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

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

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

From Famous Flyers And Their Famous Flights by Grayson, J. J.