Flight controls and fly-by-wire
7 min read
Primary and secondary
Primary controls (ailerons, elevators, rudder, often spoilers for roll) control the attitude; secondary controls (flaps, slats, speed brakes, trim) change the configuration or remove control forces. Pitch trim on airliners usually moves the whole trimmable horizontal stabiliser.
IN THIS LESSON
- Powered controls
- Fly-by-wire
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