Armstrong Whitworth Apollo Department at RAE Farnborough. The aircraft fuselage was used at Farnborough for water tank pressure testing until it was scrapped in the 1970s. 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
Canadian Vickers Vigil Canadian Vickers Vigil The Canadian Vickers Vigil was a single-seat patrol aircraft designed to meet a Royal Canadian Air Force requirement for a forest fire patrol aircraft. In 1926, the RCAF issued specifications for an aircraft to replace the Airco DH.4 aircraft used at the time. Canadian Vickers designed the Vigil which had steel-structured wings with aluminum skin throughout, and was a strut-braced sesquiplane. The aircraft was overweight, which impacted the aircraft service ceiling and performance, which in turn made it unsuitable for its role. Only one was ever built. Unfit for its intended role, the aircraft was sent to