Helicopter Sikorsky H-34A Choctaw Serial 58-417 Register 55-4463 used by US Army Aviation Army. Built 1956. Aircraft history and location Aircraft History 55-4463 US Army Aviation 1956-12-11 Sikorsky CH-34C Choctaw del US ARMY as H-34A, 55-4463, 11Dec56 to H-34C by Jan62 soc 8th Aviation Co, Germany, Jan63. Send Updates Use APP to upload photo @ (optional) When Now? / / Send