Helicopter Westland Sioux Serial wa591 Register D-HECI XT829 used by Army Air Corps AAC (British Army). Built 1967. Aircraft history and location Aircraft History XT829 Army Air Corps AAC Sioux AH.1 Unk to D-HECI D-HECI - Originally based Oedheim, Germany, Unk to pres. at Usingen, Germany Send Updates Use APP to upload photo @ (optional) When Now? / / Send