Relax 2025-02-08 17:03:31

You've flown many times but maybe you still don't know this!

Those who love sitting by the window on airplanes are probably familiar with the small hole at the bottom of the window—a tiny mystery that plays an indispensable role in the engineering design of airplanes.

The small hole in airplane windows helps maintain safe air pressure inside the cabin and releases moisture, preventing the windows from fogging up.

As the airplane ascends, the air pressure decreases. The air pressure outside is significantly lower than inside the plane, creating harmful physical effects on the airplane window.

Airplane windows consist of three separate panes (outer, middle, and inner). The small hole in the middle pane, also known as a "bleed hole," helps balance the air pressure between the cabin and the small gap between the middle and outer panes. This means the outer pane takes on the full pressure, while the middle pane acts as a safety backup.

The inner pane doesn’t bear any pressure but helps protect the middle and outer panes from damage that could be caused by passengers. The "bleed hole" also releases moisture, preventing the windows from fogging up.

News in the same category

News Post

Vitamin D Overdose: When Good Intentions Turn Toxic

Vitamin D Overdose: When Good Intentions Turn Toxic

Vitamin D is often celebrated as the “sunshine vitamin,” vital for bone strength, immune health, and even protection against certain chronic diseases. But while moderate amounts are essential, excessive or unsupervised intake can be toxic—and in som

Health 15/09/2025 16:55