Or has he done neither, just expressed a vague interest in bringing it to the UK and been told by ‘experts’ that “the CAA will never allow that”?.

Ah, so I am now an ‘armchair expert’, glad to know that. However I have more experience of this very problem than anyone who wishes to remain sane should ever have to put up with. Experience, what you get when you deal with real aeroplane and real situation. Oh, obviously from my armchair.