whipstall
/ˈwɪpˌstɔl/
noun
- A dangerous stall in an aircraft where the nose suddenly pitches up and then drops sharply.
- A whipstall can occur if the plane's speed gets too low during a steep climb.
- The pilot recovered from a whipstall by carefully lowering the nose and increasing power.
- Flight instructors teach students how to avoid and correct a whipstall.