Have you ever wondered what it would be like flying in an airplane without air conditioning? That's unimaginable and almost no one boards their flight thinking they are going to be locked in a hot cylindrical can. But every time the flight takes off, the AC turns off, only to be turned on again when the plane reaches a certain altitude.
On some flights, you will notice that the AC is running when you board the plane. You are busy adjusting the ventilator placed above your head. The airflow is almost never perfect to your liking. But then the AC sometimes switches off as the plane prepares for takeoff.
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Dimming lights and turning off AC during takeoff and even landing doesn't signal anything is wrong. However, there have been times when the AC conked off during a flight and passengers were stuck in a hot cylinder in the air with no other option.
In October 2021, passengers on a Pune-Delhi Air India flight were left sweating and fanning themselves in what was their worst flight ever after the auxiliary malfunctioned shortly after takeoff. Then, there have been several cases where passengers were locked up inside a delayed flight on the ground with the AC turned off for several hours.
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