Page 474 - PPL-engelsk 2025

Principles of flight

Flaps may only be used in the “white” arc of the airspeed indicator. The aircraft

stalls at a lower speed, but also at a lower angle of attack when flaps are used.

When you fold out the flaps, you get a larger angle of attack, which means that

the wing stalls at a lower angle of attack compared to the basic profile.

5.4.4.2 Side effects of using flaps

When the flaps are extended, the conditions change so that the nose of the

aircraft pitches up or down. You then must trim the aircraft to get the nose of
the aircraft back into the correct position.

When overshooting:

- full throttle

- safe speed

- flaps to take off setting

- climb with VX until obstacle passed
- at safe height flaps up

Flight Theory PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2025 474