ピッチアップ

noun, noun or participle which takes 'suru', intransitive verb

pitch-up

Aviation term for an uncommanded nose-up pitching motion of an aircraft, often due to aerodynamic effects at high angles of attack.

• 急きゅうなピッチアップが発はっ生せいし、機き体たいが上うわ向むきになった。

  A sudden pitch-up occurred, and the aircraft nosed up.

• この機き種しゅは高こう迎げい角かくでピッチアップしやすい。

  This aircraft type tends to pitch up at high angles of attack.