 For a complete list of the aircraft which competed in the competitions, see Schneider Trophy aircraft.In 1981 the race was revived, in name if not in concept, by the Royal Aero Club of Great Britain to commemorate the 50th anniversary of Britain's ultimate retention of the Trophy.The original Trophy remained in the Science Museum, and a full-size replica was cast and the race opened on a handicapped basis to any propeller–driven landplane capable of maintaining in straight and level flight, and weighing up to Pilots also had to have a minimum of 100 hours as pilot-in-command, and a valid air racing licence.