INTRODUCTION The Lockheed L1011 Tristar is a long range strategic transport aircraft designed to carry passengers and cargo or a combination of both. The RAF has a total of 9 Tristars. The Royal Air Force operates 3 types of converted L1011 500 aircraft, that we have designated the C2, KC1 and the K1. (In military aviation speak, the C means cargo/passengers and the K means an air to air ...