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General Characteristics
Primary Function: Signals Intelligence (SIGINT) reconnaissance aircraft.
Contractor: Lockheed Martin Aeronautical Systems Company.
Unit Cost: $36 million.
Propulsion: Four Allison T-56-A-14 turboprop engines (4,900 shaft horsepower each).
Length: 116 feet 7 inches (35.57 meters).
Height: 33 feet 7 inches (10.27 meters).
Wingspan: 99 feet 6 inches (30.36 meters).
Weight: Max gross take-off: 139,760 pounds (63,394.1 kg).
Airspeed: 411 knots (466 mph, 745 kph); cruise - 328 knots (403 mph, 644 kph).
Ceiling: 28,300 feet (8,625.84 meters).
Range: Maximum mission range - 2,380 nautical miles (2,738.9 miles); for three hours on station @1,500 feet - 1,346 nautical miles (1,548.97 miles).
Crew: 22+
 
Last Update: 3 December 2018