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AMST Prototypes: YC-14 and YC-15
Official Designation YC-15
Tail Number 72-1875
Primary Role STOL transport (prototype)
National Origin USA
Original Contractor McDonnell Douglas
Operator United States Air Force
Wingspan 132 feet, 7 inches (40.42m)
Length 124 feet, 3 inches (37.86m)
Height at Tail 43 feet, 4 inches (13.18m)
Armament None
Engines Four Pratt & Whitney JT8D-17 turbofans
Thrust 16,000 pounds (71kN) per engine
Cruise Speed 543 mph (872km/h)
Max Speed 590 mph (949km/h)
Range Unknown
Service Ceiling 30,000 feet (9,144m)
Operating Weight 117,400 lbs (53,252kg)
Max Payload (STOL) 27,000 lbs (12,247kg) @ 3Gs
Max Payload 62,000 lbs (28,128kg) @ 3Gs
Max Takeoff Weight (STOL) 154,568 lbs (70,111kg)
Max Takeoff Weight 216,680 lbs (98,284kg)
Takeoff/Landing Distances Less than 2000 feet (610m)
Basic Crew Three
Date Deployed August 1975
Production Two aircraft
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