Stick shaker

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

A stick shaker is a mechanical device designed to rapidly and noisily vibrate the control yoke (the "stick") of an aircraft, warning the flight crew that an imminent aerodynamic stall has been detected. It is present on the majority of large civil jet aircraft, as well as most large military planes.

Excerpt from the Wikipedia article “Stick shaker”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Les Rickman, GFDL 1.2, via Wikimedia Commons.