Armstrong Whitworth Apollo Armstrong Whitworth Apollo The Armstrong Whitworth AW.55 Apollo was a 1940s British four-engine turboprop airliner built by Armstrong Whitworth at Baginton. The aircraft was in competition with the Vickers Viscount but was beset with engine problems and only two were built. The requirement resulted from the Brabazon Committee's Type II design, calling for a small, medium-range pressurized aircraft to fly its less-travelled routes which became Air Ministry Specification C.16/46 for an aircraft able to carry 24-30 passengers over 1,000 mi (1,610 km) at a cruising speed of . The resulting design was the AW.55 Apollo, a low-wing cantilever monoplane with
United Aircraft Corporation The Tu-204 was succeeded by its variant, the Tu-214. The Ilyushin Il-114 is a turboprop, narrow-body regional airliner developed to replace the Antonov An-24, which most were in service of Aeroflot. However, only 20 were built so far, and only two airlines were using it, so the Il-114's production was temporarily ceased. The Sukhoi Superjet 100 is the first airliner and regional jet airliner that is developed and exported under the UAC brand, by which it was developed by Sukhoi Civil Aircraft, a branch of the UAC. The Sukhoi Superjet 100 was designed to compete with the Antonov An-148, Embraer