 To: 2026-05-15\n\nLocation:\n38.78029° N / 74.57556° W\n\nAid Name: Five Fathom Bank Lighted Buoy F\nLLNR: 120\n\nAction: CHANGE\n\nThe Coast Guard will reduce the buoy size of\nFive Fathom Bank Lighted Buoy F (LLNR 120).\nThe smaller buoy will reduce radar range from 4 NM to 3.7 NM and nominal range from 3.8NM to 3.2NM. This change will allow the Coast Guard to service the aids with multiple assets, resulting in quicker corrections of discrepancies.\nChange will be made in conjunction with routine aid servicing.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.57556,38.78029]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.57556,"DECIMAL_LATITUDE":38.78029,"AID_UID":200100293073,"AID_NAME":"Five Fathom Bank Lighted Buoy F","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":120,"COLOR":"Y","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":15769,"geometry":{"type":"Point","coordinates":[-74.69627999999994,38.45512000000008]},"properties":{"ESRI_OID":15769,"MSI_UID":15769,"ATU":5,"TITLE":"Sector Delaware Bay, Exclusive Economic Zone (EEZ)  - Sector Delaware Bay, Terrorial Sea/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383158,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secdelbayexcecozon:secdelbaytersea","WATERWAY_NAME":"Sector Delaware Bay, Terrorial Sea","CREATE_DATE":1744217718000,"MODIFIED_DATE":1757945672000,"BEGIN_DATE":1744329600000,"END_DATE":1778889599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-04-11 To: 2025-10-06\n\nLocation:\n38.45512° N / 74.69628° W\n\nAid Name: Delaware Lighted Buoy D\nLLNR: 165\n\nAction: CHANGE\n\nThe Coast Guard will reduce the buoy size of\nDelaware Lighted Buoy D (LLNR 165).\nThe smaller buoy will reduce radar range from 4 NM to 3.7 NM and nominal range from 3.8NM to 3.2NM. This change will allow the Coast Guard to service the aids with multiple assets, resulting in quicker corrections of discrepancies.\nChange will be made in conjunction with routine aid servicing.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.69628,38.45512]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.69628,"DECIMAL_LATITUDE":38.45512,"AID_UID":200100293008,"AID_NAME":"Delaware Lighted Buoy D","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":165,"COLOR":"Y","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":15770,"geometry":{"type":"Point","coordinates":[-75.76000999999997,36.81660000000005]},"properties":{"ESRI_OID":15770,"MSI_UID":15770,"ATU":5,"TITLE":"Sector Virginia, Exclusive Economic Zone (EEZ) - Sector Virginia, Territorial Sea/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383169,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea","WATERWAY_NAME":"Sector Virginia, Territorial Sea","CREATE_DATE":1744217829000,"MODIFIED_DATE":1757945841000,"BEGIN_DATE":1744329600000,"END_DATE":1778889599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-04-11 To: 2026-05-16\n\nLocation:\n36.8166° N / 75.76001° W\n\nAid Name: Chesapeake Bay Southern Approach Lighted Whistle Buoy CB\nLLNR: 410\n\nAction: CHANGE\n\nThe Coast Guard will reduce the buoy size of\nChesapeake Bay Southern Approach Lighted Whistle Buoy CB (LLNR 410).\nThe smaller buoy will reduce radar range from 4 NM to 3.7 NM and nominal range from 3.8NM to 3.2NM. This change will allow the Coast Guard to service the aids with multiple assets, resulting in quicker corrections of discrepancies.\nChange will be made in conjunction with routine aid servicing.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-75.76001,36.8166]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-75.76001,"DECIMAL_LATITUDE":36.8166,"AID_UID":200100295149,"AID_NAME":"Chesapeake Bay Southern Approach Lighted Whistle Buoy CB","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":410,"COLOR":"RW","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":15992,"geometry":{"type":"Point","coordinates":[-80.22074999999995,32.695070000000044]},"properties":{"ESRI_OID":15992,"MSI_UID":15992,"ATU":7,"TITLE":"North Edisto River - Wadmalaw River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384300,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:norediriv:wadriv","WATERWAY_NAME":"Wadmalaw River","CREATE_DATE":1744383128000,"MODIFIED_DATE":1749575757000,"BEGIN_DATE":1744329600000,"END_DATE":1900799999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n32.69507° N / 80.22075° W\n\nAid Name: Wadmalaw River Daybeacon 87\nLLNR: 34890\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe following changes have been approved in the Wadmalaw River to improve aids to navigation reliability. \nWadmalaw River DBN 87 (LLNR 34890) and Wadmalaw River DBN 96 (LLNR 34920) will be changed to Wadmalaw River Buoy 87 (Same LLNR) and Wadmalaw River Buoy 96 (Same LLNR). \n\nBoth aids to navigation are currently destroyed and have a Temporary Unlighted Buoy on station. Both assigned positions are presenting depths of over 28 feet. This depth makes it impossible for a CG asset to rebuild the structures. Changing the aids to navigation from fixed to floating allows the CG primary servicing unit the flexibility to relocate the aid to mark safe water.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.22075,32.69507]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.22075,"DECIMAL_LATITUDE":32.69507,"AID_UID":200100019592,"AID_NAME":"Wadmalaw River Daybeacon 87","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":34890,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":15993,"geometry":{"type":"Point","coordinates":[-80.23955999999998,32.66553000000005]},"properties":{"ESRI_OID":15993,"MSI_UID":15993,"ATU":7,"TITLE":"North Edisto River - Wadmalaw River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384300,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:norediriv:wadriv","WATERWAY_NAME":"Wadmalaw River","CREATE_DATE":1744383266000,"MODIFIED_DATE":1749575742000,"BEGIN_DATE":1744329600000,"END_DATE":1900799999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n32.66553° N / 80.23956° W\n\nAid Name: Wadmalaw River Daybeacon 96\nLLNR: 34920\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe following changes have been approved in the Wadmalaw River to improve aids to navigation reliability. \nWadmalaw River DBN 87 (LLNR 34890) and Wadmalaw River DBN 96 (LLNR 34920) will be changed to Wadmalaw River Buoy 87 (Same LLNR) and Wadmalaw River Buoy 96 (Same LLNR). \n\nBoth aids to navigation are currently destroyed and have a Temporary Unlighted Buoy on station. Both assigned positions are presenting depths of over 28 feet. This depth makes it impossible for a CG asset to rebuild the structures. Changing the aids to navigation from fixed to floating allows the CG primary servicing unit the flexibility to relocate the aid to mark safe water.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.23956,32.66553]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.23956,"DECIMAL_LATITUDE":32.66553,"AID_UID":200100019542,"AID_NAME":"Wadmalaw River Daybeacon 96","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":34920,"COLOR":"R","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":18839,"geometry":{"type":"Point","coordinates":[-78.81956999999994,33.76374000000004]},"properties":{"ESRI_OID":18839,"MSI_UID":18839,"ATU":7,"TITLE":"Winyah Bay Channel - Little River Winyah Bay/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384275,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:winbaycha:litrivwinbay","WATERWAY_NAME":"Little River Winyah Bay","CREATE_DATE":1747316890000,"MODIFIED_DATE":1747316900000,"BEGIN_DATE":1747267200000,"END_DATE":1889135999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nLocation:\n33.76374° N / 78.81957° W\n\nAid Name: Little River-Winyah Bay Daybeacon 21B\nLLNR: 33705.5\n\nAction: RENAME\n\nLittle River-Winyah Bay DBN 21B (LLNR 33705.5) will be renamed Little River-Winyah Bay DBN 21C (LLNR 33705.5).\n\nEstablish Little River-Winyah Bay LT 21B (LLNR 33705.3) in approximate position 33-46-56.075N, 078-47-21.582W. The light will display a flash characteristic of Q G, with a nominal range of 4 nautical miles.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-78.81957,33.76374]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-78.81957,"DECIMAL_LATITUDE":33.76374,"AID_UID":200100016081,"AID_NAME":"Little River-Winyah Bay Daybeacon 21B","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":33705.5,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":19407,"geometry":{"type":"Point","coordinates":[-78.70573999999993,33.827540000000056]},"properties":{"ESRI_OID":19407,"MSI_UID":19407,"ATU":7,"TITLE":"Winyah Bay Channel - Little River Winyah Bay/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384275,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:winbaycha:litrivwinbay","WATERWAY_NAME":"Little River Winyah Bay","CREATE_DATE":1747874045000,"MODIFIED_DATE":1747874082000,"BEGIN_DATE":1747785600000,"END_DATE":1889654399000,"DESCRIPTION":"ATON/Advanced Notice of Change\n19407\n\nLocation:\n33.82754° N / 78.70574° W\n\nAid Name: Little River-Winyah Bay Buoy 15B\n\nThe U.S. Coast Guard has approved the following change in the Little River-Winyah Bay Channel, Intracoastal Waterway, to improve navigational safety and reliability.\n\nLittle River-Winyah Bay Buoy 15B (LLNR 33660.1) will be permanently established in approximate position 33-49-39.137N, 078-42-20.648W.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-78.70574,33.82754]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-78.70573999999999,"DECIMAL_LATITUDE":33.82754,"AID_UID":100119496812,"AID_NAME":"Little River-Winyah Bay Buoy 15B","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":null,"COLOR":null,"DESCRIPTION_TYPE":"ULB"}},{"type":"Feature","id":22457,"geometry":{"type":"Point","coordinates":[-79.84323999999998,32.757930000000044]},"properties":{"ESRI_OID":22457,"MSI_UID":22457,"ATU":7,"TITLE":"Sector Charleston, Exclusive Economic Zone (EEZ) - Sector Charleston, Territorial Sea/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384329,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea","WATERWAY_NAME":"Sector Charleston, Territorial Sea","CREATE_DATE":1751296202000,"MODIFIED_DATE":1751296435000,"BEGIN_DATE":1742860800000,"END_DATE":1898467199000,"DESCRIPTION":"ATON/Advanced Notice of Change\n22457\n\nLocation:\n32.75793° N / 79.84324° W\n\nAid Name: Charleston Light\nLLNR: 195\n\nAction: CHANGE\nAction Type Change Light Signals\n\nThe U.S. Coast Guard has approved the following changes to the Aids to Navigation System in the Charleston Harbor: \n\nCharleston Light (LLNR 195) will permanently have the nominal range reduced from 20NM to 17NM due to the installation of an LED optic. \n\nThis optic will ensure the light is more reliable as parts and essential components become harder to source for the existing optic. Any part or component failure with the current equipment could potentially lead to an extended period where the light would be extinguished. The flash characteristic and color will remain the same.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.84324,32.75793]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.84324,"DECIMAL_LATITUDE":32.75793,"AID_UID":200100016045,"AID_NAME":"Charleston Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":195,"COLOR":null,"DESCRIPTION_TYPE":"LTMA"}},{"type":"Feature","id":22880,"geometry":{"type":"Point","coordinates":[-80.26946999999996,27.209140000000048]},"properties":{"ESRI_OID":22880,"MSI_UID":22880,"ATU":7,"TITLE":"St Lucie River - St Lucie River North Fork/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384034,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secmiaexcecozon:secmiatersea:secmiasublanact:stlucinl:stlucriv:stlucrivnorfor","WATERWAY_NAME":"St Lucie River North Fork","CREATE_DATE":1751550617000,"MODIFIED_DATE":1751550666000,"BEGIN_DATE":1751500800000,"END_DATE":1907193599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n22880\n\nLocation:\n27.20914° N / 80.26947° W\n\nAid Name: St Lucie River (North Fork) Daybeacon 5\nLLNR: 50855\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following change in the St. Lucie River. St. Lucie River N. Fork DBN 5 (LLNR 50855) will be changed to St. Lucie River N. Fork LT 5, using the same LLNR.\n\nThis aid is currently located near a bend on the St Lucie River (North Fork) and unlighted. Given the turn for the channel it is best to install a light on the aid to provide a better signal during nighttime hours. There are currently no lighted aids in the immediate area. Lighting this aid would keep the maritime community safer and assist with navigation while transiting the river.  ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.26947,27.20914]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.26947,"DECIMAL_LATITUDE":27.209139999999998,"AID_UID":200100016536,"AID_NAME":"St Lucie River (North Fork) Daybeacon 5","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":50855,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":23189,"geometry":{"type":"Point","coordinates":[-70.64854999999994,41.987430000000074]},"properties":{"ESRI_OID":23189,"MSI_UID":23189,"ATU":1,"TITLE":"Plymouth Bay - Duxbury Bay/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116382089,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secbosexcecozon:secbostersea:secbossublanact:plybay:duxbay","WATERWAY_NAME":"Duxbury Bay","CREATE_DATE":1752007107000,"MODIFIED_DATE":1761736587000,"BEGIN_DATE":1751932800000,"END_DATE":1777593599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-07-08 To: 2026-04-30\n\nLocation:\n41.98743° N / 70.64855° W\n\nAid Name: Duxbury Pier Light\nLLNR: 12580\n\nAction: CHANGE\nAction Type Change Light Signals\n\nThe U.S. Coast Guard will be making the following change to the following Aid to Navigation;\nDuxbury Pier Light (Bug Light) (LLNR 12580)\nRemove the Light List Remarks “Higher Intensity Beam seaward” This change incorporates a modern LED lantern.\nPreviously advertised as a proposal for Project 01-23-068 in LNM 35/23.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-70.64855,41.98743]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-70.64855,"DECIMAL_LATITUDE":41.987429999999996,"AID_UID":200100190805,"AID_NAME":"Duxbury Pier Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12580,"COLOR":null,"DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":32528,"geometry":{"type":"Point","coordinates":[-78.54773999999998,33.85474000000005]},"properties":{"ESRI_OID":32528,"MSI_UID":32528,"ATU":7,"TITLE":"Sector Charleston, Territorial Sea - Sector Charleston, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384376,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact","WATERWAY_NAME":"Sector Charleston, Submerged Land Act (SLA)","CREATE_DATE":1763656131000,"MODIFIED_DATE":1763656388000,"BEGIN_DATE":1763596800000,"END_DATE":1919289599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-11-20 \n32528\n\nLocation:\n33-51-17.064N/078-32-51.864W\n\nAid Name: Little River Inlet Temporary Buoy 7A\nLLNR: Not Provided\n\nAction: ESTABLISH\n\nThe U.S. Coast Guard has approved the following change in the Little River Inlet, to improve the navigational safety and reliability of the federal aids to navigation system.\n\nDue to sever shoaling in the vicinity of Little River Inlet B 9 (LLNR 1715), Little River Inlet LB 7A (LLNR 1708) will be established in position 33-51-15.939N, 078-32-52.059W. The LB will display a flash characteristic of Q G, with a nominal range of 4 nautical miles.\n\nA temporary lighted buoy, “7A” is currently located in the proposed position listed above.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-78.54774,33.85474]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-78.54773999999999,"DECIMAL_LATITUDE":33.85474,"AID_UID":854500000037,"AID_NAME":"Little River Inlet Temporary Buoy 7A","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":null,"COLOR":"G","DESCRIPTION_TYPE":"ULB"}},{"type":"Feature","id":33121,"geometry":{"type":"Point","coordinates":[-75.91847999999999,37.96339000000006]},"properties":{"ESRI_OID":33121,"MSI_UID":33121,"ATU":5,"TITLE":"Chesapeake Channel - Tangier Sound/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116382654,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:tansou","WATERWAY_NAME":"Tangier Sound","CREATE_DATE":1764688140000,"MODIFIED_DATE":1776266887000,"BEGIN_DATE":1764633600000,"END_DATE":1780963199000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-12-02 To: 2026-02-02\n\nLocation:\n37-57-48.204N/075-55-06.528W\n\nAid Name: Janes Island Light\nLLNR: 22815\n\nAction: CHANGE\nAction Type Change Aid Subtype\nJanes Island Light (LLNR 22815) will be removed by Ballard Marine Construction sometime between December 3rd ,2025 and June 8 2026. Structure is deteriorating and at the end of its service life. Aid will be temporarily discontinued once structure is removed. MSI # 33121.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-75.91848,37.96339]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-75.91848,"DECIMAL_LATITUDE":37.96339,"AID_UID":200100291053,"AID_NAME":"Janes Island Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":22815,"COLOR":"BW","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":33436,"geometry":{"type":"Point","coordinates":[-80.97513999999995,32.07292000000007]},"properties":{"ESRI_OID":33436,"MSI_UID":33436,"ATU":7,"TITLE":"Long Island Crossing - Lower Flats Range/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383724,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:tybknocutran:lonislcro:lowflaran","WATERWAY_NAME":"Lower Flats Range","CREATE_DATE":1765205054000,"MODIFIED_DATE":1765205228000,"BEGIN_DATE":1765152000000,"END_DATE":1920844799000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-12-08 To: 2030-11-13\n\nLocation:\n32-04-22.512N/080-58-30.504W\n\nAid Name: Elba Island Light 37\nLLNR: 4845\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard is proposing to make the following changes in the Savannah River, Elba Island Channel to improve the waterway.\n\nElba Island LT 37 (LLNR 4845) will be changed to Elba Island LB 37 (LLNR 4845) and relocated to 32-04-24.404N, 080-58-28.548W. Light characteristics for LB 37 will remain a Fl G 4s.\n\nElba Island LT 39 (LLNR 4850) will be changed to Elba Island LB 39 (LLNR 48450) and relocated to 32-04-34.342N, 080-58-54.089W.  Light characteristics for LB 39 will remain a Fl G 4s.\n\nWaterway changes associated with the Savannah Harbor Expansion Project (SHEP) have made the federal channel and surrounding areas too deep for Coast Guard assets to adequately mark the channel with fixed aids to navigation.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.97514,32.07292]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.97514,"DECIMAL_LATITUDE":32.072919999999996,"AID_UID":200100022955,"AID_NAME":"Elba Island Light 37","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":4845,"COLOR":null,"DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":33438,"geometry":{"type":"Point","coordinates":[-80.98201999999998,32.07583000000005]},"properties":{"ESRI_OID":33438,"MSI_UID":33438,"ATU":7,"TITLE":"ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383724,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:tybknocutran:lonislcro:lowflaran","WATERWAY_NAME":"Lower Flats Range","CREATE_DATE":1765205145000,"MODIFIED_DATE":1765205220000,"BEGIN_DATE":1765152000000,"END_DATE":1920844799000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-12-08 To: 2030-11-13\n\nLocation:\n32-04-32.988N/080-58-55.272W\n\nAid Name: Elba Island Light 39\nLLNR: 4850\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following changes in the Savannah River, Elba Island Channel to improve the waterway.\n\nElba Island LT 37 (LLNR 4845) will be changed to Elba Island LB 37 (LLNR 4845) and relocated to 32-04-24.404N, 080-58-28.548W. Light characteristics for LB 37 will remain a Fl G 4s.\n\nElba Island LT 39 (LLNR 4850) will be changed to Elba Island LB 39 (LLNR 48450) and relocated to 32-04-34.342N, 080-58-54.089W.  Light characteristics for LB 39 will remain a Fl G 4s.\n\nWaterway changes associated with the Savannah Harbor Expansion Project (SHEP) have made the federal channel and surrounding areas too deep for Coast Guard assets to adequately mark the channel with fixed aids to navigation.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.98202,32.07583]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.98201999999999,"DECIMAL_LATITUDE":32.075829999999996,"AID_UID":200100022956,"AID_NAME":"Elba Island Light 39","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":4850,"COLOR":null,"DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":33751,"geometry":{"type":"Point","coordinates":[-81.82613999999995,24.63002000000006]},"properties":{"ESRI_OID":33751,"MSI_UID":33751,"ATU":7,"TITLE":"ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383201,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1765482697000,"MODIFIED_DATE":1765482756000,"BEGIN_DATE":1765411200000,"END_DATE":1921103999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-12-11 \n33751\n\nLocation:\n24-37-48.072N/081-49-34.104W\n\nAid Name: Calda Channel Light 1\nLLNR: 15330\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following changes to the Aids to Navigation System in Calda Channel: \nCalda Channel Light 1 (LLNR 15330) will be changed to Calda Channel Lighted Buoy 1 (LLNR 15330) in approximate position 24-37-48.072N/081-49-34.088W.\n\nCalda Channel Daybeacon 3 (LLN 15335) will be changed to Calda Channel Buoy 3 (LLNR 15335) in approximate position 24-37-44.219N, 081-49-16.081W.\n\nCalda Channel Daybeacon 5 (LLNR 15340) will be changed to Calda Channel Buoy 5 (LLNR 15340) in approximate position 24-37-38.542N/081-49-04.046W.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.82614,24.63002]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.82614,"DECIMAL_LATITUDE":24.63002,"AID_UID":200100021492,"AID_NAME":"Calda Channel Light 1","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":15330,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":33752,"geometry":{"type":"Point","coordinates":[-81.82112999999998,24.62895000000003]},"properties":{"ESRI_OID":33752,"MSI_UID":33752,"ATU":7,"TITLE":"ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383201,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1765482823000,"MODIFIED_DATE":1765482833000,"BEGIN_DATE":1765411200000,"END_DATE":1921103999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-12-11 \n33752\n\nLocation:\n24-37-44.220N/081-49-16.068W\n\nAid Name: Calda Channel Daybeacon 3\nLLNR: 15335\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following changes to the Aids to Navigation System in Calda Channel: \nCalda Channel Light 1 (LLNR 15330) will be changed to Calda Channel Lighted Buoy 1 (LLNR 15330) in approximate position 24-37-48.072N/081-49-34.088W.\n\nCalda Channel Daybeacon 3 (LLN 15335) will be changed to Calda Channel Buoy 3 (LLNR 15335) in approximate position 24-37-44.219N, 081-49-16.081W.\n\nCalda Channel Daybeacon 5 (LLNR 15340) will be changed to Calda Channel Buoy 5 (LLNR 15340) in approximate position 24-37-38.542N/081-49-04.046W.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.82113,24.62895]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.82113,"DECIMAL_LATITUDE":24.62895,"AID_UID":200100021493,"AID_NAME":"Calda Channel Daybeacon 3","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":15335,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":33753,"geometry":{"type":"Point","coordinates":[-81.81778999999995,24.62737000000004]},"properties":{"ESRI_OID":33753,"MSI_UID":33753,"ATU":7,"TITLE":"ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383201,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea:seckeywessublanact","WATERWAY_NAME":"Sector Key West, Submerged Land Act (SLA)","CREATE_DATE":1765482894000,"MODIFIED_DATE":1765482905000,"BEGIN_DATE":1765411200000,"END_DATE":1921103999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-12-11 \n33753\n\nLocation:\n24-37-38.532N/081-49-04.044W\n\nAid Name: Calda Channel Daybeacon 5\nLLNR: 15340\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following changes to the Aids to Navigation System in Calda Channel: \nCalda Channel Light 1 (LLNR 15330) will be changed to Calda Channel Lighted Buoy 1 (LLNR 15330) in approximate position 24-37-48.072N/081-49-34.088W.\n\nCalda Channel Daybeacon 3 (LLN 15335) will be changed to Calda Channel Buoy 3 (LLNR 15335) in approximate position 24-37-44.219N, 081-49-16.081W.\n\nCalda Channel Daybeacon 5 (LLNR 15340) will be changed to Calda Channel Buoy 5 (LLNR 15340) in approximate position 24-37-38.542N/081-49-04.046W.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.81779,24.62737]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.81779,"DECIMAL_LATITUDE":24.62737,"AID_UID":200100021494,"AID_NAME":"Calda Channel Daybeacon 5","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":15340,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":35342,"geometry":{"type":"Point","coordinates":[-82.81916999999999,27.963100000000054]},"properties":{"ESRI_OID":35342,"MSI_UID":35342,"ATU":7,"TITLE":"Clearwater Pass Channel - Clearwater Marina Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383568,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secsaipetexcecozon:secsaipettersea:secsaipetsublanact:clepascha:clemarcha","WATERWAY_NAME":"Clearwater Marina Channel","CREATE_DATE":1768599764000,"MODIFIED_DATE":1768600100000,"BEGIN_DATE":1768521600000,"END_DATE":1813881599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n35342\n\nFrom: 2026-01-16 \n\n\nLocation:\n27-57-47.160N/082-49-09.012W\n\nAid Name: Clearwater Marina Channel Light 2\nLLNR: 25730\n\nAction: CHANGE\nAction Type Change Light Signals\n\nThe U.S. Coast Guard has approved the following changes in the Clearwater Marina Channel and Causeway Channel to improve the aids to navigation within the waterway and to create a safer transit. \n\nClearwater Marina Channel LT 2 (LLNR 25730) will be changed to Clearwater Marina Preferred Channel LT “CM” (LLNR 25730). The new flash characteristics will be changed to a FL (2+1)R 6s and the Day Mark will show a red over green signal.\nCurrently Clearwater Marina Channel LT 2 sits across from Clearwater Pass LT 14 (LLNR 25575) at the junction of Clearwater Marina Channel and Clearwater Pass Channel causing confusion on outbound transits from the Clearwater Pass Channel. \n\nCauseway Channel DBN 7 (LLNR 25845.5) will be changed to Causeway Preferred Channel DBN “CC” (LLNR 25845.5). The Day Mark will show a green over red signal.\nCauseway Channel DBN 7 is currently aligned with red lateral aids marking the Clearwater Marina Channel and causes confusion on inbound transits of the Clearwater Marina Channel.\nConverting these aids to a “preferred” channel mark will alleviate any confusion for the mariner while transiting through the Clearwater Marina Channel, Clearwater Pass Channel, and the Causeway Channel.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.81917,27.9631]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.81917,"DECIMAL_LATITUDE":27.9631,"AID_UID":200100100070,"AID_NAME":"Clearwater Marina Channel Light 2","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":25730,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":35343,"geometry":{"type":"Point","coordinates":[-82.81731999999994,27.971480000000042]},"properties":{"ESRI_OID":35343,"MSI_UID":35343,"ATU":7,"TITLE":"Clearwater Harbor - Clearwater Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116383564,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secsaipetexcecozon:secsaipettersea:secsaipetsublanact:clepascha:clehar:clepas","WATERWAY_NAME":"Clearwater Pass","CREATE_DATE":1768599997000,"MODIFIED_DATE":1768600108000,"BEGIN_DATE":1768521600000,"END_DATE":1813881599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-01-16 \n35343\n\nLocation:\n27-58-17.328N/082-49-02.352W\n\nAid Name: Causeway Channel Daybeacon 7\nLLNR: 25845.5\n\nThe U.S. Coast Guard has approved the following changes in the Clearwater Marina Channel and Causeway Channel to improve the aids to navigation within the waterway and to create a safer transit. \n\nCauseway Channel DBN 7 (LLNR 25845.5) will be changed to Causeway Preferred Channel DBN “CC” (LLNR 25845.5). The Day Mark will show a green over red signal.\nCauseway Channel DBN 7 is currently aligned with red lateral aids marking the Clearwater Marina Channel and causes confusion on inbound transits of the Clearwater Marina Channel.\n\nClearwater Marina Channel LT 2 (LLNR 25730) will be changed to Clearwater Marina Preferred Channel LT “CM” (LLNR 25730). The new flash characteristics will be changed to a FL (2+1)R 6s and the Day Mark will show a red over green signal.\nCurrently Clearwater Marina Channel LT 2 sits across from Clearwater Pass LT 14 (LLNR 25575) at the junction of Clearwater Marina Channel and Clearwater Pass Channel causing confusion on outbound transits from the Clearwater Pass Channel. \n\nConverting these aids to a “preferred” channel mark will alleviate any confusion for the mariner while transiting through the Clearwater Marina Channel, Clearwater Pass Channel, and the Causeway Channel.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.81732,27.97148]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.81732,"DECIMAL_LATITUDE":27.97148,"AID_UID":200100560646,"AID_NAME":"Causeway Channel Daybeacon 7","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":25845.5,"COLOR":"G","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":35345,"geometry":{"type":"Point","coordinates":[-79.03287999999998,33.53597000000008]},"properties":{"ESRI_OID":35345,"MSI_UID":35345,"ATU":7,"TITLE":"Sector Charleston, Territorial Sea - Sector Charleston, Submerged Land Act (SLA)/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384377,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact","WATERWAY_NAME":"Sector Charleston, Submerged Land Act (SLA)","CREATE_DATE":1768600598000,"MODIFIED_DATE":1768600606000,"BEGIN_DATE":1768521600000,"END_DATE":1811289599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-01-16 \n35345\n\nLocation:\n33-32-09.492N/079-01-58.368W\n\nAid Name: Murrells Inlet Light 10\nLLNR: 1800\n\nAction: CHANGE\nAction Type Change Aid Subtype\n\nThe U.S. Coast Guard has approved the following changes in Murrells Inlet to improve the aids to navigation within the waterway.\n\nMurrells Inlet LT 10 (LLNR 1800) will be changed to Murrells Inlet LB 10 (LLNR 1800). The light characteristics of LB 10 will remain Fl R 4s.\n\nDue to the location of LT 10, a CG asset is unable to safely transit to this aid to rebuild the structure. LT 10 has been destroyed since April 2025 with a temporary lighted buoy on its assigned position. This buoy will become permanent. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.03288,33.53597]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.03287999999999,"DECIMAL_LATITUDE":33.53597,"AID_UID":200100023503,"AID_NAME":"Murrells Inlet Light 10","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":1800,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":36867,"geometry":{"type":"Point","coordinates":[-79.92999999999995,32.843360000000075]},"properties":{"ESRI_OID":36867,"MSI_UID":36867,"ATU":7,"TITLE":"Charleston Harbor - Cooper River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384355,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar:cooriv","WATERWAY_NAME":"Cooper River","CREATE_DATE":1770748294000,"MODIFIED_DATE":1770748384000,"BEGIN_DATE":1770681600000,"END_DATE":3327695999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-02-10 \n36867\n\nLocation:\n32-50-36.096N/079-55-48.000W\n\nAid Name: Cooper River Lighted Buoy 49\nLLNR: 2803\n\nAction: RELOCATE\n\nThe U.S. Coast Guard has approved the following changes to the Aids to Navigation System in the Cooper River. \n\nCooper River LB 49 (LLNR 2803) will be permanently relocated to approximate position 32-50-39.792N / 079-55-48.068W. All other characteristics including the flash characteristics will remain the same. \n\nThe new position is approximately 120 yards NNW from the current location. New location will provide additional maneuverability in the turning basin. This will also create a “gated pair” with Cooper River LB 48A (LLNR 2801).","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.93,32.84336]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.93,"DECIMAL_LATITUDE":32.84336,"AID_UID":200100659127,"AID_NAME":"Cooper River Lighted Buoy 49","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":2803,"COLOR":"G","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":39162,"geometry":{"type":"Point","coordinates":[-89.43199999999996,28.909580000000062]},"properties":{"ESRI_OID":39162,"MSI_UID":39162,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1773410353000,"MODIFIED_DATE":1773410368000,"BEGIN_DATE":1773792000000,"END_DATE":1778630399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 12, 2026:\nChange Southwest Pass Entrance Range Front Light (LLNR-12685) in position 28-54-34.475N/089-25-55.212W from showing F W, 20ft, KRW on skeleton tower on piles, visible 1.5° each side of rangeline to show Fl Q W, 20ft, KRW on skeleton tower on piles, visible all around; higher intensity on rangeline. \n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.432,28.90958]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.432,"DECIMAL_LATITUDE":28.90958,"AID_UID":200100418048,"AID_NAME":"Southwest Pass Entrance Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12685,"COLOR":"RWR","DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":39163,"geometry":{"type":"Point","coordinates":[-89.43197999999995,28.912730000000067]},"properties":{"ESRI_OID":39163,"MSI_UID":39163,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1773410485000,"MODIFIED_DATE":1773410495000,"BEGIN_DATE":1773792000000,"END_DATE":1778630399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 12, 2026:\nEstablish Southwest Pass Entrance Range Rear Passing Light (LLNR-12690.01) in approximate position 28-54-45.841N/089-25-55.125W, showing Fl Q W, 15ft, 5NM, on same structure as Southwest Pass Entrance Range Rear Light.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.43198,28.91273]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.43198,"DECIMAL_LATITUDE":28.91273,"AID_UID":100119540413,"AID_NAME":"Southwest Pass Entrance Range Rear Passing Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12690.01,"COLOR":null,"DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39164,"geometry":{"type":"Point","coordinates":[-89.43247999999994,28.90963000000005]},"properties":{"ESRI_OID":39164,"MSI_UID":39164,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1773410800000,"MODIFIED_DATE":1773410812000,"BEGIN_DATE":1773792000000,"END_DATE":1778630399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 12, 2026:\nChange Southwest Pass Entrance West Range Front Light (LLNR-12715) in position 28-54-34.686N/089-25-56.924W from showing Fl Q G, 21ft, NG on dolphin, visible 1.5° each side of rangeline to show Fl Q G, 21ft, NG on dolphin, visible all around; higher intensity on rangeline. \n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.43248,28.90963]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.43248,"DECIMAL_LATITUDE":28.90963,"AID_UID":200100418352,"AID_NAME":"Southwest Pass Entrance West Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12715,"COLOR":"N/A","DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":39166,"geometry":{"type":"Point","coordinates":[-89.43246999999997,28.912990000000036]},"properties":{"ESRI_OID":39166,"MSI_UID":39166,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1773410918000,"MODIFIED_DATE":1773410929000,"BEGIN_DATE":1773792000000,"END_DATE":1778630399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 12, 2026:\nEstablish Southwest Pass Entrance West Range Rear Passing Light (LLNR-12720.01) in approximate position 28-54-46.766N/089-25-56.883W, showing Fl Q W, 15ft, 5NM, on same structure as Southwest Pass Entrance West Range Rear Light.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.43247,28.91299]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.43247,"DECIMAL_LATITUDE":28.912989999999997,"AID_UID":100119540404,"AID_NAME":"Southwest Pass Entrance West Range Rear Passing Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12720.01,"COLOR":null,"DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39574,"geometry":{"type":"Point","coordinates":[-90.11206999999996,29.66620000000006]},"properties":{"ESRI_OID":39574,"MSI_UID":39574,"ATU":8,"TITLE":"Barataria Waterway - Dupre Cut/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384944,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:barpas:bayrig:barwat:dupcut","WATERWAY_NAME":"Dupre Cut","CREATE_DATE":1774029674000,"MODIFIED_DATE":1776786361000,"BEGIN_DATE":1774396800000,"END_DATE":1779235199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 19, 2026:\nChange Bayou Rigolettes Light 1 (LLNR-16550) in approximate position 29-39-58.323N/090-06-43.464W showing Fl G 4s, 17ft, 4NM, SG on pile, Ra ref to Bayou Rigolettes Lighted Buoy 1 (LLNR-16550), Fl G 4s, 3NM, Green Can.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.11207,29.6662]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.11207,"DECIMAL_LATITUDE":29.6662,"AID_UID":200100417191,"AID_NAME":"Bayou Rigolettes Light 1","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":16550,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39575,"geometry":{"type":"Point","coordinates":[-90.11224999999996,29.66701000000006]},"properties":{"ESRI_OID":39575,"MSI_UID":39575,"ATU":8,"TITLE":"Barataria Waterway - Dupre Cut/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384944,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:barpas:bayrig:barwat:dupcut","WATERWAY_NAME":"Dupre Cut","CREATE_DATE":1774029795000,"MODIFIED_DATE":1776786354000,"BEGIN_DATE":1774396800000,"END_DATE":1779235199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 19, 2026:\nChange Bayou Rigolettes Light 2 (LLNR-16555) in approximate position 29-40-01.240N/090-06-44.097W, showing Fl R 4s, 17ft, 3NM, TR on pile, Ra ref to Bayou Rigolettes Lighted Buoy 2 (LLNR-16555), Fl R 4s, 3NM, Red nun.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.11225,29.66701]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.11224999999999,"DECIMAL_LATITUDE":29.667009999999998,"AID_UID":200100417192,"AID_NAME":"Bayou Rigolettes Light 2","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":16555,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39576,"geometry":{"type":"Point","coordinates":[-89.35139999999996,29.002260000000035]},"properties":{"ESRI_OID":39576,"MSI_UID":39576,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1774029956000,"MODIFIED_DATE":1774029979000,"BEGIN_DATE":1774396800000,"END_DATE":1779235199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 19, 2026:\nChange Southwest Pass Light 14 (LLNR-12820) in approximate position 29-00-08.130N/089-21-05.052W showing Iso R 6s, 45ft, 5NM, TR on skeleton tower on piles to show Iso R 6s, 35ft, 5NM, TR on skeleton tower on piles.    \n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.3514,29.00226]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.3514,"DECIMAL_LATITUDE":29.00226,"AID_UID":200100415258,"AID_NAME":"Southwest Pass Light 14","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12820,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39577,"geometry":{"type":"Point","coordinates":[-89.33504999999997,29.023270000000025]},"properties":{"ESRI_OID":39577,"MSI_UID":39577,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1774030053000,"MODIFIED_DATE":1774030063000,"BEGIN_DATE":1774396800000,"END_DATE":1779235199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 19, 2026:\nChange Southwest Pass Light 18 (LLNR-12835) in approximate position 29-01-23.784N/089-20-06.178W showing Fl R 2.5s, 45ft, 6NM, TR on skeleton tower on piles to show Fl R 2.5s, 35ft, 6NM, TR on skeleton tower on piles.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.33505,29.02327]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.33505,"DECIMAL_LATITUDE":29.02327,"AID_UID":200100415261,"AID_NAME":"Southwest Pass Light 18","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12835,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39578,"geometry":{"type":"Point","coordinates":[-89.30018999999999,29.066320000000076]},"properties":{"ESRI_OID":39578,"MSI_UID":39578,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1774030149000,"MODIFIED_DATE":1774030159000,"BEGIN_DATE":1774396800000,"END_DATE":1779235199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 19, 2026:\nChange Southwest Pass Light 22 (LLNR-12880) in approximate position 29-03-58.759N/089-18-00.686W showing Q R, 40ft, 5NM, TR on skeleton tower on piles to show Q R, 35ft, 5NM, TR on skeleton tower on piles.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.30019,29.06632]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.30019,"DECIMAL_LATITUDE":29.066319999999997,"AID_UID":200100415263,"AID_NAME":"Southwest Pass Light 22","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12880,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39579,"geometry":{"type":"Point","coordinates":[-89.28061999999994,29.08561000000003]},"properties":{"ESRI_OID":39579,"MSI_UID":39579,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1774030260000,"MODIFIED_DATE":1774030271000,"BEGIN_DATE":1774396800000,"END_DATE":1779235199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 19, 2026:\nChange Southwest Pass Light 24 (LLNR-12890) in approximate position 29-05-08.191N/089-16-50.231W showing Fl R 2.5s, 37ft, 5NM, TR on skeleton tower on piles to show Fl R 2.5s, 35ft, 5NM, TR on skeleton tower on piles.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.28062,29.08561]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.28062,"DECIMAL_LATITUDE":29.08561,"AID_UID":200100415264,"AID_NAME":"Southwest Pass Light 24","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12890,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39580,"geometry":{"type":"Point","coordinates":[-89.31953999999996,29.04696000000007]},"properties":{"ESRI_OID":39580,"MSI_UID":39580,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1774030363000,"MODIFIED_DATE":1774030374000,"BEGIN_DATE":1774396800000,"END_DATE":1779235199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Change:\nChange Double Bayou Light 19 (LLNR-12860) in approximate position 29-02-49.054N/089-19-10.357W showing Fl G 2.5s, 45ft, 5NM, SG on skeleton tower on piles to show Fl G 2.5s, 35ft, 5NM, TR on skeleton tower on piles.    \n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.31954,29.04696]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.31953999999999,"DECIMAL_LATITUDE":29.04696,"AID_UID":200100415129,"AID_NAME":"Double Bayou Light 19","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12860,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":39989,"geometry":{"type":"Point","coordinates":[-89.43151999999998,28.909380000000056]},"properties":{"ESRI_OID":39989,"MSI_UID":39989,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1774522350000,"MODIFIED_DATE":1774522365000,"BEGIN_DATE":1775001600000,"END_DATE":1779839999000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 26, 2026:\nChange Southwest Pass Entrance East Range Front Light (LLNR-12700) in position 28-54-33.761N/089-25-53.472W, showing Q R, 21ft, NR on tower on piles, visible 1.5° each side of rangeline to showing Q R, 21ft, NR on tower on piles, visible around, higher intensity on rangeline.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.43152,28.90938]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.43151999999999,"DECIMAL_LATITUDE":28.90938,"AID_UID":200100756458,"AID_NAME":"Southwest Pass Entrance East Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12700,"COLOR":"N/A","DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":39990,"geometry":{"type":"Point","coordinates":[-89.43151999999998,28.909590000000037]},"properties":{"ESRI_OID":39990,"MSI_UID":39990,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Southwest Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116384958,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:souwespas","WATERWAY_NAME":"Southwest Pass","CREATE_DATE":1774522467000,"MODIFIED_DATE":1774522481000,"BEGIN_DATE":1775001600000,"END_DATE":1779839999000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after May 26, 2026:\nRelocate and Rename Southwest Pass Entrance East Range Front Passing Light (LLNR-12705) in approximate position 28-54-34.537N/089-25-53.480W, showing Q W, 23ft, 5NM, on same structure as Southwest Pass Entrance East Range Front Light to Southwest Pass Entrance East Range Rear Passing Light (LLNR-12705) in approximate position 28-54-49.867N/089-25-53.440W, Q W, 20ft, 4NM, on same structure as Southwest Pass Entrance East Range Rear Light.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.43152,28.90959]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.43151999999999,"DECIMAL_LATITUDE":28.909589999999998,"AID_UID":200100756485,"AID_NAME":"Southwest Pass Entrance East Range Front Passing Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":12705,"COLOR":"W","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40544,"geometry":{"type":"Point","coordinates":[-121.88763999999998,38.049450000000036]},"properties":{"ESRI_OID":40544,"MSI_UID":40544,"ATU":11,"TITLE":"Carquinez Strait - Suisun Bay/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385513,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay","WATERWAY_NAME":"Suisun Bay","CREATE_DATE":1775246147000,"MODIFIED_DATE":1775246335000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Suisun Bay Light 31. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6595.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.88764,38.04945]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.88764,"DECIMAL_LATITUDE":38.04945,"AID_UID":200100158630,"AID_NAME":"Suisun Bay Light 31","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6595,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40695,"geometry":{"type":"Point","coordinates":[-122.46867999999995,37.85594000000003]},"properties":{"ESRI_OID":40695,"MSI_UID":40695,"ATU":11,"TITLE":"Richardson Bay - Sausalito Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100117271006,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:racstr:ricbay:saucha","WATERWAY_NAME":"Sausalito Channel","CREATE_DATE":1775497613000,"MODIFIED_DATE":1775509347000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sausalito Channel LT 2. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 4385.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.46868,37.85594]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.46868,"DECIMAL_LATITUDE":37.85594,"AID_UID":200100158380,"AID_NAME":"Sausalito Channel Light 2","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":4385,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40696,"geometry":{"type":"Point","coordinates":[-122.32185999999996,37.81543000000005]},"properties":{"ESRI_OID":40696,"MSI_UID":40696,"ATU":11,"TITLE":"San Francisco Bay - Oakland Outer Harbor/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385428,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:oakouthar","WATERWAY_NAME":"Oakland Outer Harbor","CREATE_DATE":1775498160000,"MODIFIED_DATE":1775509344000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Oakland Outer Harbor LT 13. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 4655.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.32186,37.81543]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.32186,"DECIMAL_LATITUDE":37.81543,"AID_UID":112500006149,"AID_NAME":"Oakland Outer Harbor Light 13","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":4655,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40708,"geometry":{"type":"Point","coordinates":[-121.79991999999999,38.05974000000003]},"properties":{"ESRI_OID":40708,"MSI_UID":40708,"ATU":11,"TITLE":"Suisun Bay - Sacramento River Deep Water Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385448,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:sacrivdeewatshicha","WATERWAY_NAME":"Sacramento River Deep Water Ship Channel","CREATE_DATE":1775507618000,"MODIFIED_DATE":1775507725000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sacramento River Deep Water Ship Ch. LT 10. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7210.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.79992,38.05974]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.79992,"DECIMAL_LATITUDE":38.05974,"AID_UID":200100158675,"AID_NAME":"Sacramento River Deep Water Ship Channel Light 10","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7210,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40709,"geometry":{"type":"Point","coordinates":[-122.19913999999994,37.52529000000004]},"properties":{"ESRI_OID":40709,"MSI_UID":40709,"ATU":11,"TITLE":"San Francisco Bay South Channel - Redwood Creek/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385548,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanfraoakbaybriwescro:sanfrabaysoucha:redcre","WATERWAY_NAME":"Redwood Creek","CREATE_DATE":1775507652000,"MODIFIED_DATE":1775507713000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Redwood Creek LT 11. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 5225.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.19914,37.52529]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.19914,"DECIMAL_LATITUDE":37.52529,"AID_UID":200100158195,"AID_NAME":"Redwood Creek Light 11","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":5225,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40710,"geometry":{"type":"Point","coordinates":[-122.40093999999999,37.906130000000076]},"properties":{"ESRI_OID":40710,"MSI_UID":40710,"ATU":11,"TITLE":"San Francisco Bay - Richmond Harbor Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385415,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:richarcha","WATERWAY_NAME":"Richmond Harbor Channel","CREATE_DATE":1775507766000,"MODIFIED_DATE":1775509341000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Richmond Harbor Channel LT 4. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 5685.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.40094,37.90613]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.40093999999999,"DECIMAL_LATITUDE":37.90613,"AID_UID":200100158436,"AID_NAME":"Richmond Harbor Channel Light 4","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":5685,"COLOR":"N/A","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40711,"geometry":{"type":"Point","coordinates":[-121.76597999999996,38.07639000000006]},"properties":{"ESRI_OID":40711,"MSI_UID":40711,"ATU":11,"TITLE":"Suisun Bay - Sacramento River Deep Water Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385448,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:sacrivdeewatshicha","WATERWAY_NAME":"Sacramento River Deep Water Ship Channel","CREATE_DATE":1775507881000,"MODIFIED_DATE":1775507970000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sacramento River Deep Water Ship Ch. LT 14. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7230.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.76598,38.07639]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.76598,"DECIMAL_LATITUDE":38.076389999999996,"AID_UID":200100158724,"AID_NAME":"Sacramento River Deep Water Ship Channel Light 14","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7230,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40712,"geometry":{"type":"Point","coordinates":[-122.38500999999997,37.90444000000008]},"properties":{"ESRI_OID":40712,"MSI_UID":40712,"ATU":11,"TITLE":"San Francisco Bay - Richmond Harbor Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385415,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:richarcha","WATERWAY_NAME":"Richmond Harbor Channel","CREATE_DATE":1775507898000,"MODIFIED_DATE":1775509337000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Richmond Harbor Channel LT 8. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 5710.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.38501,37.90444]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.38501,"DECIMAL_LATITUDE":37.90444,"AID_UID":200100158432,"AID_NAME":"Richmond Harbor Channel Light 8","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":5710,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40713,"geometry":{"type":"Point","coordinates":[-122.37544999999994,37.90527000000003]},"properties":{"ESRI_OID":40713,"MSI_UID":40713,"ATU":11,"TITLE":"San Francisco Bay - Richmond Harbor Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385415,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:richarcha","WATERWAY_NAME":"Richmond Harbor Channel","CREATE_DATE":1775508024000,"MODIFIED_DATE":1775509334000,"BEGIN_DATE":1775433600000,"END_DATE":1791071999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Richmond Harbor Channel LT 9. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 5725.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.37545,37.90527]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.37545,"DECIMAL_LATITUDE":37.90527,"AID_UID":200100158433,"AID_NAME":"Richmond Harbor Channel Light 9","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":5725,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40714,"geometry":{"type":"Point","coordinates":[-121.74266999999998,38.089860000000044]},"properties":{"ESRI_OID":40714,"MSI_UID":40714,"ATU":11,"TITLE":"Suisun Bay - Sacramento River Deep Water Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385448,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:sacrivdeewatshicha","WATERWAY_NAME":"Sacramento River Deep Water Ship Channel","CREATE_DATE":1775508115000,"MODIFIED_DATE":1775508184000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sacramento River Deep Water Ship Ch. LT 15. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7235.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.74267,38.08986]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.74267,"DECIMAL_LATITUDE":38.08986,"AID_UID":200100158746,"AID_NAME":"Sacramento River Deep Water Ship Channel Light 15","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7235,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40715,"geometry":{"type":"Point","coordinates":[-121.74155999999999,38.08843000000007]},"properties":{"ESRI_OID":40715,"MSI_UID":40715,"ATU":11,"TITLE":"Suisun Bay - Sacramento River Deep Water Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385448,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:sacrivdeewatshicha","WATERWAY_NAME":"Sacramento River Deep Water Ship Channel","CREATE_DATE":1775508261000,"MODIFIED_DATE":1775508319000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sacramento River Deep Water Ship Ch. LT 16. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7240.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.74156,38.08843]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.74155999999999,"DECIMAL_LATITUDE":38.088429999999995,"AID_UID":200100158742,"AID_NAME":"Sacramento River Deep Water Ship Channel Light 16","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7240,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40716,"geometry":{"type":"Point","coordinates":[-122.24484999999999,38.069650000000024]},"properties":{"ESRI_OID":40716,"MSI_UID":40716,"ATU":11,"TITLE":"Carquinez Strait - Mare Island Strait/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385504,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:marislstr","WATERWAY_NAME":"Mare Island Strait","CREATE_DATE":1775508297000,"MODIFIED_DATE":1775509331000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Mare Island Strait LT 2. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6095.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.24485,38.06965]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.24485,"DECIMAL_LATITUDE":38.069649999999996,"AID_UID":200100158721,"AID_NAME":"Mare Island Strait Light 2","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6095,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40717,"geometry":{"type":"Point","coordinates":[-122.24613,38.07358000000005]},"properties":{"ESRI_OID":40717,"MSI_UID":40717,"ATU":11,"TITLE":"Carquinez Strait - Mare Island Strait/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385504,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:marislstr","WATERWAY_NAME":"Mare Island Strait","CREATE_DATE":1775508396000,"MODIFIED_DATE":1775509327000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Mare Island Strait LT 3. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6100.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.24613,38.07358]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.24613,"DECIMAL_LATITUDE":38.07358,"AID_UID":200100158726,"AID_NAME":"Mare Island Strait Light 3","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6100,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40718,"geometry":{"type":"Point","coordinates":[-121.70905999999997,38.11185000000006]},"properties":{"ESRI_OID":40718,"MSI_UID":40718,"ATU":11,"TITLE":"Suisun Bay - Sacramento River Deep Water Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385448,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:sacrivdeewatshicha","WATERWAY_NAME":"Sacramento River Deep Water Ship Channel","CREATE_DATE":1775508406000,"MODIFIED_DATE":1775508461000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sacramento River Deep Water Ship Ch. LT 20. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7260.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.70906,38.11185]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.70906,"DECIMAL_LATITUDE":38.11185,"AID_UID":200100158777,"AID_NAME":"Sacramento River Deep Water Ship Channel Light 20","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7260,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40719,"geometry":{"type":"Point","coordinates":[-122.06305999999995,38.06420000000003]},"properties":{"ESRI_OID":40719,"MSI_UID":40719,"ATU":11,"TITLE":"Carquinez Strait - Suisun Bay/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385511,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay","WATERWAY_NAME":"Suisun Bay","CREATE_DATE":1775508505000,"MODIFIED_DATE":1775509307000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Suisun Bay Channel LT 11. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6440.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.06306,38.0642]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.06306000000001,"DECIMAL_LATITUDE":38.0642,"AID_UID":200100158698,"AID_NAME":"Suisun Bay Channel Light 11","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6440,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40720,"geometry":{"type":"Point","coordinates":[-121.68893999999995,38.149050000000045]},"properties":{"ESRI_OID":40720,"MSI_UID":40720,"ATU":11,"TITLE":"Suisun Bay - Sacramento River Deep Water Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385448,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:sacrivdeewatshicha","WATERWAY_NAME":"Sacramento River Deep Water Ship Channel","CREATE_DATE":1775508556000,"MODIFIED_DATE":1775508606000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sacramento River Deep Water Ship Ch. LT 28. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7305.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.68894,38.14905]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.68894,"DECIMAL_LATITUDE":38.149049999999995,"AID_UID":200100158787,"AID_NAME":"Sacramento River Deep Water Ship Channel Light 28","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7305,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40721,"geometry":{"type":"Point","coordinates":[-121.95432999999997,38.055090000000064]},"properties":{"ESRI_OID":40721,"MSI_UID":40721,"ATU":11,"TITLE":"Carquinez Strait - Suisun Bay/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385513,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay","WATERWAY_NAME":"Suisun Bay","CREATE_DATE":1775508598000,"MODIFIED_DATE":1775509304000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of Suisun Bay Channel LT 24A. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6557.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.95433,38.05509]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.95433,"DECIMAL_LATITUDE":38.05509,"AID_UID":200100159156,"AID_NAME":"Suisun Bay Channel Light 24A","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6557,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40723,"geometry":{"type":"Point","coordinates":[-121.67458999999997,38.22329000000008]},"properties":{"ESRI_OID":40723,"MSI_UID":40723,"ATU":11,"TITLE":"Suisun Bay - Sacramento River Deep Water Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385448,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:sacrivdeewatshicha","WATERWAY_NAME":"Sacramento River Deep Water Ship Channel","CREATE_DATE":1775508717000,"MODIFIED_DATE":1775508776000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Sacramento River Deep Water Ship Ch. LT 47. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7395.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.67459,38.22329]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.67459,"DECIMAL_LATITUDE":38.22329,"AID_UID":200100158833,"AID_NAME":"Sacramento River Deep Water Ship Channel Light 47","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7395,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40724,"geometry":{"type":"Point","coordinates":[-121.87993999999998,38.03774000000004]},"properties":{"ESRI_OID":40724,"MSI_UID":40724,"ATU":11,"TITLE":"Suisun Bay - New York Slough/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385517,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:newyorslo","WATERWAY_NAME":"New York Slough","CREATE_DATE":1775508749000,"MODIFIED_DATE":1775509248000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of New York Slough LT 3. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6620.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.87994,38.03774]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.87994,"DECIMAL_LATITUDE":38.03774,"AID_UID":200100158586,"AID_NAME":"New York Slough Light 3","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6620,"COLOR":null,"DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40725,"geometry":{"type":"Point","coordinates":[-121.80671999999998,38.02067000000005]},"properties":{"ESRI_OID":40725,"MSI_UID":40725,"ATU":11,"TITLE":"New York Slough - San Joaquin River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385447,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:newyorslo:sanjoariv","WATERWAY_NAME":"San Joaquin River","CREATE_DATE":1775508853000,"MODIFIED_DATE":1775509245000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of San Joaquin River LT 8. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6685.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.80672,38.02067]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.80672,"DECIMAL_LATITUDE":38.020669999999996,"AID_UID":200100158541,"AID_NAME":"San Joaquin River Light 8","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6685,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40726,"geometry":{"type":"Point","coordinates":[-123.05631999999997,38.30768000000006]},"properties":{"ESRI_OID":40726,"MSI_UID":40726,"ATU":11,"TITLE":"Bodega Bay - Bodega Harbor/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385529,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:bodbay:bodhar","WATERWAY_NAME":"Bodega Harbor","CREATE_DATE":1775508880000,"MODIFIED_DATE":1775508933000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of Bodega Harbor Ch. LT 6. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 7810.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-123.05632,38.30768]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-123.05632,"DECIMAL_LATITUDE":38.30768,"AID_UID":200100158876,"AID_NAME":"Bodega Harbor Channel Light 6","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":7810,"COLOR":"R","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40727,"geometry":{"type":"Point","coordinates":[-121.68037999999996,38.06045000000006]},"properties":{"ESRI_OID":40727,"MSI_UID":40727,"ATU":11,"TITLE":"New York Slough - San Joaquin River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385447,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanpabbay:carstr:suibay:newyorslo:sanjoariv","WATERWAY_NAME":"San Joaquin River","CREATE_DATE":1775508951000,"MODIFIED_DATE":1775509241000,"BEGIN_DATE":1775433600000,"END_DATE":1778198399000,"DESCRIPTION":"Due to the destruction, removal, or loss of San Joaquin River LT 25. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 6760.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.68038,38.06045]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.68038,"DECIMAL_LATITUDE":38.060449999999996,"AID_UID":112500005994,"AID_NAME":"San Joaquin River Light 25","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":6760,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40728,"geometry":{"type":"Point","coordinates":[-122.21454999999997,37.74111000000005]},"properties":{"ESRI_OID":40728,"MSI_UID":40728,"ATU":11,"TITLE":"San Francisco Oakland Bay Bridge West Crossing - San Leandro Bay/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385426,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanfraoakbaybriwescro:sanleabay","WATERWAY_NAME":"San Leandro Bay","CREATE_DATE":1775509039000,"MODIFIED_DATE":1775509098000,"BEGIN_DATE":1773100800000,"END_DATE":1778111999000,"DESCRIPTION":"Due to the destruction, removal, or loss of San Leandro Airport Ch. Daybeacon 6. A temporary lighted buoy has been established in its place. This TRLB will now be designated as a Federal Aid to Navigation and will be listed in the Light List under Light List Number: 4740.1. Mariners should reference this new Light List Number for all future navigation and reporting purposes.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.21455,37.74111]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.21455,"DECIMAL_LATITUDE":37.74111,"AID_UID":200100158251,"AID_NAME":"San Leandro Bay Airport Channel Daybeacon 6","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":4740,"COLOR":"R","DESCRIPTION_TYPE":"DBN"}},{"type":"Feature","id":40730,"geometry":{"type":"Point","coordinates":[-122.28896999999995,37.79053000000005]},"properties":{"ESRI_OID":40730,"MSI_UID":40730,"ATU":11,"TITLE":"San Francisco Oakland Bay Bridge West Crossing - Oakland Inner Harbor/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385443,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanfraoakbaybriwescro:oakinnhar","WATERWAY_NAME":"Oakland Inner Harbor","CREATE_DATE":1775510442000,"MODIFIED_DATE":1776289100000,"BEGIN_DATE":1774310400000,"END_DATE":1781222399000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-03-24 To: 2026-06-11\n\nLocation:\n37-47-25.908N/122-17-20.292W\n\nAid Name: Oakland Inner Harbor Turn Basin Light B\nLLNR: 4684\n\nAction: DISCONTINUE\n\nContact SMB-D11ALAMEDA-SignalManagement@uscg.mil with comment or concerns. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.28897,37.79053]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.28897,"DECIMAL_LATITUDE":37.79053,"AID_UID":200100159258,"AID_NAME":"Oakland Inner Harbor Turn Basin Light B","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":4684,"COLOR":"RW","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":40889,"geometry":{"type":"Point","coordinates":[-94.79206999999997,29.348010000000045]},"properties":{"ESRI_OID":40889,"MSI_UID":40889,"ATU":8,"TITLE":"Galveston Bay Entrance Channel - Houston Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:houshicha","WATERWAY_NAME":"Houston Ship Channel","CREATE_DATE":1775758926000,"MODIFIED_DATE":1775758938000,"BEGIN_DATE":1776211200000,"END_DATE":1781049599000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after June 9, 2026:\nChange Lower Galveston Bay Outer Range Front Light (LLNR-23970) in position 29-20-52.852N/094-47-31.444W from showing Fl G 2.5s, 39ft (NIGHT), and Fl W 2.5s, 42ft (DAY), on piles, visible 2° each side of range line, to show Fl G 2.5s, 39ft (NIGHT), on piles, higher intensity on range line, Fl W 2.5s, 39ft (DAY), visible all around higher intensity on range line.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.79207,29.34801]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.79207,"DECIMAL_LATITUDE":29.34801,"AID_UID":200100418845,"AID_NAME":"Lower Galveston Bay Outer Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":23970,"COLOR":"N/A","DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":40892,"geometry":{"type":"Point","coordinates":[-94.77828999999997,29.32060000000007]},"properties":{"ESRI_OID":40892,"MSI_UID":40892,"ATU":8,"TITLE":"Galveston Bay Entrance Channel - Houston Ship Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:houshicha","WATERWAY_NAME":"Houston Ship Channel","CREATE_DATE":1775759040000,"MODIFIED_DATE":1775759056000,"BEGIN_DATE":1776211200000,"END_DATE":1781049599000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after June 9, 2026:\nChange Lower Galveston Bay Outer Range Rear Light (LLNR-23975) in position 29-19-14.143N/094-46-41.839W from showing Oc G 4s, 135ft (NIGHT), and Oc W 4s, 132ft (DAY), on skeleton tower on piles, visible 2° each side of range line, to show Oc G 4s, 135ft (NIGHT), higher intensity on range line, and Oc W 4s, 135ft (DAY), higher intensity on range line.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.77829,29.3206]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.77829,"DECIMAL_LATITUDE":29.320600000000002,"AID_UID":200100418846,"AID_NAME":"Lower Galveston Bay Outer Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":23975,"COLOR":"N/A","DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":41210,"geometry":{"type":"Point","coordinates":[-75.91847999999999,37.96339000000006]},"properties":{"ESRI_OID":41210,"MSI_UID":41210,"ATU":5,"TITLE":"Chesapeake Channel - Tangier Sound/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116382654,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:tansou","WATERWAY_NAME":"Tangier Sound","CREATE_DATE":1776267082000,"MODIFIED_DATE":1776267143000,"BEGIN_DATE":1764633600000,"END_DATE":1780963199000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2025-12-02 To: 2026-02-02\n\nLocation:\n37-57-48.204N/075-55-06.528W\n\nAid Name: Janes Island Light\nLLNR: 22815\n\nAction: CHANGE\nAction Type Change Aid Subtype\nJanes Island Light (LLNR 22815) will be removed by Ballard Marine Construction sometime between December 3rd ,2025 and June 8 2026. Structure is deteriorating and at the end of its service life. Aid will be temporarily discontinued once structure is removed. MSI # 41210.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-75.91848,37.96339]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-75.91848,"DECIMAL_LATITUDE":37.96339,"AID_UID":200100291053,"AID_NAME":"Janes Island Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":22815,"COLOR":"BW","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":41559,"geometry":{"type":"Point","coordinates":[-93.83820999999995,29.69368000000003]},"properties":{"ESRI_OID":41559,"MSI_UID":41559,"ATU":8,"TITLE":"Sector Houston-Galveston, Submerged Land Act (SLA) - Sabine Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385196,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:sabpas","WATERWAY_NAME":"Sabine Pass","CREATE_DATE":1776701715000,"MODIFIED_DATE":1776701725000,"BEGIN_DATE":1776816000000,"END_DATE":1781654399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after June 17, 2026:\nChange Sabine Pass Jetty B Range Front Light (LLNR-22475) in position 29-41-37.232N/093-50-17.557W showing Q R, 21ft, 4NM, visible 2° each side of rangeline to show Q R, 23ft, visible all around; higher intensity 1.5° each side of rangeline. Lighted throughout 24 hours. Ra ref.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.83821,29.69368]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.83820999999999,"DECIMAL_LATITUDE":29.693679999999997,"AID_UID":200100418617,"AID_NAME":"Sabine Pass Jetty B Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":22475,"COLOR":"N/A","DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":41561,"geometry":{"type":"Point","coordinates":[-93.83930999999995,29.697910000000036]},"properties":{"ESRI_OID":41561,"MSI_UID":41561,"ATU":8,"TITLE":"Sector Houston-Galveston, Submerged Land Act (SLA) - Sabine Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385196,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:sabpas","WATERWAY_NAME":"Sabine Pass","CREATE_DATE":1776701826000,"MODIFIED_DATE":1776707960000,"BEGIN_DATE":1776816000000,"END_DATE":1781654399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after June 17, 2026:\nChange Sabine Pass Jetty B Range Rear Light (LLNR-22480) in position 29-41-52.486N/093-50-21.514W showing Oc R 4s, 50ft (NIGHT), and Oc W 4s (DAY), 4NM, visible 2° each side of rangeline to show Oc R 4s, 50ft (NIGHT), and Oc W 4s (DAY), visible all around; higher intensity 1.5° each side of rangeline. Lighted throughout 24 hours. Ra ref.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.83931,29.69791]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.83931,"DECIMAL_LATITUDE":29.69791,"AID_UID":200100418618,"AID_NAME":"Sabine Pass Jetty B Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":22480,"COLOR":"N/A","DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":41562,"geometry":{"type":"Point","coordinates":[-93.83930999999995,29.697910000000036]},"properties":{"ESRI_OID":41562,"MSI_UID":41562,"ATU":8,"TITLE":"Sector Houston-Galveston, Submerged Land Act (SLA) - Sabine Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385196,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:sabpas","WATERWAY_NAME":"Sabine Pass","CREATE_DATE":1776701916000,"MODIFIED_DATE":1776701927000,"BEGIN_DATE":1776816000000,"END_DATE":1781654399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after June 17, 2026:\nEstablish Sabine Pass Jetty B Range Rear Passing Light (LLNR-22480.01) in approximate position 29-41-52.486N/093-50-21.514W showing Q W, 10ft, 4NM, on same structure as Sabine Pass Jetty B Range Rear Light. Ra ref. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.83931,29.69791]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.83931,"DECIMAL_LATITUDE":29.69791,"AID_UID":100119547431,"AID_NAME":"Sabine Pass Jetty B Range Rear Passing Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":22480.010000000002,"COLOR":"W","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":41586,"geometry":{"type":"Point","coordinates":[-87.44202999999999,41.66689000000008]},"properties":{"ESRI_OID":41586,"MSI_UID":41586,"ATU":9,"TITLE":"LAKE MICHIGAN - Indiana Harbor/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386245,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:lakmic:indhar","WATERWAY_NAME":"Indiana Harbor","CREATE_DATE":1776704905000,"MODIFIED_DATE":1776704917000,"BEGIN_DATE":1776643200000,"END_DATE":1792281599000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-20 To: 2026-10-17\n\nLocation:\n41-40-00.804N/087-26-31.308W\n\nAid Name: Indiana Harbor Light 7\nLLNR: 19700\n\nAction: CHANGE\nAction Type Change Light Signals\n\nThe Coast Guard will be changing the characteristics of the lighted signal from F G to Occ G 4s. The change is in response to the installation of a more reliable lantern assembly. For any comments or questions on these proposed changes please contact: The Great Lakes District Aids to Navigation manager at Brian.D.Hawkins2@uscg.mil.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.44203,41.66689]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.44203,"DECIMAL_LATITUDE":41.666889999999995,"AID_UID":200100518285,"AID_NAME":"Indiana Harbor Light 7","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":19700,"COLOR":"G","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":41606,"geometry":{"type":"Point","coordinates":[-93.83820999999995,29.69368000000003]},"properties":{"ESRI_OID":41606,"MSI_UID":41606,"ATU":8,"TITLE":"Sector Houston-Galveston, Submerged Land Act (SLA) - Sabine Pass/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385196,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:sabpas","WATERWAY_NAME":"Sabine Pass","CREATE_DATE":1776707882000,"MODIFIED_DATE":1776707895000,"BEGIN_DATE":1776816000000,"END_DATE":1781654399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Changes after June 17, 2026:\nChange Sabine Pass Jetty B Range Front Light (LLNR-22475) in position 29-41-37.232N/093-50-17.557W showing Q R, 21ft (NIGHT), and Q W (DAY), 4NM, visible 2° each side of rangeline to show Q R, 23ft (Night), and Q W (DAY), visible all around; higher intensity 1.5° each side of rangeline. Lighted throughout 24 hours. Ra ref.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.83821,29.69368]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.83820999999999,"DECIMAL_LATITUDE":29.693679999999997,"AID_UID":200100418617,"AID_NAME":"Sabine Pass Jetty B Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":22475,"COLOR":"N/A","DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":41871,"geometry":{"type":"Point","coordinates":[-93.92723999999998,29.989060000000052]},"properties":{"ESRI_OID":41871,"MSI_UID":41871,"ATU":8,"TITLE":"Sabine-Neches Canal - Neches River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385185,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:sabpas:porartcan:sabcan:necriv","WATERWAY_NAME":"Neches River","CREATE_DATE":1776874873000,"MODIFIED_DATE":1776874882000,"BEGIN_DATE":1776816000000,"END_DATE":1781654399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation changes after June 17, 2026:\nConvert the following navigational ranges to Day and Night optics and remove the KRW range boards: \nChange and Relocate Neches River S Range Front Light (LLNR-23365) in position 29-59-20.632N/093-55-38.051W from showing Fl G Q (night only), 35ft, KRW on skeleton tower on mudsills, for downbound traffic. Visible all around; higher intensity on range line. To approximate position 29-59-20.881N/093-55-37.922W, showing Fl G Q, 35ft, for downbound traffic skeleton tower on piles, visible all around; higher intensity 1.5° each side of rangeline. Lighted throughout 24 hours. Ra ref. \n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.92724,29.98906]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.92724,"DECIMAL_LATITUDE":29.98906,"AID_UID":200100418562,"AID_NAME":"Neches River S Range Front Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":23365,"COLOR":"RWR","DESCRIPTION_TYPE":"RF"}},{"type":"Feature","id":41872,"geometry":{"type":"Point","coordinates":[-93.92608999999999,29.988640000000032]},"properties":{"ESRI_OID":41872,"MSI_UID":41872,"ATU":8,"TITLE":"Sabine-Neches Canal - Neches River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385185,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:sabpas:porartcan:sabcan:necriv","WATERWAY_NAME":"Neches River","CREATE_DATE":1776874955000,"MODIFIED_DATE":1776874984000,"BEGIN_DATE":1776816000000,"END_DATE":1781654399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation changes after June 17, 2026:\nChange and Relocate Neches River S Range Rear Light (LLNR-23370) in position 29-59-19.096N/093-55-33.941W from showing Iso G 6s (night only), 53ft, KRW on skeleton tower on mudsills to approximate position 29-59-19.330N/093-55-33.827W, showing Iso G 6s, 47ft, skeleton tower on piles, higher intensity 1.5° each side of rangeline. Lighted throughout 24 hours. Ra ref.  ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.92609,29.98864]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.92609,"DECIMAL_LATITUDE":29.98864,"AID_UID":200100418563,"AID_NAME":"Neches River S Range Rear Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":23370,"COLOR":"RWR","DESCRIPTION_TYPE":"RR"}},{"type":"Feature","id":41873,"geometry":{"type":"Point","coordinates":[-93.92605999999995,29.98870000000005]},"properties":{"ESRI_OID":41873,"MSI_UID":41873,"ATU":8,"TITLE":"Sabine-Neches Canal - Neches River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100117404704,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:sabpas:porartcan:sabcan:necriv","WATERWAY_NAME":"Neches River","CREATE_DATE":1776875239000,"MODIFIED_DATE":1776875247000,"BEGIN_DATE":1776816000000,"END_DATE":1781654399000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation changes after June 17, 2026:\nEstablish Neches River S Rear Range Passing Light (LLNR-23372) in approximate position 29-59-19.330N/093-55-33.827W, showing Fl W 2.5s, 3NM, Ra ref.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.92606,29.9887]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.92605999999999,"DECIMAL_LATITUDE":29.9887,"AID_UID":100119504759,"AID_NAME":"Neches River S Range Rear Passing Light","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":23372,"COLOR":"W","DESCRIPTION_TYPE":"LT"}},{"type":"Feature","id":41990,"geometry":{"type":"Point","coordinates":[-95.05877999999996,29.79448000000008]},"properties":{"ESRI_OID":41990,"MSI_UID":41990,"ATU":8,"TITLE":"Houston Ship Channel - San Jacinto River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385171,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:houshicha:sanjacriv","WATERWAY_NAME":"San Jacinto River","CREATE_DATE":1776956334000,"MODIFIED_DATE":1776956350000,"BEGIN_DATE":1777420800000,"END_DATE":1782259199000,"DESCRIPTION":"The Coast Guard will make the following Aids to Navigation Change after June 23, 2026:\nChange/Rename San Jacinto River Buoy 11 (LLNR-25585) in approximate position 29-47-40.121N/095-03-31.609W from showing green can to San Jacinto River Lighted Buoy 11 (LLNR-25585) showing Fl G 2.5s, 3NM, green.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-95.05878,29.79448]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-95.05878,"DECIMAL_LATITUDE":29.79448,"AID_UID":200100418176,"AID_NAME":"San Jacinto River Buoy 11","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":25585,"COLOR":"G","DESCRIPTION_TYPE":"ULB"}},{"type":"Feature","id":42323,"geometry":{"type":"Point","coordinates":[-82.93261999999999,42.352850000000046]},"properties":{"ESRI_OID":42323,"MSI_UID":42323,"ATU":9,"TITLE":"Above Fighting Island - Fleming Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116385975,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:hicislcha:balreecha:figislcha:abofigisl:flecha","WATERWAY_NAME":"Fleming Channel","CREATE_DATE":1777390344000,"MODIFIED_DATE":1777390359000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-21-10.260N/082-55-57.432W\n\nAid Name: Peche Island Lighted Buoy 114\nLLNR: 8255\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy and associated seasonal winter mark with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus replacement with a steel ice hull. The change provides both greater flexibility in the seasonal availability of a lighted signal, but also an improved radar signature during unlit off-season periods. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.93262,42.35285]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.93262,"DECIMAL_LATITUDE":42.35285,"AID_UID":200100515812,"AID_NAME":"Peche Island Lighted Buoy 114","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":8255,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":42324,"geometry":{"type":"Point","coordinates":[-82.50324999999998,42.682210000000055]},"properties":{"ESRI_OID":42324,"MSI_UID":42324,"ATU":9,"TITLE":"PORT HURON TO PTE AUX BARQUES - St. Clair River/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386422,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:stclariv","WATERWAY_NAME":"St. Clair River","CREATE_DATE":1777390425000,"MODIFIED_DATE":1777390439000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-40-55.956N/082-30-11.700W\n\nAid Name: Fawn Island Lighted Buoy 38\nLLNR: 9780\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy and associated seasonal winter mark with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus replacement with a steel ice hull. The change provides both greater flexibility in the seasonal availability of a lighted signal, but also an improved radar signature during unlit off-season periods. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.50325,42.68221]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.50325,"DECIMAL_LATITUDE":42.68221,"AID_UID":200100531583,"AID_NAME":"Fawn Island Lighted Buoy 38","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":9780,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":42325,"geometry":{"type":"Point","coordinates":[-82.49580999999995,42.701040000000035]},"properties":{"ESRI_OID":42325,"MSI_UID":42325,"ATU":9,"TITLE":"PORT HURON TO PTE AUX BARQUES - Marine City/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386424,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:marcit","WATERWAY_NAME":"Marine City","CREATE_DATE":1777390505000,"MODIFIED_DATE":1777390515000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-42-03.744N/082-29-44.916W\n\nAid Name: Marine City Shoal Lighted Buoy 40\nLLNR: 9790\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy and associated seasonal winter mark with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus replacement with a steel ice hull. The change provides both greater flexibility in the seasonal availability of a lighted signal, but also an improved radar signature during unlit off-season periods. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.49581,42.70104]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.49580999999999,"DECIMAL_LATITUDE":42.70104,"AID_UID":200100515984,"AID_NAME":"Marine City Shoal Lighted Buoy 40","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":9790,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":42326,"geometry":{"type":"Point","coordinates":[-82.59088999999994,42.55143000000004]},"properties":{"ESRI_OID":42326,"MSI_UID":42326,"ATU":9,"TITLE":"Lake St. Clair - St. Clair Cut-Off Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386327,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclacutcha","WATERWAY_NAME":"St. Clair Cut-Off Channel","CREATE_DATE":1777390786000,"MODIFIED_DATE":1777390837000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-33-05.148N/082-35-27.204W\n\nAid Name: St. Clair Cut-Off Channel Lighted Buoy 13\nLLNR: 8655\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus complete removal of the buoy. The change provides both greater flexibility in the seasonal availability of a lighted signal, but will also provide a physical buoy during off-season periods. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.59089,42.55143]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.59089,"DECIMAL_LATITUDE":42.551429999999996,"AID_UID":200100515896,"AID_NAME":"St. Clair Cut-Off Channel Lighted Buoy 13","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":8655,"COLOR":"G","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":42327,"geometry":{"type":"Point","coordinates":[-82.68429999999995,42.52141000000006]},"properties":{"ESRI_OID":42327,"MSI_UID":42327,"ATU":9,"TITLE":"Lake St. Clair - St. Clair Flats Canal/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386308,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclaflacan","WATERWAY_NAME":"St. Clair Flats Canal","CREATE_DATE":1777390896000,"MODIFIED_DATE":1777390905000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-31-17.076N/082-41-03.480W\n\nAid Name: St. Clair Flats Canal Lighted Buoy 4\nLLNR: 9585\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus complete removal of the buoy. The change provides both greater flexibility in the seasonal availability of a lighted signal, but will also provide a physical buoy during off-season periods. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.6843,42.52141]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.68430000000001,"DECIMAL_LATITUDE":42.521409999999996,"AID_UID":200100515961,"AID_NAME":"St. Clair Flats Canal Lighted Buoy 4","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":9585,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":42328,"geometry":{"type":"Point","coordinates":[-82.89787999999999,42.365080000000034]},"properties":{"ESRI_OID":42328,"MSI_UID":42328,"ATU":9,"TITLE":"Detroit River - Lake St. Clair/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386319,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla","WATERWAY_NAME":"Lake St. Clair","CREATE_DATE":1777391546000,"MODIFIED_DATE":1777391558000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-21-54.288N/082-53-52.368W\n\nAid Name: Lake St. Clair Lighted Buoy 2\nLLNR: 8420\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy and associated seasonal winter mark with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus replacement with a steel ice hull. While the change will marginally reduce the visual and radar range of the physical hull, the benefits of greater flexibility in availability of a lighted signal in nearshore areas and the proximity of fixed aids to navigation, were taken into consideration. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.89788,42.36508]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.89788,"DECIMAL_LATITUDE":42.36508,"AID_UID":200100515835,"AID_NAME":"Lake St. Clair Lighted Buoy 2","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":8420,"COLOR":"R","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":42329,"geometry":{"type":"Point","coordinates":[-82.68951999999996,42.51628000000005]},"properties":{"ESRI_OID":42329,"MSI_UID":42329,"ATU":9,"TITLE":"Lake St. Clair - St. Clair Cut-Off Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386327,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclacutcha","WATERWAY_NAME":"St. Clair Cut-Off Channel","CREATE_DATE":1777391608000,"MODIFIED_DATE":1777391616000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-30-58.608N/082-41-22.272W\n\nAid Name: St. Clair Cut-Off Channel Preferred Channel Lighted Buoy CO\nLLNR: 8590\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy and associated seasonal winter mark with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus replacement with a steel ice hull. While the change will marginally reduce the visual and radar range of the physical hull, the benefits of greater flexibility in availability of a lighted signal in nearshore areas and the proximity of fixed aids to navigation, were taken into consideration. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.68952,42.51628]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.68952,"DECIMAL_LATITUDE":42.516279999999995,"AID_UID":200100531546,"AID_NAME":"St. Clair Cut-Off Channel Preferred Channel Lighted Buoy CO","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":8590,"COLOR":"GRG","DESCRIPTION_TYPE":"LB"}},{"type":"Feature","id":42330,"geometry":{"type":"Point","coordinates":[-82.68602999999996,42.515370000000075]},"properties":{"ESRI_OID":42330,"MSI_UID":42330,"ATU":9,"TITLE":"Lake St. Clair - St. Clair Cut-Off Channel/ATON/Advanced Notice of Change","STATUS":"Advanced Notice","MSI_GROUP":"ATON","SUB_CATEGORY":"Advanced Notice of Change","TYPE":null,"WTRW_UID":100116386327,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclacutcha","WATERWAY_NAME":"St. Clair Cut-Off Channel","CREATE_DATE":1777391672000,"MODIFIED_DATE":1777391680000,"BEGIN_DATE":1777334400000,"END_DATE":1798847999000,"DESCRIPTION":"ATON/Advanced Notice of Change\n\nFrom: 2026-04-28 To: 2027-01-01\n\nLocation:\n42-30-55.332N/082-41-09.708W\n\nAid Name: St. Clair Cut-Off Channel Lighted Buoy 32\nLLNR: 8600\n\nAction: CHANGE\nAction Type Change Aid Subtype\nDescription: The Coast Guard will be replacing the lighted steel buoy and associated seasonal winter mark with a year-round spar buoy. The buoy hull will remain on station year-round, with the lantern seasonally removed during the winter months versus replacement with a steel ice hull. While the change will marginally reduce the visual and radar range of the physical hull, the benefits of greater flexibility in availability of a lighted signal in nearshore areas and the proximity of fixed aids to navigation, were taken into consideration. The lighted characteristics of the aid and the assigned seasonal dates published in the Light List will remain unchanged. Any questions or comments can be sent to Mr. Brian Hawkins, the Federal Aids to Navigation Manager at the Coast Guard Great Lakes District via email at Brian.D.Hawkins2@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.68603,42.51537]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.68603,"DECIMAL_LATITUDE":42.51537,"AID_UID":100117099742,"AID_NAME":"St. Clair Cut-Off Channel Lighted Buoy 32","AID_TYPE":"FD","PRIMARY_LIGHT_LIST_NUMBER":8600,"COLOR":"R","DESCRIPTION_TYPE":"LB"}}]}