Description The XF-11 was a prototype military reconnaissance aircraft, designed and flown by eccentric millionaire Howard Hughes for the United States Army Air Force. Despite promise, the XF-11 suffered a disasterous crash that nearly took the life of its designer who acted as a test pilot. The program never recovered from this setback. Sizes & Weights Length: 65 ft 5 in (19.94 m) Height: 23 ft 2 in (7.06 m) Wingspan: 101 ft 4 in (30.89 m) Wing area: 983 ft² (91.3 m²) Empty: 37,100 lb (16,800 kg) Maximum takeoff: 58,300 lb (26,400 kg) Performance Data Maximum speed: 450 mph (720 km/h) Range: 5,000 miles (8,000 km) Service ceiling: 44,000 ft (13,415 m) Propulsion Powerplant: 2x Pratt & Whitney R4360-31 radials, 3,000 hp (2,240 kW) each
