Hawker Siddeley HS 748 Paper ended most military manned-aircraft development in the UK, and Avro decided to re-enter the civilian market. The Vickers Viscount had the larger end of the short-haul market, and Avro therefore decided to design a smaller regional airliner powered by two Rolls-Royce Dart turboprop engines, intended to replace the many DC-3 Dakotas that were by then reaching the end of their economic lifespan. Original plans were for a 20–30 seat aircraft with a similar configuration to the Fokker F27, but talks with potential customers soon led to a low-wing 40-seat design being chosen for the 748 project. Avro was not
Vickers Valetta Vickers Valetta The Vickers Valetta is a British twin-engine military transport aircraft of the late 1940s. It was an all-metal mid-wing monoplane with a tailwheel undercarriage. The Valetta was a military transport development of the Viking civil airliner. The 58th Viking (c/n 158) became the prototype Valetta, which was first flown from Brooklands by test pilot Mutt Summers on 30 June 1947. The Valetta differed from the Viking fundamentally in being fitted with more powerful engines, a strengthened floor and large loading doors. Although named after the Maltese capital Valletta, the aircraft name is spelt with only one "l". The