The Portuguese still run DHC-1s in their Air Force Academy very succesfully. They have Lycoming O-360s in them. The Prtuguese turn theirs upside down but those on the UK register cannot as they have never been trialled. I also fly one of these on the civvy register and I get quite a lot of change from £80 per hour.
Oh, and I believe that 2 FTS under ACTO35 will allow factory built permit to fly LAA aircraft if the documents are presented to them and scrutinised.
The B Word