Does Jet Fuel Evaporate When Dumped?

Dumped jet fuel is supposed to evaporate before it hits the earth, but even Boeing has said that "Even though fuel is vaporized, "it is still suspended in the atmosphere.

What happens to jet fuel when it's dumped?

When an aircraft decides to dump fuel at altitude, the pilots flick a switch in the cockpit, and pumps push the fuel out of nozzles in the wings. The fuel disperses over a wide enough area that the particles evaporate into a fine mist.

Does dumped fuel reach the ground?

The Reason Why Fuel Dumped From an Airplane Doesn't Reach the Ground. Airplane fuel sometimes needs to be jettisoned. Here's a little-known fact about airplanes. To land safely, they typically need to be lighter upon landing than they were during take-off.