Helicopter Westland Sioux Serial wa522 Register OE-AXX XT815 used by Army Air Corps AAC (British Army). Built 1966. Aircraft history and location Aircraft History XT815 Army Air Corps AAC 652 Sq by Aug 1977. To OE-AXX. 652 Squadron OE-AXX - Private Send Updates Use APP to upload photo @ (optional) When Now? / / Send