Specifications (SR-71A)

Data from SR-71.org^[77]

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, 1,900+ knots) 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