Helicopter Westland Whirlwind HAR.4 Serial wa 38 Register XJ412 XD782 used by Royal Air Force RAF. Built 1954. Aircraft history and location Aircraft History XD782 Royal Air Force Westland Whirlwind HAR.4, c/n WA38, ntu Royal Air Force as XD782. [duplicate Sabre 4 serial] XJ412 Royal Air Force 1954-11-15 Westland Whirlwind HAR.10 ff: 15Nov54 del Royal Air Force as Whirlwind HAR.4, XJ412, 03Dec54 conv HAR.10, unk w/o 05Nov66. Send Updates Use APP to upload photo @ (optional) When Now? / / Send