Turboprop on 20 September 1945. From their experience with the Trent, Rolls-Royce developed the Rolls-Royce Clyde, the first turboprop engine to be fully type certificated for military and civil use, and the Dart, which became one of the most reliable turboprop engines ever built. Dart production continued for more than fifty years. The Dart-powered Vickers Viscount was the first turboprop aircraft of any kind to go into production and sold in large numbers. It was also the first four-engined turboprop. Its first flight was on 16 July 1948. The world's first single engined turboprop aircraft was the Armstrong Siddeley Mamba-powered Boulton
1953 Nutts Corner BEA Vickers Viking accident 1953 Nutts Corner BEA Vickers Viking accident On 5 January 1953, a Vickers Viking airliner operated by British European Airways crashed on approach to Belfast Nutts Corner Airport, Northern Ireland. The aircraft was on a domestic flight from London Northolt Airport with 31 passengers and 4 crew on board. Twenty-four of the passengers and three crew members died in the accident. The Vickers Type 610 Viking 1B airliner, powered by two Bristol Hercules 634 14-cylinder radial engines, was registered G-AJDL with manufacturer's serial number 262. It was delivered to British European Airways in March 1949. Originally named "Vortex" by the