Helicopter Westland Sioux Serial wa599 Register ZS-HGY XT837 used by Army Air Corps AAC (British Army). Built 1967. Aircraft history and location Aircraft History XT837 Army Air Corps AAC Sioux AH.1 Unk to South Africa as ZS-HGY ZS-HGY - Originally based at Lanseria, South Africa 2019-07-30w/o 30jul19 Alldays, Limpopo, South Africa. 1 fatality Send Updates Use APP to upload photo @ (optional) When Now? / / Send