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aileron

aileron

4 8.4
A small hinged part on an airplane wing that tilts the plane to one side to help it turn
  • noun
  • /ˈeɪləˌrɒn/
  • Specialized
translation icon : alabeo
  • Keep your ailerons and rudder coordinated for better control during flight.
  • aileron control

So to the the rudder and to the ailerons and the elevator at the back.

Examples

  • Incredibly, airframe damage was pretty minor—a few small creases on the wings, ailerons, and horizontal stabilizer.

    Blog text (13)
  • The aileron controlled the rate of turn, which was measured with a piezoelectric gyro.

    Academic text (2004)
  • Look at the size of that aileron...

  • You will notice that there are no ailerons or elevators on this plane.

  • The outboard ailerons were dead.

    Fiction book (1991)
  • Keep your ailerons and rudder coordinated.

  • These balance planes, or ailerons, provided an alternative to the Wrights' wing warping.

    Academic text (2003)
  • Ailerons, which work like flaps on an airplane wing, are the most important development featured in the Northwind 250.

    Academic text (1994)
  • Wind tunnel tests at Wichita State University in Kansas have confirmed the ability of ailerons to control power and prevent the rotor from overspeeding.

    Academic text (1994)
  • Airplanes turn while remaining aloft primarily by controlling the positions of ailerons mounted on horizontally oriented wings.

Synonyms

control surface
vsaileron
  • Specialized
1 6.6

A movable part on a plane that the pilot moves to steer or keep it steady

is a specific wing surface that controls roll for lateral balance
elevon
vsaileron
  • Specialized
9.9

A moving wing part at the back of a plane that controls up-and-down and tilting movement

is focused on lateral balance and controls roll only

Surface Forms

aileron singular
ailerons plural

Etymology

The word aileron comes from the French aile meaning 'wing' and the ending -eron meaning 'small', so it literally means 'little wing'. That's why an aileron is the small wing on a plane that helps it tilt side to side to turn.