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Watch: How Airplanes Deal With Waste From Onboard Toilets
By Yap Yen, 17 Mar 2016
Do you ever wonder what happens to all the waste on an airplane?
Previously, airplanes relied on blue sanitation fluid, but this system often leaked and formed a ball of blue ice and frozen waste. These days the waste stays on board thanks to the invention of the vacuum system. Modern airplane toilet bowls rely on strong suction and teflon-coated walls to flush, causing waste to accelerate through its pipes faster than a Formula One race car.
Once the plane touches down, it also has to “empty its bowels”. In fact, it cannot take off for its next flight until the human waste is removed. The Honey Truck, usually one of the first vehicles to reach the plane, is equipped with a 800-gallon stainless steel waste tank to drain the waste.
Watch the video below for more detailed explanation.
[via Laughing Squid, video via Smithsonian Channel]
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