The Argosy came from the Air Ministry “Operational Requirement 323” (OR323) which resulted in a specification issued in 1955 for a medium-range freight aircraft capable of lifting 25,000 lb (11,340 kg) and that had a range of 2,000 mi (3,200 km) with 10,000 lb (4,500 kg). This led AW to develop a twin-engine design for the military, the AW.66. The potential … Continue reading Development and design