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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Aircraft General Knowledge - Airframe, Systems, Powerplant > What is the primary purpose of an adjustable trim tab on a primary flight-control surface?

67 - ATPL Question Bank in English - What is the primary purpose of an adjustable trim tab on a primary flight-control surface?

Question 67 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot Licence

To provide thermal anti-icing of the control surface

To replace the primary control surface in every flight condition

To reduce or remove the sustained control force needed to maintain the desired condition

To lock the primary flight controls automatically whenever the autopilot is disengaged

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