Is it worth returning my radios for new MMSI numbers

I did read what you said Paul.
It is actually possible to move the VHF from "oldboat" to "newboat", as well as the call sign.
The Ofcom guidance clearly says that you cannot transfer the call sign or the MMSI from one vessel to another. That is 4.4 in the bit I quoted. 4.6 states what you must do if you wish to move a radio from one boat to another.

But I really don't want to get into an argument about whether or not Ofcom is telling lies.

EDIT
I see that ithet has spotted the discrepancy - "can" = "able to" and "may not" (4.4) and "must" (4.6)=the law.
 
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I got away with the same, had an old radio that could be cleared of mmsi so relicenced the boat in mrs name for new mmsi for old boat, changed radio over and amended original licence with new boat description along with cg66, boats were similar though.
Not how it should be done but I got to keep my easy 4 letter callsign that I'd only just memorised.
 
I did read what you said Paul. The Ofcom guidance clearly says that you cannot transfer the call sign or the MMSI from one vessel to another. That is 4.4 in the bit I quoted. 4.6 states what you must do if you wish to move a radio from one boat to another.

But I really don't want to get into an argument about whether or not Ofcom is telling lies.

EDIT
I see that ithet has spotted the discrepancy - "can" = "able to" and "may not" (4.4) and "must" (4.6)=the law.

Ofcom don't provide an official method of transferring the MMSI and call sign to your new boat Andy. But, the licensing system allows you to amend a license. So you can amend the vessel name, type, LOA, displacement etc so that the details on the license now match those of the new boat. Change the CG66 too and everything is good, no confusion can be caused.

The old boat will now not have a call sign or MMSI, these will be allocated when the new owner applies for a new license. Or, you could fit a cheap radio and register it all before you sell the boat.

This is useful if you want to keep the call sign, or even more useful if your boat has a expensive VHF that you want to keep.

Like i said, no doubt it's not how Ofcom want us to do it, but it works.
 
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I had a similar problem here in the UK. I rang the VHF maker HQ in Kent (Icom) and a technician took me through reprogramming over the phone. Not sure about Singapore.
 
I had a Garmin and luckily the Garmin HQ outside Southampton is convenient for me. I took the radio in and they cleared the MMSI in 5 min, no charge.
 
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