This one comes up often. Does anybody have a reference as to why an instructor doing an FAA BFR in a G-reg needs to have a JAA Instructor Rating?
That is, assuming the BFR candidate has not yet expired therefore he can be legally PIC.
I know the JAA FI rating is required to accept money in UK airspace (ANO article 26 I think) so one would either have to not pay the instructor for the flying, or fly outside the UK FIR first.
But apart from the above, I can't see why an FAA CFI only cannot do a BFR in a G-reg.
To the original question: There are a fair few people flying G-reg on FAA PPLs but I think most of them are FAA IR holders. The ability to fly a G-reg on any ICAO PPL has not been general knowledge at all, and still isn't.