Helicopter Sikorsky H-34A Choctaw Serial 58-55 Register 53-4497 used by US Army Aviation Army. Built 1955. Aircraft history and location Aircraft History 53-4497 US Army Aviation 1955-10-21 Sikorsky CH-34C Choctaw del US ARMY as H-34A, 53-4497, 21Oct55 to H-34C by Jan62 soc 7th Corps Support Command, Germany, Feb70. Send Updates Use APP to upload photo @ (optional) When Now? / / Send