I understand that one proposed scheme is roughly as follows:-
I get an FAA IR, in addition to my existing CAA PPL+IMC rating
I can legally fly a G reg aircraft in UK or France, on either of those licences
Therefore I can legally fly a G reg A/c, from UK to France, & back, all in IMC, as follows:-
Take off in UK to the FIR boundary, exercising the privileges of my CAA licence
From FIR boundary to landing in France, using the privileges of my FAA licence.
OK Folks ..... Pick holes in that idea, please! 