Helicopter Westland Wessex HC.2 Serial wa535 Register XT667 used by Royal Air Force RAF. Built 1966. Aircraft history and location Aircraft History XT667 Royal Air Force Westland Wessex HC.2, c/n WA535, f/f: 23/09/1966 del Royal Air Force as XT667, 03/10/1966 w/o 17/09/1993. Send Updates Use APP to upload photo @ (optional) When Now? / / Send