Aileron
A drawing of an airplane with the ailerons highlighted in red

Ailerons cause one wing tip to move up and the other wing tip to move down, helping a plane turn. Image Credit: NASA

      movable flaps on the wings of an airplane that are used to control the plane's side-to-side movements



Sentences:
The pilot uses ailerons to turn an airplane to the right or left.

The word "aileron" is French for "little wing."



More Information:
http://www.grc.nasa.gov/WWW/K-12/airplane/alr.html   →
http://www.ueet.nasa.gov/StudentSite/aeronautics.html   →
http://www.ueet.nasa.gov/StudentSite/airplanes.html   →