General Characteristics
Primary Function: Aerial tanker and transport
Contractor: The Boeing Company
Power Plant: Three General Electric CF6-50C2 turbofans
Thrust: 52,500 pounds, each engine
Length: 181 feet, 7 inches (54.4 meters)
Height: 58 feet, 1 inch (17.4 meters)
Wingspan: 165 feet, 4.5 inches (50 meters)
Speed: 619 mph (Mach 0.825)
Ceiling: 42,000 feet (12,727 meters)
Maximum Takeoff Weight: 590,000 pounds (265,500 kilograms)
Range: 4,400 miles (3,800 nautical miles) with cargo; 11,500 miles (10,000 nautical miles) without cargo
Maximum Cargo Payload: 170,000 pounds (76,560 kilograms)
Pallet Positions: 27
Maximum Fuel Load: 356,000 pounds (160,200 kilograms)
Crew: Four (pilot, co-pilot, flight engineer and boom operator) Certain missions may require additional crew members. In aeromedical evacuation missions, a basic crew of five (two flight nurses and three medical technicians) is added. Medical crew may be altered as required.
Unit Cost: $88.4 million (fiscal 1998 constant dollars)
Date Deployed: March 1981