The RAF Air Historical Branch also published a couple of cracking pics to celebrate the Chipmunk 70th ...
Proper 'Blue' Flying Suits, the 'Grubby Yellow' Life Preserver and the 'Blue' 4 Point Seat Harness
Image Credit : MOD RAF AHB
Formation aerobatics from the 'Blue Chips' July 1971
Image Credit : MOD RAF AHB