Helicopter Sikorsky H-34A Choctaw Serial 58-969 Register 57-1746 used by Royal Thai Air Force ,US Army Aviation Army. Aircraft history and location Aircraft History 57-1746 US Army Aviation del US ARMY as H-34A, 57-1746, unk For H4-??/09 see also h-34a 58-1023 1956 h-34a 58-222 1956 h-34a 58-360 1956 h-34a 58-424 scrapped 1966 1956 h-34a 58-178 scrapped 1966 1956 h-34a 58-296 scrapped 1966 1956 h-34a 58-383 scrapped 1966 1958 h-34a 58-902 scrapped 1962 H4-??/09 Royal Thai Air Force 1966 Send Updates Use APP to upload photo @ (optional) When Now? / / Send