Helicopter Westland Sioux Serial wa420 Register G-BGAI XT508 used by Army Air Corps AAC (British Army). Built 1966. Aircraft history and location Aircraft History XT508 Army Air Corps AAC Sioux AH.1 13Oct78 to G-BGAI G-BGAI - 1983-06-04Private w/o 04Jun83, CAA reg canx 23Jan84 Send Updates Use APP to upload photo @ (optional) When Now? / / Send