McDonnell/Douglas Aircraft

The Douglas C-133 Cargomaster is an American large turboprop cargo aircraft built between 1956 and 1961 by the Douglas Aircraft Company.

Douglas C-133 Cargomaster


The C-133 was designed to meet the requirements for the USAF's Logistic Carrier Support System SS402L for a new strategic transport. The aircraft differed considerably from the C-74 Globemaster and C-124 Globemaster IIs that had preceded it. A high-mounted wing, external blister fairings on each side for the landing gear, and rear-loading and side-loading doors ensured that access to, and the volume of, the large cargo compartment were not compromised by these structures. The cargo compartment (90 ft/27 m in length and 12 ft/3.7 m high) was pressurized, heated, and ventilated.


The Cargomasters went directly into production as C-133A; no prototypes were built. The first Cargomaster flew on 23 April 1956. The first C-133As were delivered to the Military Air Transport Service (MATS) in August 1957 and began flying MATS air routes throughout the world. Two C-133s established transatlantic speed records for transport aircraft on their first flights to Europe. The fleet of 50 aircraft proved itself invaluable during the Vietnam War. The Cargomaster soldiered on until the Lockheed C-5 Galaxy entered service in the early 1970s. The C-133 was then retired and most airplanes were cut up within months of being delivered to Davis-Monthan Air Force Base, Tucson, Arizona, after their final flights in 1971.


Fifty aircraft (35 C-133A and 15 C-133B) were constructed and put into service with the USAF. A single C-133A and a C-133B were built and kept at Douglas Long Beach as "test articles". They had no construction numbers or USAF tail numbers.

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Douglas C-133 Cargomaster

The C-133 was for many years the only USAF aircraft capable of hauling very large or very heavy cargo. Despite the Douglas C-124 Globemaster II's capabilities, there was much cargo that it could not carry because of its configuration with a cargo deck 13 ft (4 m) off the ground and its lower, though substantial, engine power. The C-133 continued in service after the formation of the USAFs Military Airlift Command on 1 January 1966.

  • History

    Role Military transport aircraft

    National origin United States

    Manufacturer Douglas Aircraft Company

    First flight 23 April 1956; Retired 1971 (USAF)

    Primary users United States Air Force; NASA

    Produced 1956–1961

    Number built 50

  • Primary Users

    Crew: five (two pilots, navigator, flight engineer, loadmaster)

    Capacity: 200 pax or 110,000 lb (50,000 kg)

    Length: 154 ft 3 in (47.01 m) Wingspan: 179 ft 9 in (54.78 m)

    Height: 48 ft 3 in (14.7 m)

    Empty weight: 120,263 lb (54,550 kg)

    Max takeoff weight: 286,000 lb (129,727 kg)

    Powerplant: 4 × Pratt & Whitney T34-P-9W turboprop engines, 7,500 hp (5,600 kW) each

    Propellers: 3-bladed Curtiss Electric fully feathering, reversible-pitch propellers.

  • General Info

    Maximum speed: 312 kn (359 mph; 578 km/h) at 8,700 ft (2,700 m)

    Cruise speed: 281 kn (323 mph; 520 km/h)

    Range: 3,560 nmi (4,097 mi; 6,593 km) with 52,000 lb (24,000 kg) payload

    Service ceiling: 29,950 ft (9,130 m) service ceiling

    Rate of climb: 1,280 ft/min (6.5 m/s)


You are definitely intrigued to discover C-133 Cargomaster.

C-133s set a number of unofficial records, including records for military transport aircraft on trans-Atlantic and trans-Pacific routes. Among the longest were non-stop flights from Tachikawa Airfield, Japan, to Travis Air Force Base, California (17:20 hours on 22 May 1959, 5,150 mi/8,288 km, 297.2 mph/478.3 km/h) and Hickam Air Force Base, Hawaii to Dover Air Force Base, Delaware in about 16 hours (4,850 mi/7,805 km 303.1 mph/487.8 km/h). The only FAI officially sanctioned record was in December 1958, when C-133A 62008 lifted a payload of 117,900 lb (53,480 kg) to an altitude of 10,000 ft (3,048 m) at Dover Air Force Base, Delaware.

Douglas C-133 Cargomaster


The Douglas C-133 Cargomaster is an American large turboprop cargo aircraft built between 1956 and 1961 by the Douglas Aircraft Company


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