Airlines report washing every two to six months - often in line with the A or B check maintenance schedule. AIrcraft can be washed with water and detergent, or dry washed.
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Narrator: Over the course of a 20- to 30-year life span, commercial planes are completely repainted as often as every seven to 10 years, depending on the size, accumulated flight time, and the climate of the plane's route.
In the year 2000, the Union of Needletrades, Industrial, and Textile Employees accused some of its clients of repackaging their blankets without ever cleaning them, Bravo reported. A few years later, The Wall Street Journal released a report explaining that most airlines only clean their blankets every five to 30 days.
Most people don't want to use a dirty blanket, but surely airlines don't throw them away… right? Well, good news: in the vast majority of cases, they're washed, reused, recycled and, in some cases, even made of recycled materials, so you can snuggle up in one with a clear environmental conscience.
The cleaning crew will scrub the toilets, mop the floors, and make sure everything is clean and sanitized before passengers board the plane again. The cleaning crew will empty all the waste, scrub all the surfaces, and mop the floor. They'll also restock supplies such as toilet paper, hand soap, and paper towels.
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.
Rain is just water, no matter the pressure. Modern aircraft can generate lift regardless of the heaviness of the rain. Planes can and will take off and land in the rain. The only real problem with heavy rainfall is the decrease in visibility for the pilots.
To be extra safe, the CUNY researchers advised people never to drink water onboard a plane that does not come from a sealed bottle. They also said passengers should not drink coffee or tea brewed on their flight, and that they should even use hand sanitizer instead of washing their hands with onboard water.
Airlines find that fuel dumping can actually be cheaper than not dumping in certain circumstances. But it's not something pilots do on a routine basis. We spoke with Alison Duquette, spokesperson for the Federal Aviation Administration (FAA), who assured us that it doesn't happen very often.
If there is a long layover, pilots will often run or walk to get some exercise. Some will go sightseeing, while others will make use of the hotel's Internet to catch up on e-mail and bills, or if they are in school they may get homework done. Today, some of the training courses pilots frequently take are online.