Squawk Codes: There is someone in the plane who understands the pilot’s thoughts without his speaking. Not only this, from time to time he also makes the Air Traffic Control (ATC) aware of all the dangers in a very confidential manner. Apart from this, whenever a plane takes off from one airport to another, it does the work of showing every movement of the plane directly on the ATC radar along the entire route. Actually, today we are talking about aircraft squawk code.
So, now let us tell you what is squawk code and how important is its role in flight operation. Actually, squawk code is a four-digit code which is given by ATC to any plane before takeoff. This four-digit unique number ranges from 0000 to 7777. During the entire journey, any plane is identified in the ATC radar through this four-digit unique squawk code. Also, the movement of the plane is recorded through this squawk code.
According to aviation experts, at present there are more than four thousand unique combinations of squawk code, with the help of which aircraft are identified in the air space. Whenever an aircraft enters an ATC space, a squawk code is given to it by the concerned ATC. The pilot feeds this squawk code received from ATC into the transponder of the aircraft. After this, the aircraft transponder keeps transmitting this code to the ATC radar throughout the journey.
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Why is squawk code needed?,
According to aviation experts, ATC radars track the movement of the aircraft from takeoff to landing. At the same time, these aircraft appear as a dot in the ATC radar. In such a situation, if many aircraft come in the same ATC area, it will be almost impossible to identify the aircraft only through DOT. To avoid such a situation, the help of squawk code is taken. The squawk code appears right next to the aircraft’s dot on the radar.

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How does one understand the pilot’s thoughts without speaking?,
According to aviation experts, there are thousands of combinations of squawk codes between 0000 and 7777, in which one number is given to the pilot of a plane just before takeoff. But there are some squawk codes which have their own meaning in symbolic form. In adverse circumstances, pilots communicate what is going on in their mind to ATC without speaking through these squawk codes. For example, the 7500 squawk code indicates ‘unlawful interference’ or ‘hijack’ in the plane. As soon as a pilot feeds 7500 into the aircraft transponder, ATC will immediately know that the plane has been hijacked.

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How Makes ATC aware of all the dangers?
According to aviation experts, there are many squawk codes like 7500, which have their own meaning. For example, as soon as Squawk Code 7600 is fed, ATC comes to know that the pilot can hear them, but cannot respond to them. If the pilot has used squawk code 7600 then it means general emergency. In this way, there are many such squawk codes between the pilot and ATC control, with the help of which both of them can communicate with each other without speaking.
Tags: Airport Diaries, Airport Security
FIRST PUBLISHED: July 11, 2024, 09:25 IST