They have done this previously at a number of the "finals" events in the past and at Cowes last year ....
So .. it is not a basic in that non RYA registered boats cannot enter
It is not a National in that the points (or not) achieved during the racing do not go towards the RYA national championship.
On that basis, if you are not concerned about the "Cardiff Series" ... i.e. the accumulated points from all 3 races, then speak to John to find out if someone could navigate for you in the third race using a day licence. I don't know the answer unfortunately
The Sunday is a lay day for the National race tho just in case Ivan the Terrible
decides to play havoc with the weather