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What are jet contrails?

Updated: 9/15/2023
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15y ago

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Jet contrails are water condensation resulting from the rapid compression and decompression of the air around the wing as the airplane moves through the atmosphere.

The atmospheric conditions have to be just right for contrails to occur, and that is why you sometimes see contrails seem to wink off and on, as the airplane passes through drier air the contrails will stop.

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15y ago
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Q: What are jet contrails?
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Related questions

What is the mission of the airplanes that leave contrails?

To be an airplane with jet engines? All jet airplanes leave contrails.


What are jet contrails made of?

water vapor


What are contrails?

contrails are "clouds" formed by the hot, humid air from plane/jet engines which mixes with water vapor high in the sky, then turning into ice crystals which then create contrails.


When you see contrails from a jet at 40000 feet do you ever hear the sound of that jet on the ground?

No. You would hear the jet as it passes over, but since light travels faster than sound you will have to look ahead of where you think the sound is coming from in order to see a jet. But if the contrails are already there, the jet would have come and gone already.


What is the white trail behind a jet plane composed of?

The jet contrails are exaust from the jet engines, which is mostly carbon dioxide and water vapour.


What is the name of the fume like seen in the air when a jet flies?

Contrails or vapour trails.


How super fast jet planes rockets has caused the enviormental pollution?

Sulfur particulate and contrails from aircraft can produce high altitude pollution


What can you infer about the height at which jet airplanes fly based on the fact that their contrails form cirrus clouds?

Cirrus clouds only form at high levels, so jet plaanes fly at super high levels.


What can you infer about the height jet airplanes fly based on the fact that their contrails form cirrus clouds?

Cirrus clouds only form at high levels, so jet plaanes fly at super high levels.


What is white residue on evaporation of jet fuel?

If you are referring to the expansive wisps of what appears to be long cirrus clouds that trail behind jet engines in flight, then you are talking about condensation trails, or contrails. These are caused by the water vapour, a by-product of exhaust, rapidly saturating the surrounding air. At high altitudes, these tiny water droplets condense and remain suspended as ice crystals. Contrails can also be caused by the wingtip vortices of heavy aircraft at low speeds travelling through a high relative humidity environment. Although these contrails usually occur much closer to the ground, and do not remain suspended for an extended period of time, as do the contrails caused by exhaust.


Why is there big white lines in the sky from airplanes?

The contrails are the result of 1200 degree jet exhaust being released into much, much colder ambient air.


Do airplane contrails affect the weather?

No it is the weather that facilitates the production of contrails.