Helicopter Westland Whirlwind HAR.4 Serial wa 40 Register XJ413 XD783 used by Royal Air Force RAF. Built 1954. Aircraft history and location Aircraft History XD783 Royal Air Force Westland Whirlwind HAR.4, c/n WA40, ntu Royal Air Force as XD783. [duplicate Sabre 4 serial] XJ413 03Dec54 Royal Air Force 1954-11-23ff: 23Nov54 as XD783 del Royal Air Force as Whirlwind HAR.4, XJ413, 03Dec54 w/o 20Sep57 at , Padang, Malaysia. 4 fatalities 1957-09-20 Accident after departing Tanah Rata in a group of 5 machines, crashed near the Slim River following tail rotor failure. Operation Firedog Send Updates Use APP to upload photo @ (optional) When Now? / / Send