Helicopter Sikorsky H-34A Choctaw Serial 58-158 Register 54-900 used by US Army Aviation Army. Built 1955. Aircraft history and location Aircraft History 54-900 US Army Aviation 1955-12-12del US ARMY as H-34A, 54-900, 12Dec55 not on DA2410, unk. Send Updates Use APP to upload photo @ (optional) When Now? / / Send