The term 'Cockpit Boss' is a job description for a PILOT, which is a five-letter word. A PILOT is responsible for the safe operation of an aircraft, and is the commander of the aircraft during flight. The PILOT is in charge of the cockpit, which is the area of the aircraft where the flight crew operates the aircraft. The PILOT is the ultimate authority in the cockpit, and is responsible for the safety of the passengers and crew.