Helicopter Sikorsky H-34A Choctaw Serial 58-39 Register 53-4485 used by US Army Aviation Army. Built 1956. Aircraft history and location Aircraft History 53-4485 US Army Aviation 1956-05-13 Sikorsky CH-34C Choctaw del US Army as CH-34A 53-4485, 13May56 to CH-34C Jul64 sos Atlanta Government Depot, Jan72. Send Updates Use APP to upload photo @ (optional) When Now? / / Send