Vickers Viscount

The Vickers Viscount was a British medium-range turboprop airliner first flown in 1948 by Vickers-Armstrongs, the first such aircraft to enter service in the world. A product of the Brabazon Committee, it used a new form of propulsion, the turboprop engine, replacing the conventional piston engine.

The Viscount was well received by the public for its cabin conditions, which included pressurisation, reductions in vibration and noise, and panoramic windows. It became one of the most successful and profitable of the first post-war transport aircraft; 445 Viscounts were built for a range of international customers, including in North America.

Development

Origins

The Viscount was a response to the Brabazon Committee's Type II design for a post-war small medium-range pressurised aircraft to fly less-travelled routes, carrying 24 passengers up to 1,750 mi (2,816 km) at 200 mph (320 km/h). During discussions between the committee and Vickers' chief designer, Rex Pierson, Vickers advocated turboprop power. The committee was not convinced and split the specification into two types, the Type IIA using piston power, which led to the Airspeed Ambassador, and the turboprop-powered Type IIB which Vickers was selected to develop in April 1945.British European Airways (BEA) was involved in the design and asked that the aircraft carry 32 passengers instead, but remained otherwise similar.