Helicopter Sikorsky H-34A Choctaw Serial 58-156 Register 54-898 used by US Army Aviation Army. Built 1955. Aircraft history and location Aircraft History 54-898 US Army Aviation 1955-12-01 Sikorsky CH-34C Choctaw del US ARMY as H-34A, 54-898, 01Dec55 to CH-34C Jun64 soc 22nd Signals Group, Germany, Nov64. Send Updates Use APP to upload photo @ (optional) When Now? / / Send