Why do they spray planes after landing?

The spraying of airplanes as they land is a tradition known as the “water salute.” As explained by Wikipedia, it's performed for ceremonial purposes, such as the retirement of an airplane. When an airplane makes its final flight, it's honored with the water salute once it lands on the tarmac.



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As the airplane's engines release exhaust gases, moisture vapor is released as well. The cold temperature and low air pressure at high altitudes forces this moisture to condense, which creates the characteristic white smoke trail for which airplanes have become widely known.

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Jet Fuel. The distinct smell inside commercial airplanes is often attributed to jet fuel. During flight, commercial airplanes burn a mixture of jet fuel and oxygen in their engines to produce propulsion. When jet fuel burns, it creates odorous vapors that may enter the cabin.

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A lot of airports have restrictions on night flights because of noise issues. Also some smaller domestic airports close at night. There are a few that leave late at night in order to take advantage of the time difference in the arrival city. There aren't more because there isn't much demand for them.

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If it's severe turbulence then yes, and if there are very strong crosswinds during takeoff or landing then the pilot can feel nervous about it.

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One of the most believed ones is that touching the plane offers a bit of good luck, like passengers are thanking the plane for its services and asking it to get them to their destination safely. Pilots share this same thought process with passengers though they like to touch the nose of the plane specifically.

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That's because the Centrifugal force that is created by the rolling counteracts gravity. If the pilot would do the roll over slower, the water would spill.

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There is a valve on the storage tank that opens when a toilet is flushed and closes when the toilet is not in use – to prevent odours from leaving the tank. This helps to keep the smell down from so many people using the toilet during a flight. The blue chemical helps to keep the smell down as well.

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Should you shower after getting off a plane? If you do happen to pick up bacteria or fungi that's not your own, this may lead to itchiness and bumps on the skin and scalp. Showering after flights is probably a good thing—regardless of the length! —if only to have that clean feel after being cooped up in a cabin.

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Contrails (/'k?ntre?lz/; short for condensation trails) or vapor trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several miles above the Earth's surface. Contrails are composed primarily of water, in the form of ice crystals.

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The key difference between a jet and an airplane is that to be a jet, a plane has to have a jet engine. Essentially, every jet is an airplane but not every airplane is a jet. A jet engine could either be a turbojet or turbofan, while a non-jet engine is usually a turboprop.

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