bank indicator

American  

noun

Aeronautics.

1. a flight instrument that measures the angle of roll about an aircraft's horizontal axis, thereby indicating whether or not the aircraft is skidding or slipping.

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Example Sentences

The turn and bank indicator also reads from zero, and deviates from zero when the plane dips.

From Project Gutenberg

Airmen reported: "The instrument panel kept melting and dripping to the floor." and "On several occasions the bank indicator showed a hippopotamus smiling at me."

From Time Magazine Archive

In a rebuilt Eaglerock Bullet which she called an "unairworthy crate rescued from the junkpile," devoid even of a turn-&- bank indicator, she flew solo last fortnight from Pittsburgh to Havana.

From Time Magazine Archive