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Join the Air ForceInformation > Factsheets > C-20                               C-20Posted                                 5/12/2006 Printable Fact SheetPhotosDownload                                 HiResMission The                                 C-20 is a twin-engine, turbofan aircraft                                 acquired to fill the airlift mission for                                 high-ranking government and Department of                                 Defense officials. The 89th Airlift Wing,                                 Andrews Air Force Base, Md., operates five                                 C-20B's for worldwide special air missions. The                                 86th Airlift Wing, Ramstein Air Base, Germany,                                 operates two C-20H's for operational support                                 airlift                                 missions. Features                                 Two Rolls Royce Spey Mark 511-8 engines                                 power the C-20B models. The primary difference                                 between the C-20B and H model is the electrical                                 system, engines, and the avionics package. Two                                 Rolls Royce Tay Mark 611-8 engines power the                                 C-20H. The Tay Mark 611-8 engines provide                                 greater performance, greater range and are                                 reduced noise signature than the B model. The                                 C-20H is also slightly longer than the B model,                                 and has an upgraded avionics package and                                 interior. Worldwide secure and                                 non-secure  passenger communication                                 capability exists on both                                 aircraft. Background                                 The C-20A/B, military versions of the                                 Gulfstream III, was chosen in June 1983 as the                                 replacement aircraft for the C-140B Jetstar.                                 Three A models were delivered to the 89th                                 Airlift Wing under a cost-saving accelerated                                 purchase plan. Upon delivery of the C-20B's,                                 Andrews transferred the three C-20A's to                                 Ramstein Air Base and all C-140B's at both                                 locations were phased out of the U.S. Air Force                                 inventory. In 1992, Gulfstream delivered their                                 latest model, the C-20H (Gulfstream IV) to                                 Andrews AFB. In 2002, the C-20A was selected for                                 decommissioning and two C-20Hs at Andrews were                                 transferred to Ramstein. General                                 Characteristics Primary                                 Function: C-20B/H,                                 special air and operational support airlift                                 missions Builder:                                 Gulfstream Aerospace Corp. Power                                 Plant: C-20B, two                                 Rolls-Royce Spey Mark 511-8 turbofan                                 engines;C-20H, two Rolls-Royce                                 Tay Mark 611-8 turbofan engines                                 Thrust: C-20B, 11,400                                 pounds each engine; C-20H,                                 13,850 pounds each engine Length:                                 C-20B, 83 feet, 2 inches (25.4 meters);                                 C-20H, 88 feet, 4 inches (26.9                                 meters) Height: 24 feet, 6                                 inches (7.5 meters)                                 Wingspan: 77 feet, 10                                 inches (23.7 meters) Speed:                                 576 mph (501 nautical miles per hour) maximum                                 Maximum Takeoff Weight:                                 C-20B, 69,700 pounds (31,610                                 kilograms); C-20H, 74,600                                 pounds (33,832 kilograms)                                 Range:                                 C-20B, 4,250 miles (3,698                                 nautical miles) long-range;                                 C-20H, 4,850 miles (4,220                                 nautical miles) long range                                 Ceiling: 45,000 feet                                 (13,716 meters) Load: 12                                 passengers Unit Cost: All                                 models, $29.4 (fiscal 1998 constant dollars)                                 Crew: Five (pilot, copilot,                                 flight engineer, communication system operator,                                 flight attendant) Date                                 Deployed: C-20B, 1988;                                 C-20H, 1992                                 Inventory:                                 C-20B, Active force, 5; ANG, 0;                                 Reserve, 0 C-20H, Active                                 force, 2; ANG, 0; Reserve, 0Point of                                 ContactAir Mobility                                 Command, Public Affairs Office; 503 Ward                                 Drive Ste 214, Scott AFB, IL 62225-5335, DSN                                 779-7843 or (618) 229-7843. 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