Helicopter Westland Sioux Serial wa699 Register XW179 used by Army Air Corps AAC (British Army). Built 1968. Aircraft history and location Aircraft History XW179 Army Air Corps 1968-11-05AAC Sioux AH.1 d/d 05nov68, w/o 28aug79, to A2711, parts to XT242 Send Updates Use APP to upload photo @ (optional) When Now? / / Send