What is this plate?

[SimonA]

My boat has this plate with numbers on it, does anyone know what it means and what it was for?

 

[Whitelighter]

It's the carving and marking plate from the registry. It means the boat is (or was/should be) registered on the Part 1 of the British Registry.

The Official Number (O/N) is 365901 and the Registered Tonnage is 5 and 1/100th

 

[SimonA]

That was quick, thank you.

 

[RobWales]

May help if you give more detail on the boat, make model etc?
however I'll take a stab at it being the manufacturer's hull I'd number....

 

[Whitelighter]

That was quick, thank you.

If you don't have a Part 1 cert in your name it would be worth contacting the registry and requesting a transcript for that number

 

[SimonA]

If you don't have a Part 1 cert in your name it would be worth contacting the registry and requesting a transcript for that number

It's an old boat, 1975, do you think they'd still have it?

 

[Whitelighter]

It's an old boat, 1975, do you think they'd still have it?

They will have a record from the point it was entered onto the registry until the registration wasn't renewed.
It would provide some extra history if nothing else