Lockheed Blackbird (SR71)

General characteristics * Crew: 2 * Payload: 3,500 lb (1,600 kg) of sensors * Length: 107 ft 5 in (32.74 m) * Wingspan: 55 ft 7 in (16.94 m) * Height: 18 ft 6 in (5.64 m) * Wing area: 1,800 ft2 (170 m2) * Empty weight: 67,500 lb (30,600 kg) * Loaded weight: 170,000 lb (77,000 kg) * Max takeoff weight: 172,000 lb (78,000 kg) * Powerplant: 2× Pratt & Whitney J58-1 continuous-bleed afterburning turbojets, 32,500 lbf (145 kN) each * Wheel track: 16 ft 8 in (5.08 m) * Wheel base: 37 ft 10 in (11.53 m) * Aspect ratio: 1.7 Performance * Maximum speed: Mach 3.2+ (2,200+ mph, 3,530+ km/h) at 80,000 ft (24,000 m) * Range: 2,900 nmi (5,400 km) * Ferry range: 3,200 nmi (5,925 km) * Service ceiling 85,000 ft (25,900 m) * Rate of climb: 11,810 ft/min (60 m/s) * Wing loading: 94 lb/ft2 (460 kg/m2) * Thrust/weight: 0.382