What happens to sewage on airplanes?

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asked Dec 14, 2021 in Aircraft by Lakeitsmith (720 points)
What happens to sewage on airplanes?

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answered Dec 14, 2021 by fastiback322 (660 points)
The sewage and waste such as poop, pee etc on planes all goes into a sewage tank below the plane.

Just like on an RV the sewage leads into a tank for collection and holding until the plane lands and then when the plane lands a truck will go up to the plane, hook a hose up to the tanks and drain the sewage out.

The sewage then either gets dumped into a sewage pipe into a sewer system or sent off somewhere else for disposal.

The sewage on planes does not get dumped out of the plane and out of the sky.

When flying the planes sewage remains on the plane until they land and then they remove the sewage using sewage pumping trucks.

The planes just like RV's have sewage tanks known as black water tanks and gray water tanks that the water goes into.

The toilet water and poop, pee etc all go into a black water tank underneath the plane and the gray water from sinks etc goes into a gray water tank in the same location as the black water tanks.

Then when the plane lands a truck will come around and hook a hose to the planes sewage tanks and pump out and suck out the sewage from the planes sewage tanks.

Then the sewage gets sent off to a location to be dumped such as on fields etc or gets dumped into a sewage line to go to a sewage treatment plant.

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