Unusual and interesting toilets from all around the world.

How Well Do You Know Flying Toilets?

No, it's because of sudden pressure changes.

The vacuum flushing system may cause the pressure altitude within the tiny toilet compartment to suddenly jump by 5 to 20 meters or even more. Take a pressure altimeter into the lavatory with you to learn more.

Since airliners fly at high altitude, your ears pop throughout the flight. You only notice this in the relative quiet of the lavatory. The constant background roar of the engines makes your ears pop The vacuum flush system drops the air pressure in the compartment.

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