C-21A Transport: Aircraft profile

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Mission

The C-21 is a twin turbofan engine aircraft used for cargo and passenger airlift.

C-21A Transport: Air-to-air right side view of the C-21A aircraft in service with the Military Airlift Command (MAC). The aircraft is leased to the Air Force and maintained by Gates Learjet Aircraft Services Corporation, Wichita, Kansas.C-21A Transport: Air-to-air right side view of the C-21A aircraft in service with the Military Airlift Command (MAC). The aircraft is leased to the Air Force and maintained by Gates Learjet Aircraft Services Corporation, Wichita, Kansas.

The aircraft is the military version of the Lear Jet 35A business jet. In addition to providing cargo and passenger airlift, the aircraft is capable of transporting one litter or five ambulatory patients during aeromedical evacuations.

Features

The turbofan engines are pod-mounted on the sides of the rear fuselage. The swept-back wings have hydraulically actuated, single-slotted flaps. The aircraft has a retractable tricycle landing gear, single steerable nose gear and multiple-disc hydraulic brakes.

C-21A Transport: A C-21A aircraft assigned to the 1401st Military Airlift Squadron parked on the flight line.C-21A Transport: A C-21A aircraft assigned to the 1401st Military Airlift Squadron parked on the flight line.

The C-21 can carry eight passengers and 42 cubic feet (1.26 cubic meters) of cargo. The fuel capacity of the C-21 is 931 gallons (3,537.8 liters) with refueling accomplished at ground level through each wingtip tank. The safety and operational capabilities of the C-21 are increased by the autopilot, color weather radar and tactical air navigation system, as well as high frequency, very high frequency and ultra high frequency radios.

The aircraft has a crew of two and may be flown from either cockpit seat. It is equipped with an automatic navigation system to enhance crew efficiency. Four cathode ray tubes display essential information to the pilots.

C-21A Transport: Guests attend a ceremony commemorating the delivery of the first C-21A aircraft to the 1400th Military Airlift Squadron. Flanking the C-21A are two C-12F Huron aircraft.C-21A Transport: Guests attend a ceremony commemorating the delivery of the first C-21A aircraft to the 1400th Military Airlift Squadron. Flanking the C-21A are two C-12F Huron aircraft.

Background

Delivery of the C-21 fleet began in April 1984 and was completed October 1985. DynCorp Technical Services provides full contractor logistics support at seven worldwide locations. C-21s stationed outside the continental United States are assigned to the theater commanders. Air Mobility Command is the lead command for the aircraft.

In April 1997, the majority of continental U.S. based C-21s were consolidated within the 375th Airlift Wing at Scott Air Force Base, Ill., with the National Guard Bureau retaining aircraft at Peterson AFB, Colo., Air Force Flight Standards Agency retaining aircraft at Andrews AFB, Md., and the Air Education and Training Command retaining aircraft at Keesler AFB, Miss.

In January 2007, Program Budget Decision number 720 reduced C-21 operations to 40 aircraft. AMC dissolved C-21 operations at Wright-Patterson AFB, Ohio. U.S. Air Forces in Europe was reduced from 13 to 10, Pacific Air Forces from 4 to 3 and AETC from 5 to 3.

C-21A Transport: A view of the cockpit of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 Saberliner.C-21A Transport: A view of the cockpit of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 Saberliner.

The NGB picked up 16 aircraft for bridge missions at Fargo, N.D. and Bradley Air National Guard Base, Conn., until they receive C-27s. Base Closure and Realignment actions moved the AFFSA from Andrews AFB to Will Rogers World Airport in Oklahoma City, Okla. In June 2007 PACAF divested itself of its three C-21s and the NGB gained three additional C-21s.

General Characteristics

Primary Function: Passenger and cargo airlift
Contractor: Learjet, Inc.
Power Plant: Two Garrett TFE-731-2-2B turbofan engines
Thrust: 3,500 pounds each engine
Maximum Takeoff Weight: 18,300 pounds (8,235 kilograms)
Length: 48 feet, 7 inches (14.71 meters)
Height: 12 feet, 3 inches (3.71 meters)
Wingspan: 39 feet, 6 inches (11.97 meters)
Fuel Capability: 931 gallons (3,537.8 liters) [1,120 gallons (4,256 liters) with ferry tanks]
Speed: 530 mph (Mach 0.81, 461 knots at 41,000 feet (12,496.8 meters)
Range: 2,306 miles (3,689.6 kilometers)
Ceiling: 45,000 feet (13,716 meters)
Maximum Load: : Eight passengers and 3,153 pounds (1,433 kilograms) of cargo, one litter patient or five ambulatory patients.
Crew: Two (pilot and co-pilot); aeromedical evacuation adds medical crew of three (one flight nurse and two medical technicians). Minimal medical crew may be one flight nurse and one medical technician as required
Unit Cost: $3.1 million (fiscal 1996 constant dollars)
Initial operating capability: April 1984
Inventory: Active forces, 35; ANG, 21; Reserve, 0

More photos:

C-21A Transport: A right side view of a C-21A operational support aircraft recently assigned to the Military Airlift Command, as it lands on a runway at Tucson International Airport. The aircraft was built by the Gates Learjet Corporation.C-21A Transport: A right side view of a C-21A operational support aircraft recently assigned to the Military Airlift Command, as it lands on a runway at Tucson International Airport. The aircraft was built by the Gates Learjet Corporation.

C-21A Transport: An interior view of a Military Airlift Command C-21A Learjet aircraft during its rollout at Gates Learjet Corp.C-21A Transport: An interior view of a Military Airlift Command C-21A Learjet aircraft during its rollout at Gates Learjet Corp.

C-21A Transport: An interior view of a Military Airlift Command C-21A Learjet aircraft showing its medical evacuation capabilities.C-21A Transport: An interior view of a Military Airlift Command C-21A Learjet aircraft showing its medical evacuation capabilities.

C-21A Transport: An air-to-air right side view of a Military Airlift Command C-21A Learjet aircraft.C-21A Transport: An air-to-air right side view of a Military Airlift Command C-21A Learjet aircraft.

C-21A Transport side: An air-to-air right side view of a C-21A operational support aircraft built by the Gates Learjet Corporation and recently assigned to the Military Airlift Command.C-21A Transport side: An air-to-air right side view of a C-21A operational support aircraft built by the Gates Learjet Corporation and recently assigned to the Military Airlift Command.

C-21A Transport: An air-to-air underside view of the first C-21A aircraft supplied to the People's Republic of China by Gates Learjet Aircraft Services Corporation, Wichita, Kansas. This aircraft is equipped with geological survey equipment.C-21A Transport: An air-to-air underside view of the first C-21A aircraft supplied to the People's Republic of China by Gates Learjet Aircraft Services Corporation, Wichita, Kansas. This aircraft is equipped with geological survey equipment.

C-21A Transport: Air-to-air right side view of the C-21A aircraft in service with the Military Airlift Command (MAC). The aircraft is leased to the Air Force and maintained by Gates Learjet Aircraft Services Corporation, Wichita, Kansas.C-21A Transport: Air-to-air right side view of the C-21A aircraft in service with the Military Airlift Command (MAC). The aircraft is leased to the Air Force and maintained by Gates Learjet Aircraft Services Corporation, Wichita, Kansas.

C-21A Transport: An air-to-air left side view of a C-21A aircraft assigned to 1401st Military Airlift Squadron.C-21A Transport: An air-to-air left side view of a C-21A aircraft assigned to 1401st Military Airlift Squadron.

C-21A Transport: An air-to-air right underside view of a C-21A aircraft assigned to the 1401st Military Airlift Squadron.C-21A Transport: An air-to-air right underside view of a C-21A aircraft assigned to the 1401st Military Airlift Squadron.

C-21A Transport: A C-21A aircraft assigned to the 1401st Military Airlift Squadron parked on the flight line.C-21A Transport: A C-21A aircraft assigned to the 1401st Military Airlift Squadron parked on the flight line.

C-21A Transport: A view of the cockpit of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 Saberliner.C-21A Transport: A view of the cockpit of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 Saberliner.

C-21A Transport: A view of the cockpit of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 Saberliner.C-21A Transport: A view of the cockpit of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 Saberliner.

C-21A Transport: Right front ground view of a C-21A light transport aircraftC-21A Transport: Right front ground view of a C-21A light transport aircraft

C-21A Transport: An interior view of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 SaberlinerC-21A Transport: An interior view of a C-21A aircraft. The C-12 and the C-21 aircraft will replace the T-39 Saberliner

C-21A Transport: Master Sergeant (MSGT) Joseph Dougherty, 7350th Air Base Group, salutes the crew aboard a C-21A aircraftC-21A Transport: Master Sergeant (MSGT) Joseph Dougherty, 7350th Air Base Group, salutes the crew aboard a C-21A aircraft

C-21A Transport: Right front ground view of a C-21A light transport aircraftC-21A Transport: Right front ground view of a C-21A light transport aircraft

C-21A Transport: Austin (Ray) Lewis installs the seats in the newly arrived C-21 aircraft. Assigned to the 1403rd Military Airlift Squadron, the planes will be responsible for transporting people and high priority cargo throughout the Northwest Pacific.C-21A Transport: Austin (Ray) Lewis installs the seats in the newly arrived C-21 aircraft. Assigned to the 1403rd Military Airlift Squadron, the planes will be responsible for transporting people and high priority cargo throughout the Northwest Pacific.

C-21A Transport: An air-to-air right front view of a C-21A aircraft from the 1375th Flying Training SquadronC-21A Transport: An air-to-air right front view of a C-21A aircraft from the 1375th Flying Training Squadron

C-21A Transport: An air-to-air right front view of a C-21A aircraft from the 1375th Flying Training Squadron.C-21A Transport: An air-to-air right front view of a C-21A aircraft from the 1375th Flying Training Squadron.

C-21A Transport: Air to air side view of a 375th Military Airlift Wing's C-21 Lear support airlift aircraft flying over the Mississippi River and past the St. Louis Arch landmarkC-21A Transport: Air to air side view of a 375th Military Airlift Wing's C-21 Lear support airlift aircraft flying over the Mississippi River and past the St. Louis Arch landmark

C-21A Transport: Air to air view of a 375th Airlift Wing, Scott AFB, Illinois C-21 Lear jets takes off from Scott AFB, Illinois.C-21A Transport: Air to air view of a 375th Airlift Wing, Scott AFB, Illinois C-21 Lear jets takes off from Scott AFB, Illinois.

C-21A Transport: Guests attend a ceremony commemorating the delivery of the first C-21A aircraft to the 1400th Military Airlift Squadron. Flanking the C-21A are two C-12F Huron aircraft.C-21A Transport: Guests attend a ceremony commemorating the delivery of the first C-21A aircraft to the 1400th Military Airlift Squadron. Flanking the C-21A are two C-12F Huron aircraft.

C-21A Transport: An interior view of the first C-21A aircraft delivered to the 1400th Military Airlift Squadron. The aircraft is configured with beds for emergency medical transport.C-21A Transport: An interior view of the first C-21A aircraft delivered to the 1400th Military Airlift Squadron. The aircraft is configured with beds for emergency medical transport.

C-21A Transport: An interior view of the first C-21A aircraft delivered to the 1400th Military Airlift Squadron.C-21A Transport: An interior view of the first C-21A aircraft delivered to the 1400th Military Airlift Squadron.

C-21A Transport: A left front view of a Military Airlift Command C-21A Learjet aircraft parked inside its hangar prior to the rollout ceremony at Gates-Learjet Corp.C-21A Transport: A left front view of a Military Airlift Command C-21A Learjet aircraft parked inside its hangar prior to the rollout ceremony at Gates-Learjet Corp.

C-21A Transport: A left front view of a Military Airlift Command C-21A Learjet aircraft as the pilot taxis onto a ramp in preparation for the rollout at Gates-Learjet Corp.C-21A Transport: A left front view of a Military Airlift Command C-21A Learjet aircraft as the pilot taxis onto a ramp in preparation for the rollout at Gates-Learjet Corp.

C-21A Transport: The C-21 aircraft arrives at the base becoming a part of the 1403rd Military Airlift Squadron. The planes will be responsible for transporting people and high priority cargo throughout the Northwest Pacific.C-21A Transport: The C-21 aircraft arrives at the base becoming a part of the 1403rd Military Airlift Squadron. The planes will be responsible for transporting people and high priority cargo throughout the Northwest Pacific.

C-21A Transport: An air-to-air left side view of a C-21 aircraft and a C-12 Huron aircraft over the Washington Monument in the background. Both planes are assigned to the 1402nd Military Airlift SquadronC-21A Transport: An air-to-air left side view of a C-21 aircraft and a C-12 Huron aircraft over the Washington Monument in the background. Both planes are assigned to the 1402nd Military Airlift Squadron

C-21A Transport: An air-to-air left side view of a C-21 aircraft and a C-12 Huron aircraft, both of the 1402nd Military Airlift Squadron. The planes are in flight over the Potomac River at Hains PointC-21A Transport: An air-to-air left side view of a C-21 aircraft and a C-12 Huron aircraft, both of the 1402nd Military Airlift Squadron. The planes are in flight over the Potomac River at Hains Point

C-21A Transport: A C-21A aircraft assigned to Detachment 4, 1402nd Military Airlift Squadron, parallels the Gulf Coast during a flight out of Eglin Air Force Base, FloridaC-21A Transport: A C-21A aircraft assigned to Detachment 4, 1402nd Military Airlift Squadron, parallels the Gulf Coast during a flight out of Eglin Air Force Base, Florida

C-21A Transport: A C-21A aircraft assigned to Detachment 4, 1402nd Military Airlift Squadron, passes over the Gulf Coast during a flight out of Eglin Air Force Base, FloridaC-21A Transport: A C-21A aircraft assigned to Detachment 4, 1402nd Military Airlift Squadron, passes over the Gulf Coast during a flight out of Eglin Air Force Base, Florida

C-21A Transport: An air-to-air, front view of a McDonnell Douglas built C-9A Nightingale aircraft leading a formation that includes (left) a C-21A and a C-12F over the ramps and runways of Scott. All aircraft are assigned to the 375th Airlift Wing, Air Mobility CommandC-21A Transport: An air-to-air, front view of a McDonnell Douglas built C-9A Nightingale aircraft leading a formation that includes (left) a C-21A and a C-12F over the ramps and runways of Scott. All aircraft are assigned to the 375th Airlift Wing, Air Mobility Command

C-21A Transport: A three quarter front view of a Lear Jet-built C-21A from the 375th Airlift Wing, Air Mobility Command inflight near it's home base.C-21A Transport: A three quarter front view of a Lear Jet-built C-21A from the 375th Airlift Wing, Air Mobility Command inflight near it's home base.

C-21A Transport: A three quarter front view of a Learjet-built C-21A aircraft from the 375th Airlift Wing, Air Mobility Command inflight near its home base.C-21A Transport: A three quarter front view of a Learjet-built C-21A aircraft from the 375th Airlift Wing, Air Mobility Command inflight near its home base.

C-21A Transport: An air-to-air, three quarter, high front view of a Lear Jet built C-21A aircraft as it prepares to touchdown, land, at the base. The C-21A is assigned to the 375th Airlift Wing, Air Mobility Command.C-21A Transport: An air-to-air, three quarter, high front view of a Lear Jet built C-21A aircraft as it prepares to touchdown, land, at the base. The C-21A is assigned to the 375th Airlift Wing, Air Mobility Command.

More photos: C-21A Transport photo gallery

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