So the clock starts when the PIC pulls the aircraft out of the hangar in preparation for a flight, keeps going while she does the daily inspection in preparation for the flight, keeps going when she taxis over to fill up with fuel in preparation for the flight, keeps going while she whips into the hangar for a nervous wee in preparation for the flight, and only stops once the aircraft ‘comes to rest’ at the end of the flight for which she was preparing?
And another thing…
What’s the definition of “aircraft class rating”?