Flying Above The Clouds: What Happens When You Flush An Airplane Toilet
How The Airplane Toilet Works: Flushing an airplane toilet is very different from flushing a toilet at home. Instead of using a large amount of water, airplane toilets use a vacuum system. When you press the flush button, a valve opens for a brief moment, and powerful air pressure pulls the waste into a sealed holding tank. That loud rushing sound you hear is the vacuum doing its job. The system uses very little water, making it much more efficient than a standard household toilet.