Fuel dumping

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Science and technology

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What Wikipedia says

Fuel dumping (or a fuel jettison) is the ejection of fuel by an aircraft while being in the air. It is done in certain emergency situations before a return to the airport shortly after takeoff, or before landing short of the intended destination (emergency landing) to reduce the aircraft's weight.

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

Image: Bobmil42, CC BY 3.0, via Wikimedia Commons.