Helicopter Sikorsky H-34A Choctaw Serial 58-65 Register 53-4503 used by US Army Aviation Army. Built 1956. Aircraft history and location Aircraft History 53-4503 US Army Aviation 1956-08-10 Sikorsky CH-34C Choctaw del US ARMY as H-34A, 53-4503, 10Aug56 to CH-34C Jan69 soc Traning School Sub-command, Fort Eustis, VA, Jun69. Send Updates Use APP to upload photo @ (optional) When Now? / / Send