This Is The Reason Why Airplane Windows Have A Tiny Hole In Them

Flying is something that many people like to do, either for work or travel. Have you ever noticed a tiny hole in your window? These holes are small but actually serve an important safety function.


The hole is in each window, and it is located at the bottom of the window pane. All airplanes have them and they are essential in the build of the airplane.

There are so many features on an airplane that go unnoticed for the average person, and this is probably one of them.

But once you find out what this tiny hole is for, you will feel a lot safer about traveling in airplanes and will be glad that these holes exist.


The hole in the airplane window is called a breather hole or a bleed hole. The window is made up of three panes working together, each with its own function. The inner pane protects the others, the middle pane has the hole in it and is sandwiched by an outer pane.


These window panes actually regulate the cabin pressure, which at 10,600 meters (35,000) feet in the sky is essential. The pressure during an average flight is about 1.5 kilograms (3.3 pounds) per square inch, and that pressure is too low for the human body. With this pressure so low the human body would lose consciousness.

These three panes in the window work to artificially maintain a certain pressure so we can fly comfortably. The breather hole has the main purpose of equilibrating the pressure of the aircraft cabin. It also works to release moisture from the air gap, which helps barricade fog or frost forming on the windows.


Click NEXT POST to read more stories like this and don’t forget to SHARE with your Facebook friends.

More From Bestie