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Questions tagged [acs-pressurization]

Air conditioning system and/or cabin pressurization.

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How Cabin Pressures Are Selected?

The pilot puts the cruise altitude to the FMC and the plane auto adjusts the cabin pressure. I know that but I once heard the cabin pressure is set to three thousand feet. Is it true? Why is the ...
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1answer
98 views

Which pressure mode of operation has the most stress on aircraft frame

So I am want to know which mode of pressurization has the most demand on the airframe Isobaric mode constant - differential mode unpressurized I hope to get an answer because I have an exam and ...
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3answers
11k views

How could the Helios 522 passengers have survived so long without oxygen?

I've noticed some strange inconsistencies regarding the documentation of Helios Airways Flight 522. So first: Autopsies on the crash victims showed that all were alive at the time of impact But ...
4
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1answer
1k views

What are the adverse effects of keeping the PACKs on the A320 running with the LP air conditioning unit connected?

I had come across this statement will reading the limitations chapter in the FCOM. But once again there is no reasoning given for it I have also read the air conditioning systems chapter but can't ...