When leaving the UK it is now necessary to notify the Uk borderforce team of one’s intended departure
The govt Border Force have just recently updated the system for reporting entry & departure to simplify the system. This is reported by the RYA here:-
The Border force form can be found on the Govt website here:-
The earlier forms C 1331 & E-C1331 can still be used for now
General details in the link :-
A shorter link to forms C 1331 & E-C1331 here:
Returning to the Uk:-