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Questions tagged [air-conditioning]

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3
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603 views

Do pilots get more fresh air than passengers? [duplicate]

There is a famous air travel myth claiming that "pilots get more fresh air than passengers".       (source: The pure cure, p.375) I would like experts to either dispel or confirm this myth, that ...
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1answer
245 views

Do pilots breathe the same air as passengers?

Do pilots breathe the same quality of air as passengers ? (i.e. identical parameters: same O2, CO2 and O3 levels, same temperature, same humidity, etc.) Do pilots breath the same air as passengers (...
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2answers
382 views

Why does the cabin air sometimes smell of kerosene? [duplicate]

Why does the cabin air sometimes smell of jet fuel, although bleed air is tapped before it comes in contact with fuel ? How is this possible? I have smelled this a couple of times in my life (twice ...
0
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1answer
73 views

Why and how can a fume event occur?

« A fume event occurs when bleed air used for cabin pressurization and air conditioning in a pressurized aircraft is contaminated by fluids such as engine oil, hydraulic fluid, anti-icing fluid, ...
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1answer
71 views

Air quality monitoring devices for a320

I looking for the air quality monitoring devices for a320. How do they look, where they located? thank you for the help
6
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2answers
2k views

Why do airplanes have complex air conditioning systems?

I'm wondering why do planes have complex air conditioning systems with several coolers, compressors and turbines. If these devices are powered by bleed air from the engines, why isn't the bleed air ...
3
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1answer
907 views

How common and dangerous are fume events?

I’ve been hearing about fume events where engine oil containing tricresyl phosphate as an additive can leak onto the HVAC packs and enter cabin air. These organophosphate are incredibly toxic and are ...
3
votes
1answer
797 views

What dictates the A320's 'emergency ram air inlet' operation?

Why does the emergency ram air inlet flap open when delta p is greater than or equal to 1 psi on the A320? Below is the extract I was reading from the FCOM. Why has the figure of 1 psi been set for ...
3
votes
1answer
335 views

Why doesn't the A320 pack flow indicate HI as it should?

When on ground with APU bleed on and both engines off I have noticed a number of times that the pack flow isn't at the HIGH setting why? As per the FCOM it states that when APU bleed is on the PACK ...