The small hole, known as the "breathing hole" or "bleed hole", is located in the center panel.

Although this hole may seem insignificant, its function is vital. It allows the pressure between the passenger cabin and the center panel to equalize.

<img alt="What's That Thing: Why are there holes in airplane windows?" src="https://compote.slate.com/images/1e22242b-ca70-40fd-8adf-61dc098b66d5.jpg?crop=668%2C501%2Cx0%2Cy0" />

The small hole, known as the "breathing hole" or "bleed hole", is located in the center panel. Although this hole may seem insignificant, its function is vital. It allows the pressure between the passenger cabin and the center panel to equalize.

The small hole, known as the "breathing hole" or "bleed hole", is located in the center panel.

Although this hole may seem insignificant, its function is vital. It allows the pressure between the passenger cabin and the center panel to equalize.



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Did you know that the tiny hole on Aeroplane windows serves are very important purpose!!

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Did you know that the tiny hole on Aeroplane windows serves are very important purpose!!

Did you know that the tiny hole on Aeroplane windows serves are very important purpose!!