Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumflight-controls
A servo tab differs from a trim tab because it:
A
Is controlled by the autopilot only
B
Is electrically driven
C
Moves the main surface aerodynamically when the pilot moves the tab
D
Only operates at high speed
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See where you stand: 5 hard questions, instant score, every answer explained.