ModelC/NOperators List of Operators of CH-47 Chinook Years Model Org 1960/92 US Army Aviation 1972/74 CH-47C Chinook Air America 1974/89 CH-47C Chinook Royal Australian Air Force 1975/91 CH-147 Chinook Canadian Armed Forces 1975/02 CH-47C Chinook Fuerzas Aeromóviles del Ejército de Tierra 1979/82 CH-47C Chinook Aviacion de Ejercito Argentino 1980/02 CH-47C Chinook Fuerza Aerea Argentina 1980/95 CH-47C Chinook Royal Air Force Global Distribution of CH-47 Chinook 9ch-1472ch-4773ch-47a38ch-47b202ch-47c6yhc-1b