Helicopter Westland Sioux Serial wa397 Register XT238 used by Army Air Corps AAC (British Army). Built 1966. Aircraft history and location Aircraft History XT238 Army Air Corps 1966-07-04AAC Sioux AH.1 d/d 04Jul66, w/o 07Jul73 15th/16th Queen's Royal Lancers. Crashed 07 July 1973 in Aldridge, Staffordshire, UK, trying to rescue skydiver from overhead power lines. Send Updates Use APP to upload photo @ (optional) When Now? / / Send