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They are called contrails. They are formed when hot exaust from the jet engines reacts to the much cooler upper atmospheric air and water vapor forms, usually freezing and making those long thin clouds that criss cross the sky.

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15y ago
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5mo ago

Black smoke from aircraft jet engine exhaust can be caused by incomplete combustion of fuel, which could result from engine malfunctions, incorrect fuel-to-air ratios, or poor maintenance. It may also indicate that the engine is operating at a higher power setting than normal, causing excess unburned fuel to be expelled as soot.

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13y ago

Sometimes jet engines do not completely burn their fuel, resulting in a visible smoke trail behind the aircraft due to incomplete combustion and the inclusion of non-hydrocarbon impurities.

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Q: What can cause black smoke from aircraft jet engine exhaust?
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Continue Learning about Chemistry

Supersonic flight can cause molecules on the surface of an airplane to break apart and chemically react what additional challenges to flight does this create?

Supersonic flight can lead to high temperatures on the aircraft's surface due to air friction, which can cause materials to degrade and potentially weaken the structure. This can result in increased maintenance requirements and shorter lifespan for the aircraft. Additionally, the formation of shockwaves and sonic booms can cause noise pollution and air disturbance.


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Related questions

What would cause gas in the exhaust on a motorcycle?

Exhaust of an engine is a gas.


What cause black smoke in the exhaust?

Black smoke is caused by the engine ~not~ burning all of its fuel. The most common cause of incomplete fuel burn is a clogged air filter, exhaust system (muffler) or injectors covered with carbon build-up. Another cause is too much fuel entering the engine to be burned due to either bad calibration or too heavy a load.


What cause engine to run rich with black exhaust?

black exhaust indicates too much fuel or insufficient air in the mixture. It may be a leaking or sticking injector, a blocked air filter or a sensor may not be functioning properly and the computer is sending more fuel to the engine to compensate.


What engine control or sensor would cause black sooty exhaust above idle speed on a 1988 merkur xr4ti?

Could be EGR Valve.


What would cause backfir?

Exhaust leaks close to the engine.


What can cause black carbon from the exhaust?

It would be unburnt fuel


What causes black sooty exhaust?

What can cause black sooty exhaust is bad valve guides. When the guides are bad oil leaks into the cylinder when the car isn't running. When the car starts it produces black exhaust.


How will a hole in the exhaust cause black smoke?

A hole in the exhaust can disrupt the proper airflow and pressure balance in the exhaust system, leading to incomplete combustion of fuel. This can result in black smoke being emitted from the exhaust, as unburned fuel particles are released into the atmosphere.


Will an exhaust leak at the rear exhaust port of a 460 ford engine burn a valve or cause other harm to the engine?

Yes, a prolonged exhaust leak will eventually cause problems with your cylinder head. The leaking exhaust is very hot and you can cause small cracks in the head if you don't repair the problem promptly. If you can hear the exhaust leaking, it may already be too late! Get it checked out soon!


What damage does fire cause to aircraft?

May cause engine stop. And if the aircraft is standing still with fire around it, the flames can enter the vent holes for the fuel tanks and cause explosion.


What is the cause of white smoke from the exhaust of a marine diesel engine?

White smoke means water, blue/black smoke means oil, black smoke can also mean the fuel mixture is too rich.


What can cause white smoke from a diesel?

Moisture in the exhaust, or a cold running engine.