from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A control surface on an airplane that combines the functions of an elevator and an aileron.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a moveable surface at the trailing edge of a tailless airplane (such as the space shuttle) that provides pitch and roll control


elev(ator) + (ailer)on.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Blend of elevator and aileron (Wiktionary)


  • A special schedule of elevon position with respect to velocity is followed to protect the wings from excessive loads and to hold the body flap and rudder/speed brake in place.

    Transition Team Update - NASA Watch

  • There was evidence that during the breakup sequence, the right Solid Rocket Booster struck the outboard end of the Orbiter's right wing and right outboard elevon.

    Shuttle Shutdown Coming - NASA Watch

  • Each tail boom supports a horizontal tail with an elevon at its trailing edge.

    NASA Watch: Keith Cowing: April 2007 Archives

  • Hoot would later tell me his eyes were never long from the elevon position indicators, certain a left-right split in those instruments would be the first hint the right wing was melting.

    Riding Rockets

  • He said, All four of them are located in the aft part of the left wing, right in front of the elevons ... elevon actuators.

    Columbia's Last Flight

  • Kling answered, "To the left outboard and left inboard elevon."

    Columbia's Last Flight

  • Again, we see an increase in the roll trim, as indicated by elevon motion, indicating that the vehicle was reacting to an increased drag on the left-hand side.

    CNN Transcript Feb 2, 2003

  • As we are starting to look at the trail of this wiring, as it goes through the fuselage and out to the elevon, it has a common point as it goes adjacent to the wheel well.

    CNN Transcript Feb 2, 2003

  • It's also important for us that we understand and have found out that the elevon temperature measurements that I talked about that had dropped offscale low, are routed adjacent to the wheel well area.

    CNN Transcript Feb 2, 2003

  • What -- I know you're looking at flight controls and other things, but is there anything in the activity of the shuttle orbiter that would be consistent with the types of maneuvers you're seeing and the response from the elevon and the heating that would be other than missing tiles?

    CNN Transcript Feb 2, 2003


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