Helicopter Westland Sioux Serial wa357 Register ZS-HHX XT198 used by Army Air Corps AAC (British Army). Built 1966. Aircraft history and location Aircraft History XT198 Army Air Corps AAC Sioux AH.1 unk to South Africa ZS-HHX For ZS-HHX see also 2003 s-76c 760543 ZS-HHX - Private, w/o 1980 Send Updates Use APP to upload photo @ (optional) When Now? / / Send