ATPL: The purpose of a trim tab (device) is to:
Domanda 67, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
| Trim The Aeroplane During Normal Flight. |
| Trim The Aeroplane At Low Airspeed. |
| Reduce or to cancel control forces. |
| Lower Manoeuvring Control Forces. |
