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Which flight control moves the airplane about its longitudinal axis?
Choices
✓ The aileronscorrect
The ailerons control roll about the longitudinal axis.
The elevator
The elevator controls pitch about the lateral axis.
The rudder
The rudder controls yaw about the vertical axis.
The flaps
Flaps change lift and drag but are not a primary axis control.
Why
Roll about the longitudinal axis is controlled by the ailerons; the elevator controls pitch and the rudder controls yaw.
FAA source: PHAK Ch. 5browse the reference library →
This is taught in Stability, the Three Axes and Coordinated Flight — study the lessons free, then practice with grading and mastery tracking.
Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.