There's a very effective group called PPL/IR Europe that you should take a look at:
www.pplir.org
I'm sure that that they will be able to help you.
Do expect to arrive at Deauville with a need to make an approach down to minimums, even if the forecast conditions were cavok when you left Booker..... I have been caught out a couple of times now by the rapidly expanding sea fog! Plan for the worst and you can't go wrong.