This module introduces students to the key aircraft systems on board commercial aircraft. Students will be able to appreciate how each major aircraft system works seamlessly with other systems. One of the main topics covered is aircraft instrumentation such as gyroscope, altimeter and pitot-static system. Students will also learn other topics such as GPS system, radio communications equipment, Instrument Landing Systems, Traffic Collision and Avoidance System, as well as the principles of automatic flight control system in aircraft.