Helicopter Sikorsky H-34A Choctaw Serial 58-1022 Register 57-1765 used by US Army Aviation Army. Aircraft history and location Aircraft History 57-1765 US Army Aviation del US ARMY as H-34A, 57-1765, unk to MASDC as XJ0011 Dec 19, 1971. To civil registry as N89018. Send Updates Use APP to upload photo @ (optional) When Now? / / Send