Helicopter Westland Sioux Serial wa326 Register G-BFYI XT167 used by Army Air Corps AAC (British Army). Built 1965. Aircraft history and location Aircraft History XT167 Army Air Corps AAC Sioux AH.1 to G-BFYI G-BFYI - Based at Goathland, North Yorkshire Send Updates Use APP to upload photo @ (optional) When Now? / / Send