CF-FHY
Another fun read..
We had a Chipmunk in for C of A in 72/3? at Shipdam and I fitted new u/c bushes among other work. It looked a bit different to normal and I was told it was the original DHC evaluation a/c for the RAF. So that would have been CF-FHY? For reasons I can't remember, the air test was not by one of our pilots, but the guy who did it said he had flown 22 different 'types' and this was by far the nicest. I managed a quick PX in it and a short 'clutch'.
Andrew