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C-123K Provider

First Flight

October 14, 1949


Vietnam Hangar Ramp

Dimensions & Capacity

Crew: 4
Capacity: 60 passengers, 50 litters, or 24,000 pounds (11,000 kg) of cargo
Length: 76 ft 3 in (23.24 m)
Wingspan: 110 ft 0 in (33.53 m)
Height: 34 ft 1 in (10.39 m)
Empty weight: 35,366 lb (16,042 kg)
Gross weight: 51,576 lb (23,394 kg)
Max takeoff weight: 60,000 lb (27,216 kg)


Maximum speed: 228 mph (367 km/h, 198 kn) at 10,000 ft (3,048 m)
Cruise speed: 173 mph (278 km/h, 150 kn) maximum at 10,000 ft (3,048 m)
Stall speed: 95 mph (153 km/h, 83 kn) flaps and undercarriage down
Range: 1,035 mi (1,666 km, 899 nmi) with maximum payload


Static Aircraft



Loan Status


The Provider is a short-range assault transport used to airlift troops and cargo onto short runways and unprepared airstrips. Designed by the Chase Aircraft Co., the C-123 evolved from earlier designs for large assault gliders. The first prototype XC-123 made its initial flight on 14 October 1949, powered by two piston engines. A second prototype was built as the XG-20 glider. It was later test flown, powered by four jet engines. The production version, with two piston engines, was designated the C-123B. Chase began manufacture in 1953, but the production contract was transferred to Fairchild. The first of more than 300 Fairchild-built C-123Bs entered service in July 1955. Between 1966 and 1969, 184 C-123Bs were converted to C-123Ks by adding two J85 jet engines for improved performance.

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