Не совсем
a. For operational purposes, a flight is one or more
aircraft proceeding on a common mission.
b. For recording and reporting purposes, a flight
begins when the aircraft first moves forward
on its takeoff run or takes off vertically from
rest at any point of support and ends after
airborne flight when the aircraft is on the
surface and either:
(1) The engines are stopped or the aircraft has
been on the surface for 5 minutes, whichever
comes first
Время от запуска до остоновки двигателя записываэт как правило гражданской авиации поскльку большинство пилотов берущих самолет в аренду платят с момента запуска до момента остановки двигателя.