Have you ever wondered what would happen if the window of the plane suddenly breaks while flying? Suppose if a plane is flying at a very high altitude in the air and suddenly for some reason its window gets shattered, then what consequences does the plane have to suffer.
In the year 1990, such an incident has happened once in British Airways Flight 5390. When this plane was 17,300 feet above the sky, the front windshield or windscreen panel of the plane got separated from its frame. The pilot was Tim Lancaster, and he was literally started to blow out of the aircraft. Almost his entire body had sucked out of the plane but fortunately, at the same time, an air steward, hearing a loud bang, entered the cockpit, caught the pilot at the last second, and held onto him until the second pilot landed the plane safely at Southampton Airport. The pilot, Tim Lancaster, who was hanging outside, more than half of his body remained out of the aircraft till the landing, around twenty minutes, but his life was saved, there was only a slight fracture in his hand.
Another similar incident took place in 2018 with Sichuan Airlines Flight 3U8633. What happened in this incident was that after 40 minutes of departure the plane's front window or windshield got completely blown off. But luckily the pilots were wearing seatbelts, due to which they did not hang outside the plane and landed the plane safely. During this incident, the plane was about at an altitude of 9 km or 32000 feet, both the pilots somehow safely landed the plane with the help of seatbelts and no passenger was harmed.
Now the question is, when the windshield or window of the plane breaks, then why there is so much outcry inside the plane. Actually, the cabin of the plane, that is, the area inside the plane, is completely pressurized, otherwise, you will not actually be able to breathe properly the higher the plane flies in the sky. That's why such artificial condition is made inside the plane as it happens in your room or at any normal place, where the temperature and pressure are kept normal as compared to outside conditions. The plane also maintains such condition for us that makes us feel completely normal inside it.
Otherwise, if the pressurized cabin is not created and left as such, that is, the area inside the aircraft is left as normal as on a normal bus, and taking the aircraft to an air journey. Then the passengers will neither be able to breathe properly nor remain conscious, so artificial conditions are quite necessary. When the plane remains higher in the sky, during that time if you can experience the condition outside, then it is actually very cold at that altitude where oxygen is also less and air pressure too. This is the reason why it becomes very difficult to breathe in such a high area.
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On the other side, when a window or part of the plane is broken, all the artificial pressure generated inside starts vanishing, and the artificial condition which has been created inside started to merge with the external condition. And the abnormal condition of such a higher level begins to form inside the cabin of the plane, entering through a particular broken part. As a result, we start feeling the actual speed of the plane, varying from 500 to 1000 km per hour, that is why there is so much outcry or disturbance produced in the cabin and this whole process is known as Explosive Decompression.
But in fact, the glasses of today's planes are quite strong which are not easily breakable. Today's window glass is not the same as the normal bus glass but has become very advanced and the chances of it breaking are very less. These advanced glasses have many such layers as you can see in the picture, that is why even if one layer breaks, the chances of breaking the whole glass are very less.
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