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Caza estratofreighter KC-97
KC97.jpg
KC-97L en las marcas de la Guardia Nacional Aérea de Ohio
PapelPetrolero estratégico
FabricanteBoeing
Introducción14 de julio de 1951 [1] [2]
RetiradoJunio ​​de 1978 [3]
Usuarios primariosFuerza Aérea de los Estados Unidos Fuerza Aérea
Española
Producido1951-1956 [4] [5]
Número construido811
Desarrollado porBoeing C-97 Stratofreighter

El Boeing KC-97 Stratofreighter es un avión cisterna estratégico de Estados Unidos basado en el Boeing C-97 Stratofreighter . Fue sucedido por el Boeing KC-135 Stratotanker .

Diseño y desarrollo [ editar ]

El KC-97 Stratofreighter era una variante de tanque de reabastecimiento aéreo del C-97 Stratofreighter (que a su vez se basaba en el Boeing B-29 Superfortress ), muy modificado con todos los tanques necesarios, tuberías y un brazo volador . La cubierta superior cavernosa era capaz de acomodar carga de gran tamaño a la que se accede a través de una puerta del lado derecho muy grande. Además, el combustible para aviones transferible estaba contenido en tanques en la cubierta inferior (modelos GL). Ambas cubiertas se calentaron y presurizaron para operaciones a gran altitud.

Nota: Ocasionalmente, se ha hecho referencia al KC-97 como "Stratotanker". Sin embargo, todas las fuentes acreditadas se refieren al KC-97 como Stratofreighter, no -tanker. Esto incluye tanto a Boeing como a la propia USAF. [6] [7]

Historial operativo [ editar ]

Dos USAF A-7 Corsair II reabasteciendo de combustible desde un KC-97.

La USAF comenzó a operar el KC-97 en 1950. Compró un total de 811 KC-97 de Boeing, [5] [8] [9] en comparación con solo 74 de la versión de carga del C-97. [10] [11] [12] El KC-97 transportaba gasolina de aviación para sus propios motores de pistón pero transportaba combustible para aviones para su misión de reabastecimiento , esto requería un sistema independiente para cada tipo de combustible. Sin embargo, en caso de emergencia, también pudo descargar su gas de aviación a un receptor en un procedimiento conocido universalmente como "guardar". [13]

Estos petroleros eran de vital importancia para las operaciones estratégicas mundiales de Boeing B-47 Stratojet . Un ejemplo fue el apoyo a los vuelos de reconocimiento del Ártico desde la base aérea de Thule .

Si bien era un petrolero eficaz, la baja velocidad y la baja altitud operativa del KC-97 complicaron las operaciones de reabastecimiento de combustible con aviones a reacción. Los B-52 normalmente bajaban los flaps y el tren de aterrizaje trasero para reducir la velocidad de la aeronave lo suficiente como para repostar del KC-97. Además, un perfil típico de compromiso de reabastecimiento de combustible de un B-52 implicaría un descenso que permitiera a la pareja de aviones mantener una velocidad aerodinámica más alta (220-240 nudos). A principios de la década de 1960, el Comando Aéreo Táctico agregó a General Electric J47 dos cápsulas de chorro doble de los petroleros aéreos KB-50 retirados para producir el KC-97L. Estas cápsulas de reacción aumentaron la velocidad del KC-97 (durante cortos períodos de tiempo) y lo hicieron más compatible con aviones de combate a reacción como el F-84, F-100 y F-101.

En 1956, el Comando Aéreo Estratégico comenzó a eliminar gradualmente sus KC-97 a favor del KC-135 Stratotanker . Los KC-97 continuaron volando con el Comando Aéreo Táctico, la Reserva de la Fuerza Aérea y la Guardia Nacional Aérea . El resto de los KC-97 se retiraron por completo en 1978, cuando la Guardia Nacional Aérea de Texas y la Guardia Nacional Aérea de Utah cambiaron sus KC-97L por el C-130 Hercules y el KC-135 Stratotanker, respectivamente.

One KC-97 airframe (AF Ser. No. 52-0828)[14] was adapted into the Aero Spacelines Super Guppy, a transport plane designed specifically to support the Apollo Program by carrying Saturn IB and Saturn V upper stages across the country (California to Florida). The aircraft carried the Saturn S-IVB stage, which served as the second stage of the Saturn IB, the third stage of the Saturn V, and the fourth stage for the never-built Nova rocket.[15][circular reference]

Este KC-97 modificado, construido en 1953, fue finalmente comprado por la NASA en 1997. Todavía está en servicio apoyando a la NASA, otras agencias federales y contratistas federales. Es uno de los dos KC-97 que quedan todavía en condiciones de volar, el otro es el antiguo KC-97G 52-2718, "Ángel de la liberación", actualmente volado por la Fundación Histórica del Puente Aéreo de Berlín como YC-97A 45-59595.

Variantes [ editar ]

El boom de repostaje del KC-97
Fuente: AIRTime [16]
KC-97A
Tres C-97A se convirtieron en camiones cisterna de reabastecimiento de combustible aéreo con la puerta de carga trasera retirada y un brazo de reabastecimiento en vuelo agregado. Una vez probado el diseño, se volvieron a convertir en el C-97A estándar.
KC-97E
camiones cisterna de repostaje aéreo con puertas traseras de carga permanentemente cerradas, 60 construidos. Algunos se convirtieron más tarde en transportes como el C-97E.
KC-97F
3800 hp R-4360-59B engines and minor changes, 159 built. Some were later converted into transport as the C-97F.
KC-97G
Dual-role aerial refueling tankers/cargo transportation aircraft. KC-97G models carried underwing fuel tanks. 592 built.
EC-97G
ELINT conversion of three KC-97Gs. 53-106 was operated by the Central Intelligence Agency for covert ELINT operations in the West Berlin Air Corridor.
C-97G
135 KC-97Gs converted to transports.
GKC-97G
Five KC-97Gs were used as ground instruction airframes.
JKC-97G
One aircraft was modified to test the underwing General Electric J47-GE-23 jet engines, and was later designated KC-97L.
HC-97G
KC-97Gs converted for search and rescue operations, 22 converted.
KC-97H
One KC-97F was experimentally converted into a hose-and-drogue refueling aircraft.
YC-97J
two KC-97G conversion with four 4250 kW Pratt & Whitney YT34-P-5 turboprops, dropped in favour of the Boeing KC-135 Stratotanker.
C-97K
27 KC-97Gs converted to troop transports.[17]
KC-97L
81 KC-97Gs modified with two J47 turbojet engines on underwing pylons.

Operators[edit]

A KC-97L Stratofreighter (s/n 52-2630 Zeppelinheim) at the National Museum of the United States Air Force
 Israel
  • Israel Defense Forces
 Spain
  • Spanish Air Force
 United States
  • United States Air Force

The following USAF wing organizations flew the various KC-97 models at some time during their existence:[18]

Active duty[edit]

  • 2d Bombardment Wing (Medium) – Hunter AFB, Georgia (1953–1963)
    • 2d Air Refueling Squadron
  • 9th Bombardment Wing (Medium) – Mountain Home AFB, Idaho (1954–1965)
    • 9th Air Refueling Squadron
  • 11th Air Refueling Wing – Altus AFB, Oklahoma (1957–1958)
    • 96th Air Refueling Squadron
  • 19th Bombardment Wing (Medium) – Homestead AFB, Florida (1955–1961)
    • 19th Air Refueling Squadron
    • 100th Air Refueling Squadron
    • 303d Escuadrón de Reabastecimiento Aéreo
  • Ala de bombardeo 22d (mediana) - marzo AFB , California (1952-1962)
    • 22 ° Escuadrón de Reabastecimiento Aéreo
    • 22d Escuadrón de Reabastecimiento Aéreo - (reubicado como GSU en McChord AFB , Washington )
    • 320 ° Escuadrón de Reabastecimiento Aéreo
  • 26 ° ala de reconocimiento estratégico (mediana) - Lockborne AFB , Ohio (1953-1955; 1956-1958)
    • 26 ° Escuadrón de Reabastecimiento Aéreo
    • 321 ° Escuadrón de Reabastecimiento Aéreo
  • 28 ° Ala de Bombardeo (Pesado) - Ellsworth AFB , Dakota del Sur (1962-1964)
    • 97o Escuadrón de Reabastecimiento Aéreo - GSU Malmstrom AFB , Montana
  • 40th Bombardment Wing (Medium) Schilling AFB, Kansas(1953–1960)
    • 40th Air Refueling Squadron
  • 42d Bombardment Wing (Heavy) – Limestone AFB, Maine (1955–1957)
    • 42d Air Refueling Squadron
  • 43d Bombardment Wing (Medium) – Davis-Monthan AFB, Arizona (1953–1960)
    • 9th Air Refueling Squadron
    • 43d Air Refueling Squadron
  • 44th Bombardment Wing (Medium) – Lake Charles AFB, Louisiana (1953–1960)
    • 44th Air Refueling Squadron
  • 68th Bombardment Wing (Medium) – Lake Charles AFB, Louisiana (1953–1957)
    • 68th Air Refueling Squadron
  • 70th Strategic Reconnaissance Wing (Medium) – Little Rock AFB, Arkansas (1955–1961)
    • 70th Air Refueling Squadron
  • 90th Bombardment Wing (Medium) – Fairchild AFB, Washington (1955–1960)
    • 90th Air Refueling Squadron
  • 91st Bombardment Wing (Medium) – Glasgow AFB, Montana (1952–1957)
    • 26th Air Refueling Squadron
    • 68th Air Refueling Squadron
    • 91st Air Refueling Squadron
    • 100th Air Refueling Squadron
  • 93d Bombardment Wing (Medium) – Castle AFB, California (1953–1957)
    • 90th Air Refueling Squadron
    • 93d Air Refueling Squadron
  • 96th Bombardment Wing (Medium) – Altus AFB, Oklahoma (1954–1958)
    • 11th Air Refueling Squadron
    • 96th Air Refueling Squadron
    • 321st Air Refueling Squadron
    • 380th Air Refueling Squadron
  • 97th Bombardment Wing (Medium) – Biggs AFB, Texas (1954–1957)
    • 97th Air Refueling Squadron
  • 98th Bombardment Wing (Medium) – Lincoln AFB, Nebraska (1954–1963)
    • 98th Air Refueling Squadron
    • 307th Air Refueling Squadron
  • 100th Bombardment Wing (Medium) – Portsmouth AFB/Pease AFB, New Hampshire (1956–1966)
    • 100th Air Refueling Squadron
    • 509th Air Refueling Squadron
  • 301st Bombardment Wing (Medium) – Barksdale AFB, Louisiana/Lockborne AFB, Ohio (1953–1963)
    • 301st Air Refueling Squadron
  • 303rd Bombardment Wing (Medium) – Davis-Monthan AFB, Arizona (1953–1956; 1960)
    • 9th Air Refueling Squadron
    • 43d Air Refueling Squadron
    • 96th Air Refueling Squadron
    • 303d Air Refueling Squadron
  • 305th Bombardment Wing (Medium) – MacDill AFB, Florida (1951–1959)
    • 305th Air Refueling Squadron
  • 306th Bombardment Wing (Medium) – MacDill AFB, Florida (1951–1962)
    • 306th Air Refueling Squadron
  • 307th Bombardment Wing (Medium) – Lincoln AFB, Nebraska (1955–1960)
    • 307th Air Refueling Squadron
  • 308th Bombardment Wing (Medium) – Hunter AFB, Georgia (1953–1959)
    • 303d Air Refueling Squadron
    • 308th Air Refueling Squadron
  • 310th Bombardment Wing (Medium) – Smoky Hill AFB/Schilling AFB, Kansas (1952–1963)
    • 40th Air Refueling Squadron
    • 310th Air Refueling Squadron
  • 320th Bombardment Wing (Medium) – March AFB, California (1952–1960)
    • 320th Air Refueling Squadron
  • 321st Bombardment Wing (Medium) – Pinecastle AFB, Florida (1954–1956)
    • 307th Air Refueling Squadron
    • 321st Air Refueling Squadron
  • 340th Bombardment Wing (Medium) – Whiteman AFB, Missouri (1954–1962)
    • 34th Air Refueling Squadron
    • 340th Air Refueling Squadron
  • 341st Bombardment Wing (Medium) – Dyess AFB, Texas (1956–1960)
    • 11th Air Refueling Squadron
  • 376th Bombardment Wing (Medium) – Barksdale AFB, Louisiana/Lockborne AFB, Ohio (1953–1963)
    • 91st Air Refueling Squadron
    • 376th Air Refueling Squadron
  • 379th Bombardment Wing – Homestead AFB, Florida (1956–1961)
    • 19th Air Refueling Squadron
  • 384th Air Refueling Wing (Heavy) – Little Rock AFB, Arkansas (1961–1963)
    • 70th Air Refueling Squadron
  • 397th Bombardment Wing (Heavy) – Dow AFB, Maine (1963–1964)
    • 71st Air Refueling Squadron
    • 341st Air Refueling Squadron
  • 407th Strategic Fighter Wing – Great Falls AFB, Montana (1953–1957)
    • 407th Air Refueling Squadron
  • 497th Air Refueling Wing – Plattsburgh AFB, New York (1962–1964)
    • 26th Air Refueling Squadron
    • 380th Air Refueling Squadron
  • 499th Air Refueling Wing – Westover AFB, Massachusetts (1963–1965)
    • 11th Air Refueling Squadron – GSU Dover AFB, Delaware
    • 19th Air Refueling Squadron – GSU Otis AFB, Massachusetts
    • 99th Air Refueling Squadron (operated KC-135 & EC-135 aircraft only)
    • 303d Air Refueling Squadron – GSU Kindley AFB, Bermuda
    • 305th Air Refueling Squadron- GSU McGuire AFB, New Jersey
    • 384th Air Refueling Squadron – Westover AFB, Massachusetts (1963–1965)
  • 500th Air Refueling Wing – Selfridge AFB, Michigan (1963–1964)
    • 44th Air Refueling Squadron
    • 307th Air Refueling Squadron
  • 509th Bombardment Wing (Heavy) – Walker AFB, New Mexico/Pease AFB, New Hampshire (1954–1965)
    • 509th Air Refueling Squadron
  • 4397th Air Refueling Training Wing – Randolph AFB, Texas (1958–1963)
    • 4397th Combat Crew Training Squadron
  • 4050th Air Refueling Wing – Westover AFB, Massachusetts (1955–1962)
    • 11th Air Refueling Squadron – GSU Dover AFB, Delaware
    • 19th Air Refueling Squadron – GSU Otis AFB, Massachusetts
    • 26th Air Refueling Squadron – Westover AFB, Massachusetts
    • 303d Air Refueling Squadron – GSU Kindley AFB, Bermuda
    • 305th Air Refueling Squadron- GSU McGuire AFB, New Jersey
    • 384th Air Refueling Squadron – Westover AFB, Massachusetts (1963–1965)
  • 4060th Air Refueling Wing – Dow AFB, Maine/Plattsburgh AFB, New York (1955–1962)
  • 4108th Air Refueling Wing – Plattsburgh AFB, New York (1961–1965)
  • 4045th Air Refueling Wing – Selfridge AFB, Michigan
  • 4061st Air Refueling Wing – Malmstrom AFB, Montana (1957–1961)
    • 407th Air Refueling Squadron
  • 4081st Strategic Wing – Ernest Harmon AFB, Newfoundland, Canada (1960–1966)
    • 376th Air Refueling Squadron

Air National Guard[edit]

  • 106th Air Refueling Group – NAS New York/Floyd Bennett Field, then Suffolk County Airport, New York (1962–1972)
    • 102d Air Refueling Squadron
  • 126th Air Refueling Wing – O'Hare International Airport, Illinois (1953–1976)
    • 108th Air Refueling Squadron
  • 128th Air Refueling Wing – General Mitchell Air National Guard Base, Wisconsin (1962–1977)
    • 126th Air Refueling Squadron
  • 134th Air Refueling Wing – McGhee Tyson Air National Guard Base, Tennessee (1964–1977)
    • 151st Air Refueling Squadron
  • 146th Air Transport Wing- Van Nuys, California (1962–1967)
    • 115th Air Refueling Squadron
  • 136th Air Refueling Wing – NAS Dallas, Texas (1965–1978)
    • 181st Air Refueling Squadron
  • 139th Air Refueling Group – Rosecrans Air National Guard Base, Missouri (1969–1976)
    • 180th Air Refueling Squadron
  • 151st Air Refueling Group – Salt Lake City Air National Guard Base, Utah (1972–1978)
    • 191st Air Refueling Squadron
  • 160th Air Refueling Group – Lockborne AFB, Ohio (1965–1975)
    • 145th Air Refueling Squadron
  • 161st Air Refueling Group – Goldwater Air National Guard Base, Arizona (1972–1977)
    • 197th Air Refueling Squadron
  • 171st Air Refueling Wing – Pittsburgh IAP Air Reserve Station, Pennsylvania (1972–1977)
    • 147th Air Refueling Squadron

Accidents and incidents[edit]

27 June 1954
KC-97G AF Ser. No. 52-2654 which departed from Altus Air Force Base, Oklahoma, encountered poor weather at its destination, March Air Force Base in California, and attempted to divert to Norton Air Force Base, but crashed into Box Springs Mountain north of Riverside, California, killing all 14 people on board.[19]
4 May 1955
USAF KC-97G 53-0110 was flying in formation when it crashed into the Atlantic 90 mi off Iceland due to loss of control caused by an engine fire, killing all nine on board.[20]
6 July 1956
USAF KC-97E 51-0220 crashed in a wooded area 45 mile northeast of Goose Bay, Canada after reporting an engine fire, killing all six on board.[21]
22 January 1957
a KC-97G AF Ser. No. 53-0222 from Griffiss Air Force Base, New York, crashed in the foothills of the Adirondack Mountains, killing its crew of seven.[22][23]
9 May 1957
KC-97F AF Ser. No. 51-0258 en route from Sidi Slimane Air Base, Morocco, to Lajes AB, Azores, ditched in the Atlantic 550 km (343.8 mls) SE of the Azores Islands following a double engine failure. All seven crew survived. The airplane floated for ten days before being sunk by the battleship USS Wisconsin.[24]
18 July 1957
KC-97G AF Ser. No. 52-2737 from the 380th Air Refueling Squadron with a crew of eight, exploded and crashed into Lake Champlain at 2128 hrs., when two of the four engines failed three minutes after take-off from Plattsburgh AFB, New York.[25] There were three survivors.[26]
29 October 1957
KC-97G AF Ser. No. 52-2711 of the 509th Bomb Wing,[27] out of Walker AFB, New Mexico, crashed 35 miles north of Flagstaff, Arizona, while on a nine-hour low-level survey flight to determine minimum altitude restrictions for B-47 training routes. The aircraft was seen over Gray Mountain, Arizona, at altitude of 60 feet shortly after 0830 hrs., and then heard striking a cloud-shrouded cliff face, killing 16 crew and strewing wreckage for 200 yards along mountainside.[28][29]
22 July 1959
KC-97 AF Ser. No. 52-2703 of Pease Air Force Base crashed near Andover, New Hampshire, while on a nighttime training mission; all seven crewmen were killed.[30][31][32]
14 December 1959
KC-97G AF Ser. No. 53-0231 of the 384th Air Refueling Squadron, out of Westover AFB, Massachusetts, collided with a B-52 during a refueling mission at an altitude of ~15,000 feet. The aircraft lost the whole left horizontal stabilizer and elevator, the rudder, and the upper quarter of the vertical stabilizer. The crew made a no-flap, electrical power off landing at night at Dow AFB, Maine; seven crew okay. "Spokesmen at Dow Air Force, Bangor, said the B52 [sic] apparently 'crowded too close' and rammed a fuel boom into the tail of a four-engined KC95 [sic] tanker plane."[33] Aircraft stricken as beyond economical repair. Two crew on the B-52 ejected, parachuted safely, and were recovered by helicopters in a snow-covered wilderness area. The bomber and remaining eight crew safely landed at Westover AFB.[34]
30 March 1960
KC-97 AF Ser. No. 51-0363 (Manufacturer's Serial Number 16430) ditched and sank off Cape Canaveral. This particular aircraft was lost due to engine failure. The crash resulted in 3 fatalities of the 14 crew. The wreck of the aircraft was discovered June 6, 2015, in 365 feet of water by divers.[35]
15 April 1960
KC-97G AF Ser. No. 52-0919[26] of the 307th Air Refueling Squadron, 307th Bomb Wing, crashed on take-off from Lincoln AFB, Nebraska, after the undercarriage collapsed. All 24 on board survived, with two airmen suffering leg fractures and five others with minor cuts and burns.[36][37]
27 June 1960
KC-97G AF Ser. No. 52-2728 of the 380th Air Refueling Squadron, Plattsburgh AFB, New York, suffered failure of lubrication on an engine impeller shaft during an evening four-hour training mission to refuel a Boeing B-47 Stratojet. During rendezvous at 15,500 feet, the tanker's number one (port outer) powerplant caught fire. As the bomber moved away from the burning tanker, the crew tried unsuccessfully to put out the blaze. The plane went into a spin as the wing failed outboard of the engine; the aircraft crashed on Jonathan Smith Mountain, a hill east of Puzzle Mountain in Newry, Maine. The flash of the fire was seen from as far away as Lewiston and Bridgton. All five crew were killed. Wreckage covering five acres was still there as of 2010.[38][39][40]
5 November 1964
KC-97 AF Ser. No. unknown of Pease Air Force Base crashed on takeoff; all five crewmen were killed.[41][42][43]
19 December 1964
USAF KC-97G 52-907 ran off the runway at Ernest Harmon AFB after the pilot landed too far down the runway, killing all five on board. The pilot attempted to abort the landing, but the aircraft struck approach lights and crashed into a pond.[44]
19 January 1969
Wisconsin Air National Guard KC-97L 52-0904 crashed short of the runway at General Mitchell Airport, killing four of 11 on board.[45]
17 September 1971
KC-97G IAF Serial 4X-FPR/033 of the Israeli Air Force, was shot down by Egyptian missiles over Suez, Egypt; seven of eight-man crew were killed.[46]

Surviving aircraft[edit]

KC-97G/L at the Barksdale Global Power Museum
Airworthy
KC-97G Stratofreighter
  • 52-918 - privately owned in Riverton, Wyoming.[47]
  • 52-2698 - privately owned in Greybull, Wyoming.[48]
KC-97L Stratofreighter
  • 52-2695 - privately owned in Greybull, Wyoming.[49]
  • 52-2761 - privately owned in Greybull, Wyoming.[50]
  • 53-208 - privately owned in Riverton, Wyoming.[51]
  • 53-265 - privately owned in Riverton, Wyoming.[52]
  • 53-350 - privately owned in Riverton, Wyoming.[53]
On Display
KC-97G Stratofreighter
  • 52-895 – Rogue Valley International-Medford Airport in Central Point, Oregon.[54]
  • 52-905 – Wisconsin National Guard Museum at Volk Field Air National Guard Base in Camp Douglas, Wisconsin.[55]
  • 52-2604 - Cleveland I-X Center grounds in Cleveland Ohio.[56]
  • 52-2624 – Florence Air & Missile Museum, Florence Regional Airport, Florence, South Carolina, which is now closed. Following museum closure, parts were used complete the KC-97, AF Ser. No. 53-0335, on display at the Carolinas Aviation Museum.[57]
  • 52-2630 – National Museum of the United States Air Force at Wright-Patterson Air Force Base near Dayton, Ohio.[58]
  • 52-2697 – Grissom Air Museum at Grissom Air Reserve Base (former Grissom AFB) in Peru, Indiana.[59]
  • 52-2736 – Israeli Air Force Museum adjacent to Beersheba, Israel.[60]
  • 53-151 – Pima Air and Space Museum adjacent to Davis-Monthan Air Force Base in Tucson, Arizona.[61]
  • 53-189 (Spanish Serial Number TK1-3) – Museo del Aire (Spain) at Cuatro Vientos Airport in Madrid, Spain. Former USAF aircraft.[62]
  • 53-198 – Strategic Air Command & Aerospace Museum near Ashland, Nebraska.[63]
  • 53-218 – Minnesota Air National Guard Museum, St. Paul, Minnesota. Displayed in C-97G configuration.[64]
  • 53-230 – Air Mobility Command Museum at Dover Air Force Base, Delaware.[65]
  • 53-240 – Barksdale Global Power Museum at Barksdale Air Force Base, Louisiana.[66]
  • 53-272 - Milestones of Flight Museum, General William J. Fox Airfield, Lancaster, California, which is now closed.[67]
  • 53-282 – Dyess Linear Air Park at Dyess Air Force Base in Abilene, Texas.[68]
  • 53-283 – The Airplane Restaurant adjacent to Peterson Air Force Base and Colorado Springs Municipal Airport in Colorado Springs, Colorado.[69]
  • 53-298 – Museum of Aviation at Robins Air Force Base in Georgia.[70]
  • 53-327 – Whiteman Air Force Base in Knob Noster, Missouri.[71]
  • 53-335 – Carolinas Aviation Museum north of Charlotte Air National Guard Base at Charlotte-Douglas International Airport in Charlotte, North Carolina. The museum is closed with a planned re-opening in 2022.[72]
  • 53-354 – Castle Air Museum at the former Castle Air Force Base in Atwater, California.[73]
  • 53-363 – March Field Air Museum at March Air Reserve Base (former March AFB) in Riverside, California.[74]
  • 53-360 – Malmstrom Museum, Malmstrom Air Force Base, Montana. Displayed as 52-2638.[75]
  • 56-3639 - Dyess Air Force Base Linear Air Park, Abilene, Texas. Aircraft is on display in the first grouping of aircraft on the right as you enter the base by the main gate. This aircraft was delivered to the United States Air Force on December 8, 1955 and was originally assigned to Strategic Air Command, and then was later transferred to the Air National Guard's 136th Air Refuelling Wing, at Dallas, Texas from October 1976 to June 1978. It was retired from active service in July 1978.[76]

In popular culture[edit]

The KC-97 Stratofreighter is shown in both its cargo and tanker tasks in the 1955 film Strategic Air Command, refueling a B-47 in flight, and in the 1957 film Bombers B-52, refueling B-52s.

Specifications (KC-97L)[edit]

Data from USAF Museum,[77] FAS: KC-97 Stratotanker[78]

General characteristics

  • Crew: 6 (aircraft commander, copilot, navigator, flight engineer, radio operator, boom operator)
  • Capacity: 9,000 US gal (7,500 imp gal; 34,000 l) deliverable fuel
  • Length: 117 ft 5 in (35.79 m)
  • Wingspan: 141 ft 2 in (43.03 m)
  • Height: 38 ft 4 in (11.68 m)
  • Wing area: 1,734 sq ft (161.1 m2)
  • Airfoil: root: Boeing 117 (22%); tip: Boeing 117 (9%)[79]
  • Empty weight: 82,500 lb (37,421 kg)
  • Gross weight: 153,000 lb (69,400 kg)
  • Max takeoff weight: 175,000 lb (79,379 kg)
  • Powerplant: 4 × Pratt & Whitney R-4360-59 Wasp Major 28-cylinder air-cooled radial piston engines, 3,500 hp (2,600 kW) each
  • Powerplant: 2 × General Electric J47-GE-23 turbojet engines, 5,790 lbf (25.8 kN) thrust each in pylon mounted pods
  • Propellers: 4-bladed Hamilton Standard constant-speed fully-feathering propellers

Performance

  • Maximum speed: 400 mph (640 km/h, 350 kn)
  • Cruise speed: 230 mph (370 km/h, 200 kn)
  • Range: 2,300 mi (3,700 km, 2,000 nmi)
  • Service ceiling: 30,000 ft (9,100 m)

See also[edit]

Related development

  • Boeing C-97 Stratofreighter
  • Boeing B-50 Superfortress
  • Boeing 377 Stratocruiser
  • Aero Spacelines Pregnant Guppy
  • Aero Spacelines Super Guppy

Aircraft of comparable role, configuration, and era

  • Douglas C-124 Globemaster II
  • Lockheed C-121 Constellation
  • Lockheed L-1249 Super Constellation (R7V-2/YC-121F)

Related lists

  • List of military aircraft of the United States
  • List of United States military aerial refueling aircraft

References[edit]

Citations[edit]

  1. ^ Bach, p. 13
  2. ^ Swanborough / Bowers 1989, p. 128.
  3. ^ Bach, p. 31
  4. ^ Bach, p. 14
  5. ^ a b Swanborough / Bowers 1989, p. 127-129.
  6. ^ "Boeing: Historical Snapshot: C-97 Stratofreighter". www.boeing.com. Archived from the original on 24 February 2015. Retrieved 29 April 2018.
  7. ^ "Factsheets : Boeing KC-97L Stratofreighter". archive.org. 27 June 2015. Archived from the original on 27 June 2015. Retrieved 29 April 2018.
  8. ^ Bach, p. 12
  9. ^ Bowers 1989, p. 358-359.
  10. ^ Bach, p. 4-7
  11. ^ Bowers 1989, p. 353-358.
  12. ^ Swanborough / Bowers 1989, p. 125-126.
  13. ^ "The Young Tigers and Their Friends". Air Force Magazine. Retrieved 2020-10-18.
  14. ^ "Archived copy". Archived from the original on 2016-08-15. Retrieved 2017-03-11.CS1 maint: archived copy as title (link)
  15. ^ Aero Spacelines Pregnant Guppy
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Bibliography[edit]

  • Bach, Martin: Boeing 367 Stratofreighter, Boeing 377 Stratocruiser, Aero Spacelines Guppies. NARA Verlag, Allershausen 1996, ISBN 3-925671-18-8.
  • Bowers, Peter M.: Boeing Aircraft since 1916. Putnam Aeronautical Books, London 1989, ISBN 0-85177-804-6.
  • Swanborough, Gordon and Bowers, Peter M.: United States Military Aircraft since 1909. Putnam Aeronautical Books, London 1989, ISBN 0-85177-816-X.

External links[edit]

  • KC-97 page at the National Museum of the United States Air Force
  • Airworthy KC-97 Angel of Deliverance