His own defence asked for a ruling on whether he even had a defence, this was not the CPS who "fiddled" him, it was his defence. - again its in the transcript.
He can claim asylum on the boat and when interviewed in the UK - he did neither.
Regarding the PIN - They probably just wanted to check he had Grinder on it, to back up his claim.
Its really sad that the gangs who charge 5k a pop, pay the skipper 200 quid to drive them across the pond. Typical of the low pay, in the commercial skippering business (still more than I used to get per day).