I remeber a bit from 'Aeroplane Affair' wher John is in the back seat of a 2-seat Spitfire being flown by Viv Bellamy. His only view of Viv was the back of his head trough a hole in the panel where an instrument should have been. The Spit's engine stopped just after take off, and John recounts just how much one can deduce from the back of someone's head - the initial surprise, then the realisation that it's happenend, then the frantic "what the hell's happened" as Viv's hands and eyes whizzed around the cockpit 'till he found the cause - a fuel mis-selection - then the releief whenthey were happily climbing away again.
SSD