Helicopter Sikorsky H-34A Choctaw Serial 58-23 Register 53-4478 used by US Army Aviation Army. Built 1955. Aircraft history and location Aircraft History 53-4478 US Army Aviation 1955-03-25 Sikorsky CH-34C Choctaw del US ARMY as H-34A, 53-4478, 25Mar55 redesig CH-34C, Oct62 soc Transportation R/E Command, Fort Eustis, Jul64. Send Updates Use APP to upload photo @ (optional) When Now? / / Send