Helicopter Westland Sioux Serial wa575/was212 Register G-BCZK XV321 used by Royal Air Force RAF. Built 1968. Aircraft history and location Aircraft History XV321 Royal Air Force 1968-01-03RAF Sioux HT.2 d/d 03jan68, 24mar75 to G-BCZK G-BCZK - 1976-10-20Reg to British Executive Air Services Ltd, Coventry EGBE, , w/o 20oct76 Send Updates Use APP to upload photo @ (optional) When Now? / / Send