Helicopter Westland Sioux Serial wa453 Register 3D-HLP XT564 used by Army Air Corps AAC (British Army). Built 1967. Aircraft history and location Aircraft History XT564 Army Air Corps AAC Sioux AH.1 Unk to 3D-HLP Swaziland For 3D-HLP see also 1967 Sioux wa430 3D-HLP - Private Send Updates Use APP to upload photo @ (optional) When Now? / / Send