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[CA] [CA11] Foreign MMSI to U.S. Flagged Boat
02-07-20, 10:01 AM (This post was last modified: 02-07-20 02:22 PM by Chuck - Raymarine - Moderator.)
Post: #1
[CA11] Foreign MMSI to U.S. Flagged Boat
After much research and many calls, here's the question we had, and the solutions below, along with the address for Raymarine in the U.S. for MMSI deletions/replacements:

We purchased a 2012 Lagoon 450 catamaran previously registered with a U.K. MMSI in the British Virgin Islands. All the necessary paperwork has been completed, the boat is now registered in Maryland, a Coast Guard package has been submitted and we just received our official federal number.
We received conflicting responses to our questions about the MMSI # in the AIS, Radio and registering the EPIRB. To make matters worse, the previous owner has moved out of the country to Thailand and is incommunicado! The AIS is working and as of a few moments ago shows up on VesselFinder still as a U.K. vessel (not legal for us to use). Here is what we believe to be the correct information if you also have this issue; I hope it's of some value:


The vessel was BVI flagged and is now US flagged.

The existing Station License and Call Sign are no longer valid. The same is true of the BVI-assigned MMSI number.

None of them can be used legally by a US flagged vessel. They do not need to be cancelled; just don’t use them.

If you still require a Station License and Call Sign, contact FCC for assistance. 1-877-480-3201. They will also issue an appropriate US MMSI number.

If a License is not required, you can obtain a domestic-only US MMSI at!

In either case, the MMSI in the radio will have to be reset, which almost certainly means sending the unit back to the manufacturer.

U.S. East Coast:
Send AIS and VHF to:

9 Townsend West
New Hampshire 03063

Include new MMSI from FCC/Ship's License , Vessel Name and CG Doc number

EPIRB units on US flagged vessels do not use MMSI numbers. They come from the manufacturer with unique pre-assigned 15 character alpha-numeric ID Codes. European units use MMSI numbers, but US EPIRBs do not.

US flagged vessels’ EPIRBs must be registered with NOAA (Suitland, MD 888-212-7283) and should include a reference to the vessel’s MMSI.

Satisfy all the US requirements and keep good written records; you’ll need them later.

Best regards,
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[CA11] Foreign MMSI to U.S. Flagged Boat - LeeV - 02-07-20 10:01 AM

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