Lockheed SR-71A Blackbird Technical Specifications
Service Year: 1966
Type: High-Altitude, High-Speed Reconnaissance Aircraft
National Origin: United States
Manufacturer(s): Lockheed Skunkworks, Lockheed Corporation - USA
Production Total: 32
Structural (Crew Space, Dimensions and Weights)
Operating Crew (Typical): 2
Overall Length: 107.41 feet (32.74 meters)
Overall Width: 55.58 feet (16.94 meters)
Overall Height: 18.50 feet (5.64 meters)
Weight (Empty): 67,506 lb (30,620 kg)
Weight (MTOW): 172,005 lb (78,020 kg)
Installed Power and Standard Day Performance
Propulsion: 2 x Pratt & Whitney J58-1 continuous-bleed, afterburning turbo-ramjets developing 32,500 lb of thrust.
Maximum Speed: 2,274 mph (3,660 kph; 1,976 knots)
Maximum Range: 3,682 miles (5,925 km)
Service Ceiling: 85,007 feet (25,910 meters; 16.10 miles)
Rate-of-Climb: 11,820 feet-per-minute (3,603 m/min)
Armament / Mission Payload
None. Internal provisioning limited to reconnaissance and surveillance equipment.
Global Operators / Customers
Model Variants (Including Prototypes)
A-12 - Precursor Model to the SR-71
M-21 - A-12 with DB-21 autonomous surveillance drone mounted atop fuselage.
M/D-21 - Designation of M-21 when mated with the DB-21 drone.
SR-71A - Base Production Model; 30 examples produced.
SR-71B - Two-seat trainer conversions; 2 examples produced.
SR-71C - Interesting conversion of a surviving aft-section of an ill-fated YF-12 with a SR-71 forward section. Only one of this type was produced.