ModelC/N Derivatives & Versions of 360 ModelYearHistory OH-23B OH-23C UH-12A Known as H-23A Raven in US military service. UH-12B HTE-2 Essentially a UH-12A 2 seat trainer, but with the skids replaced by a wheeled undercarriage. 20 US Navy airframes sent to the UK Royal ... UH-12C UH-12E Raven UH-12G Raven List of Operators of 360 Years Model Org 1950/?? US Army Aviation 1951/?? Heil Ha'Avir 1952/62 Schweizer Luftwaffe 1952/66 Royal Thai Police 1953/72 Fuerza Aerea Colombiana 1953/63 UH-12B HTE-2 Fleet Air Arm 1955/56 UH-12B HTE-2 Bundespolizei 1955/65 OH-23B Koninklijke Luchtmacht 1957/65 OH-23C Koninklijke Luchtmacht 1958/70 Ejercito del Aire 1959 OH-23B Marine Luchtvaartdienst 1960/82 UH-12E Raven Fuerza Aerea de Chile 1961/68 UH-12E Raven Royal Canadian Air Force (1945-1968) 1961/79 Bristow 1962/76 UH-12E Raven Fleet Air Arm 1964 UH-12E Raven Royal Marines 1964/94 UH-12E Raven Fuerza Aerea Uruguaya 1967/?? UH-12E Raven Fuerza Aerea Ecuatoriana 1968/73 UH-12E Raven Canadian Armed Forces 1980/13 Aviacion de Ejercito Argentino 1980/97 UH-12E Raven Fuerza Aerea Paraguaya 1981/00 UH-12E Raven Aviacion Naval Paraguaya UH-12E Raven Policias Provinciales Global Distribution of 360 1036039OH-23B2OH-23C14UH-12A35uh-12b8UH-12C61uh-12e 1UH-12G Raven