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.
- Also called ball indicator, slip indicator.
- Compare bank-and-turn indicator.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use bank indicator in a sentence
From his compass his eyes darted to his turn-and-bank indicator, then to his air speed indicator.The Flying Reporter | Lewis E. (Lewis Edwin) Theiss
The turn and bank indicator also reads from zero, and deviates from zero when the plane dips.Famous Flyers | David Goodger (email@example.com)
The steel ball in the centre of the turn-and-bank indicator had to be kept right in the centre.The Flying Reporter | Lewis E. (Lewis Edwin) Theiss
The turn and bank indicator was performing a kind of tango round the dial.Astounding Stories of Super-Science January 1930 | Victor Rousseau