atb1943: As I always used to say to my colleague, friend and mentor James Gilbert — former owner/publisher/editor of 'Pilot' magazine — when he accused me (in the nicest possible way) of 'knowing everything': "I don't know much, I just know where to look to find out." Must confess, though, that I've reached that pre-senility point in life where I can remember with great clarity inconsequential trivia from 40+ years ago (like the colour and former N-number of DC's 210) but am hard-pressed to recall just what it was I did yesterday…
Now, Proctor 'GTC. Yes, indeed, it was the Percival demonstrator at Farnborough 1949 (and, Miles fans, there were two Marathons there that year, one the twin Mamba-engined Mark 2). There's a three-view drawing of it in John Silvester's superb book 'Percival & Hunting Aircraft'. According to the records 'GTC was destroyed in a crash on a beach near Malaga on 2 May 1959.