Helicopter Sikorsky H-34A Choctaw Serial 58-704 Register 56-4315 used by US Army Aviation Army. Built 1957. Aircraft history and location Aircraft History 56-4315 US Army Aviation 1957-12-24del US ARMY as H-34A, 56-4315, 24Dec57 not on DA2410, status unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send