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*** Special Notice: *** Please be advised that our mailing address has changed and is now: U.S. Coast Guard Navigation Center, NAVCEN MS 7310, 7323 Telegraph Road, Alexandria, VA 20598 - 7310. Mail sent to our previous address will not be delivered. Please contact us with concerns or questions. Our physical location remains the same. Thank you for your attention to this matter.
Electronic Navigation
Primary Mission Areas:
Maritime Information:
ENAV REFERENCE INFORMATION The U.S. Coast Guard Navigation Center provides these links and pointers solely for our users' information and convenience. The links are not under the control, nor are the responsibility of the Navigation Center, nor the U.S. Coast Guard:
  • International Association of Marine Aids to Navigation and and Lighthouse Authorities (IALA): http://www.iala-aism.org/ - an international, non-governmental technical association charged with fostering the safety and efficient navigation of vessels through improvement and harmonization of aids to navigation worldwide. See a description paper...
  • U.S. Institute of Navigation: http://www.ion.org