Lockheed Tristar / Royal Air ForceLockheed Tristar RAF airborne refueler airplane model. The RAF has a mixed fleet of nine hose and drogue extended Lockheed L 1011 TriStar aircraft, which are operated by No 216 Squadron, based at RAF Brize Norton, Oxfordshire, in the air transport (AT) and air to air refuelling (AAR) roles. The aircraft, which previously saw airline service when they were owned by British Airways and Pan Am, were purchased by the RAF in the early 1980s. , ,Mahogany