Helicopter Westland Sioux Serial wa570 Register XV316 used by Royal Air Force RAF. Built 1967. Aircraft history and location Aircraft History XV316 Royal Air Force 1967-11-06 A EGOERAF Sioux HT.2 d/d - served with CFS coded F based at RAF Ternhill - w/o 22apr70 CFS (H) Send Updates Use APP to upload photo @ (optional) When Now? / / Send