REGP25

Question 1

Define accelerate-stop distance

Answer 1

Accelerate-stop distance
The distances necessary to accelerate the airplane from a standing start with all engines operating to rejection of the takeoff and come to a full stop.

Aircraft manufacturer published data.

§25.109 Accelerate-stop distance.

Question 2

Define takeoff distance

Answer 2

Takeoff distance
The greater of—
(1) The horizontal distance from the start of the takeoff to the point at which the airplane is 35 feet above the takeoff surface (assuming an engine failure occurs); or
(2) 115 percent of the horizontal distance along the takeoff path, with all engines operating, from the start of the takeoff to the point at which the airplane is 35 feet above the takeoff surface.

Aircraft manufacturer published data.

§25.113 Takeoff distance and takeoff run.

Question 3

Define landing distance

Answer 3

Landing distance
The horizontal distance necessary to land and to come to a complete stop from a point 50 feet above the landing surface.

Aircraft manufacturer published data.

§25.125 Landing.