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We will tell you in this installment what and why there is a mysterious hole in the windows of commercial airplanes, where your safety is its main objective.
you board your plane, you chose to sit by the window, you settle in your position, you look outside like a good AvGeek to see the movement of the Airport and suddenly… You realize that there is a small and unknown hole, office, hole, opening or perforation in the lower center of the window and you are left with this face ?.
I am sure that more than once you asked yourself this or as a curious child you asked your parents without a reliable answer., Well, today we tell you the origin and function of such a small, but mysterious orifice.
Aircraft window holes
First, we will talk here about its function in commercial aircraft, but these can also be found on other large aircraft, little ones, private, cargo or other, so they are not exclusive to airlines.
cleared this up, let's get to the point or let's go to the hole. This small space that we have seen in all the windows of commercial airplanes has a very clear objective and purpose., safety.
As we well know and have seen in other deliveries, airplanes are machines that in commercial passenger use, almost always, they are pressurized. As we well know or at least logic tells us, for an aircraft to stay, pressurized, no gaps can exist in the fuselage of the aircraft, opposite case, couldn't keep up the pressure, but then what does that tiny hole do?
These holes are technically called in English as 'bleed holes'.’ or 'bleed holes’ in Spanish, but first it is necessary to indicate that the window through which we enjoy the exterior landscape, It is made up of three panels, two of them made of acrylic., where the first is where we see the finger grease marks of hundreds of passengers and general dirt, the middle where the "bleed hole" is and the third which is the exterior that is in direct contact with the environment.
the bleeding hole, thus allows to balance the pressure between the cabin and the space between the panels, of which the one in the middle and the outside do the task of maintaining the pressure inside the plane. This hole reduces pressure on the center panel, so only the outer panel bears the full force of cabin pressure, and experience pressure changes gradually during the flight.
In case the outer panel was damaged, the middle one would maintain the pressure in the cabin, therefore ensuring your safety in the different stages of the flight, something so small, is critical to the safety of aircraft occupants.
Finally, Another of the functions of this hole is to release moisture and minimize frost or condensation that blocks us from taking beautiful photos from the plane, for this reason sometimes we can see circles of ice around this.
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