Flight / Sortie
- A flight/sortie begins when the aircraft begins to move forward on takeoff. It ends after airborne flight when the aircraft returns to the surface and any of the following conditions occur:
(1) The engine is stopped, or any engine on a multi-engine aircraft.
(2) A change is made in the crew which enplanes or deplanes a crew member. A single flight may include multiple take-offs and landings.