Detailed history and photos of helicopter Westland Wessex HU.5 Serial wa550 Register XT768 used by Fleet Air Arm RN (Royal Navy) ,Westland Track service timeline and current status.
Spent much of period 1974-1979 instrumented with cameras and strobe lights in Denmark and Canada searching for icing conditions as test bed airframe for EH101 main rotor de-icing system.