A Federal Flight Deck Officer is a Part 121 Airline Pilot who is trained and licensed to carry weapons and defend commercial aircraft against criminal activity and terrorism.

In aviation, the sterile flight deck rule or sterile cockpit rule is a procedural requirement that during critical phases of flight (normally below ), only activities required for the safe operation of the aircraft may be carried out by the flight crew, and all non-essential activities in the cockpit are forbidden.

An armoured flight deck is an aircraft carrier flight deck that incorporates substantial armour in its design.

The flight-deck cruiser was a proposed type of aircraft cruiser, (warships combining features of aircraft carriers and light cruisers), designed by the United States Navy during the Interwar period (between World War I and World War II).