スピードブレーキ

noun

speedbrake; air brake

Aircraft term for a device that increases drag to reduce speed; also used in some automotive contexts. The cross-reference to 空力ブレーキ suggests a similar aerodynamic braking function.

See also: 空力ブレーキ

• パイロットは着ちゃく陸りく時じにスピードブレーキを作さ動どうさせた。

  The pilot deployed the speedbrake during landing.

• この飛ひ行こう機きのスピードブレーキは主しゅ翼よくの上じょう面めんにある。

  This aircraft's speedbrakes are located on the upper surface of the main wings.