Helicopter Sikorsky H-34A Choctaw Serial 58-1034 Register 57-1771 used by US Army Aviation Army. Built 1959. Aircraft history and location Aircraft History 57-1771 US Army Aviation 1959-02-06del US ARMY as H-34A, 57-1771, 06Feb59 not on DA2410, status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send