1956 United States Army aircraft designation system

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The United States Army designation system was introduced by the United States Army in 1956 to replace the designation system used by the United States Army Air Corps which had become the United States Air Force in 1948. it was used until the unified tri-service designation system for all services came into effect.

List of designations and use[]

AC - Airplane, Cargo
  • AC-1 De Havilland Canada Caribou - became the CV-2 in the 1962 tri-service designation system.[1]
AO - Airplane, Observation
AU - Airplane, Utility
  • AU-1 Not used but reserved for the De Havilland Canada Otter - became U-1 in 1962.[3]
HC - Helicopter, Cargo
  • HC-1A Vertol Model 107 - became the CH-46 in 1962.[4]
  • HC-1B Boeing Vertol Model 114 - became the CH-47 in 1962.[4]
HO - Helicopter, Observation
  • HO-1 Sud-Ouest Djinn[4]
  • HO-2 Hughes 269[4]
  • HO-3 Brantly B-2[4]
  • HO-4 Bell YOH-4 - became the OH-4 in 1962.[4]
  • HO-5 Fairchild-Hiller FH-1100 - became the OH-5 in 1962.[4]
  • HO-6 Hughes 369M - became the H-6 in 1962.[4]
HU - Helicopter, Utility
  • HU-1 Bell HU-1 Iroquois - became the UH-1 in 1962.[4]
VZ - VTOL research

See also[]

References[]

  1. ^ Andrade 1979, p. 39
  2. ^ a b c Andrade 1979, p. 40
  3. ^ Andrade 1979, p. 42
  4. ^ a b c d e f g h i Andrade 1979, p. 128
  5. ^ a b c d e f g h i j k l Andrade 1979. p. 178

Sources[]

  • Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN 0-904597-22-9.
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