Helicopter Westland Sioux Serial wa414 Register XT502 used by Army Air Corps AAC (British Army). Built 1966. Aircraft history and location Aircraft History XT502 Army Air Corps 1970-09-04 A EGAA Accident dd as AH.1 2 Nov 1966. w/o 4 Sep 1970 in N Ireland with Air Troop 4/7 Royal Dragoon Guards at Aldergrove Operation Banner Send Updates Use APP to upload photo @ (optional) When Now? / / Send