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Old 23-05-2009, 02:56   #16
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Have just purhased a new VHF radio am now installing it, the manual says that I only have two times to enter a MMSI number after which it must be sent to the manufacturer for service.

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Old 23-05-2009, 07:01   #17
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BEWARE! All MMSI numbers are not created equal. Those issued by, e.g., Boat U.S. are NOT the same as those issued when you apply for an FCC station license for your boat. Also, they are not registered in the international list of MMSI numbers.

I had to change mine, having first programmed into my VHF an MMSI number issued by Boat U.S. My VHF (Standard Horizon) only allows you two chances, so when I programmed in the new FCC-issued MMSI number I did it VERY CAREFULLY. A mistake would have meant I've have had to send the radio back to a dealer or the factory service center for programming.

My advice is if you contemplate applying for a station license (e.g., if you're going abroad or are going to fit an SSB radio aboard), get the MMSI number from the FCC, not from Boat U.S.


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Old 05-08-2017, 23:41   #18
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Re: MMSI Number & Change in Boat Ownership

Bit f thread digging and trying to do the correct thing, but,
I recently 12 months ago) bought a boat that did have a Singapore MMSI, and I assume a Singapore based AIS and VHF DSC callsign, the previous owner, after a degree of difficulty and a fair bit of angst, got the vessel registered in his homeland, ( Canada) with a new MMSI, number, and had a new VHF callsign allocated.

Three years on, the vessel is now in Australia,, do I need to change the MMSI and callsign?
Reading the documentation, and what is involved, ie removing the VHF unit, and AIS, sending these to various places?, to get reprogrammed, etc etc, seems to be a rather involved process.
What happens if I just leave it all "as is"?
Everything seems to work ok, so far.

Absolute newbie, but diving in with eyes wide shut!
Brisbane Australia
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