A U.S. Navy A-6E Intruder approaches for a landing on the USS Dwight D. Eisenhower (CVN-69) in 1980, with its decelerons and tail hook deployed.

A deceleron, or split aileron, was developed in the late 1940s by Northrop originally for use on the F-89 Scorpion fighter aircraft. It is a two-part aileron that can be deflected as a unit to provide roll control, or split open to act as an air brake. Decelerons are also used on the Fairchild Republic A-10 Thunderbolt II, the A-6 Intruder and the Northrop B-2 Spirit flying wing.

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  • deceleron — /dee sel euh ron /, n. Aeron. an aileron that acts as a brake. [b. DECELERATE and AILERON] * * * …   Universalium

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  • deceleron — de·cel·er·on …   English syllables

  • deceleron — dēˈseləˌrän noun ( s) Etymology: decelerate + on (as in aileron) : a split lateral control surface combining the functions of aileron and air brakes on an airplane * * * /dee sel euh ron /, n. Aeron. an aileron that acts as a brake. [b.… …   Useful english dictionary

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