The NA-64 Yale is a close relative of the more famous Harvard, but with some obvious differences and a few quirks of its own. Dave Unwin describes flying the UK-based Yale, a rare airworthy example of this wartime trainer

The blades turn faster and faster as the big round engine rumbles into raucous life. There’s a Spitfire in the circuit and a Hurricane taxiing past, but any truly knowledgeable warbird aficionado knows that the most interesting aeroplane on the airfield today is the one I’ve just started, as it’s the only NA-64 in Europe!