Losing Hundreds of Thousands in a Single Go! Jet Fuel Costs 5,000 Yuan per Ton, So Why Do Planes Dump Fuel in Mid-Air?

Jerry Wang
7 min readApr 24, 2024

The Motives and Principles Behind Mid-Air Fuel Dumping

Whenever a plane flies overhead, a thunderous roar can be heard on the ground below.

Sometimes, you can see the plane tracing a white arc in the sky, creating what looks like a long string of “clouds.” In fact, this is the plane dumping fuel.

Fuel dumping by planes is actually quite a common occurrence.

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Jerry Wang

Since I was young, I have always enjoyed reading biographies of historical figures, especially those about World War II, including documentaries and novels.