I can’t help with your question, but it does remind me of a tale my dad used to tell. He was an admin officer at the Aircrew Selection Centre when it was at Hornchurch. He used to fly quite a bit in the based aircraft, mainly Chipmunks and Ansons. There were a couple of Mossies on the station (No 2 CAACU, I think) and he could have got a flight in one, but “never got round to it”. Of course in later life he wished he had!