An
AirAsia flight flying from Australia to Indonesia loses it's cabin
pressure and forced to return back to Perth(Australia). The incident has
occurred on 22nd October. The flight was forced to emergency land on
Perth.
#
What is Cabin Pressure loss?
- Most of the commercial
aircrafts are often fly at an altitude more than 12000 m above sea level.
Atmospheric pressure at 12000 m is 19330 pa. It is too lower than the sea
level atmospheric pressure of 101325 pa.
- To maintain the suitable
atmospheric pressure for human beings, Aircrafts are maintaining a cabin
pressure which is equivalent to the pressure at an altitude of 2438 m
above sea level. Which is approximately 75300 pa.
- The aircraft cabins are
pressurized using filtered and cooled air from the engines.
- Aircraft's cabin pressure
can be lost due to a number of reasons like the technical problem of the
pressurization system, incorrectly sealed doors, a crack in the structure
of aircraft like the crack in the window, fuselage etc.
- The only way to overcome the
cabin pressure loss is to decrease altitude of the aircraft. The Air
Asia flight also plummets from 35,000 ft(10,668 m) to 10,000 ft(3048 m).
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