Helicopter Westland Sioux Serial wa459/was173 Register XT570 used by Army Air Corps AAC (British Army). Built 1967. Aircraft history and location Aircraft History XT570 Army Air Corps 1967-06-09 A EGDTAAC Sioux AH.1 d/d 09Jun67, broken up Wroughton 1977 Send Updates Use APP to upload photo @ (optional) When Now? / / Send