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SESK: Stuff Everyone Should Know · sesk.info/sport-ailerons-roll-axis

Ailerons control roll about which axis of the aircraft?

The longitudinal axis, running from nose to tail.

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  1. Vertical axis
  2. Lateral axis
  3. Longitudinal axis ✔

Why: Ailerons sit on the outer rear edge of each wing and move in opposite directions. That rolls the aircraft around its nose-to-tail line, the longitudinal axis.

Huh, didn't know that: The elevator controls pitch about the lateral axis, and the rudder controls movement about the vertical axis.

The dad joke
What did the left aileron say to the right aileron? You go up, I'll go down.
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References

Answer: Longitudinal axis. Ailerons sit on the outer rear edge of each wing and move in opposite directions. That rolls the aircraft around its nose-to-tail line, the longitudinal axis.

  1. FAA Pilot's Handbook of Aeronautical Knowledge, Chapter 6 www.faa.gov/sites/faa.gov/files/08_phak_ch6.pdf
    Ailerons control roll about the longitudinal axis.
    Checked 2026-10-11.
  2. FAA Pilot's Handbook of Aeronautical Knowledge, Chapter 6 www.faa.gov/sites/faa.gov/files/08_phak_ch6.pdf
    The elevator controls pitch about the lateral axis.
    Checked 2026-10-11.

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