Farnborough Airshow 1958, the Fairey Rotodyne was the star attraction, with its “tip-jet” powered rotors, transitioning from an helicopter vertical takeoff and hover to autogiro flight, exceeding helicopter speeds. In 1962, the last time it was held annually, the Hawker P.1127, the VTOL precursor to the Harrier jump jet, made its debut, like the corporate de Havilland DH.125 Jet Dragon, the de Havilland Trident and Vickers VC10 airliners. From 1966, foreign aircraft were allowed if that they had British major components, like the Rolls-Royce-powered Aermacchi MB-326 trainer and Fokker F27 turboprop airliner, as the Red Arrows, the RAF aerobatic display team, debuted
Power take-off case of a marine application, such shafts may be used to power fire pumps. In aircraft applications, such an accessory drive may be used in conjunction with a constant speed drive. Jet aircraft have four types of PTO units: internal gearbox, external gearbox, radial drive shaft, and bleed air, which are used to power engine accessories. In some cases, aircraft power take-off systems also provide for putting power "into" the engine during engine start. See also Coffman starter Various power transmission methods were available before power takeoffs became common, but there were applications left wanting for some of the attributes