Helicopter Westland Sioux Serial wa430 Register 3D-HLP XT541 used by Army Air Corps AAC (British Army). Built 1967. Aircraft history and location Aircraft History XT541 Army Air Corps AAC Sioux AH.1 unk to Swaziland 3D-HLP For 3D-HLP see also 1967 Sioux wa453 3D-HLP - Private Send Updates Use APP to upload photo @ (optional) When Now? / / Send