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Questions tagged [cabin]

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13
votes
1answer
3k views

What is that ceiling compartment of a Boeing 737?

Does somebody know what that big box in the roof of the 737 cabin is?
-3
votes
1answer
146 views

Why are inflatable pillows not allowed on board? [closed]

Inflatable cushions designed to ensure extra space that children sleep comfortably between the passenger seats are not accepted aboard by most of the airline companies for they can obstruct evacuation ...
3
votes
1answer
238 views

Who controls the cabin air temperature?

I understand the B737-800 has two air conditioning packs that handle the temperature of three zones: the cockpit, the fwd cabin and the aft cabin. I understand that which pack is turned on is ...
3
votes
0answers
47 views

What happens when a person dies during the flight? What kind of procedures exist regarding deceased passenger on board? [duplicate]

I was just reading about a young woman who died on the long haul flight from LA to Melbourne. Heartbreaking. Young life cut short. RIP. But this horrible situation made me wonder about a presence of a ...
6
votes
2answers
155 views

How is smoke detected in the cabin when flying without passengers?

The Boeing website states that smoke detection devices are not present in the passenger cabin as the passengers/cabin crew are able to detect the smoke: A dedicated smoke detection system is not ...
0
votes
0answers
96 views

Can non-crewmembers fly in a jumpseat on a cargo aircraft? [duplicate]

Can an employee travel in a cabin jumpseat on a cargo airline? I'm trying to commute in the planes of the company that I work for.
1
vote
1answer
133 views

Can audible warnings be heard from the cabin?

When I fly in the front row on an all-economy A320, I can very clearly hear the autopilot disconnect sound shortly before landing. Can passengers in the cabin also hear other warnings like EGPWS (...
6
votes
2answers
468 views

How and how often are the oxygen masks in the cabin checked?

Looking at this old answer I can see that oxygen masks check is mandatory for the flight deck. What about passenger masks? Is this check done daily on airliners? How is this check conducted and what ...
7
votes
1answer
321 views

What's with this non-exit Exit sign on Delta CRJs?

I have the pleasure of frequently flying Delta (i.e. Delta Connection) flights on CRJ-700 and CRJ-900 aircraft. All of them have a bogus EXIT sign between First Class and the main cabin: This is ...
2
votes
1answer
148 views

Is it allowed and/or safe to place objects on the dash in a PA28?

I am told by my maintenance engineer that NOTHING is to be put on the dashboard area above the instrument panel - this is where I keep my DUAL GPS to have an unobstructed view of the sky. It was ...
3
votes
3answers
374 views

Is the increased humidity on modern jets artificial?

Is the increased humidity on jets such as the 787 and A350 artificial? Or is it a direct result of a greater cabin pressure?
2
votes
2answers
175 views

What could cause instant nausea when entering larger passenger planes?

This may not be the right forum for this question, but I almost always experience temporary nausea when entering the cabin of a larger passenger plane (e.g. A320). It hits me as soon as I enter the ...
7
votes
1answer
750 views

Where is the camera in the A320?

On the A320 family there are circuit breaker panels in the cabin between the exits. On the 2000VU panel there is a "camera" circuit breaker (C5 position): Top: Source -- Bottom: A320 CCOM p165 -- ...
2
votes
0answers
193 views

Why isn't cabin air quality in airliners directly monitored with sensors?

Airliner air conditioning systems refresh the cabin air volume every couple of minutes. A portion of it is filtered and re-circulated into the cabin, however AFAIK there are no direct cabin air ...
2
votes
1answer
345 views

To which security domain does the Cabin Intercommunication Data System (CIDS) belong?

I've read a lot about Cabin Intercommunication Data System (CIDS) functionalities and features, but yet it is not really clear to me if CIDS is part of the Airline Information Services Domain (AISD), ...
5
votes
2answers
379 views

Why might the crew switch off air conditioning in the cabin of a passenger jet during descent?

I've noticed on some commercial flights (most recently today in an A319) that as the aircraft descends in preparation for landing, the air in the cabin gets hotter. I also noticed that this seems to ...
3
votes
2answers
211 views

Is cabin air freshened when a plane is taxiing or on the ground?

I know that commercial aircraft continuously freshen the cabin air when aloft by compressing and cooling the air. Is that true when the aircraft is on the ground, at the gate loading or taxiing?
2
votes
0answers
119 views

What is the meaning of the triangular markings in the A320 cabin? [duplicate]

Travelling in a chartered A320 from Titan Airways. Does anyone know what these triangular markings mean? They can be seen on both sides of the cabin, a few rows before and after the emergency exits.
9
votes
1answer
836 views

Who invented the cabin chime? What aircraft was the first to use it?

While looking for one to set as my ringtone, I became interested in the history of the cabin chime - the "bing-bong" noise heard on practically every commercial airliner today. I've found tons of ...
11
votes
5answers
5k views

What is the viability of stacking passengers in an airplane cabin?

I've came across on youtube a new design for stacking passengers in an airplane cabin, that looks at first sight interesting. What would be the advantages and drawbacks of such a design? Why this is ...
5
votes
1answer
2k views

Why do my ears pop if the cabin is pressurized?

Simple question: If a commercial airline cabin is pressurized, why do my ears pop as we ascend and descend? I was always told this was due to a change in pressure, but if the cabin and my body are at ...
17
votes
2answers
64k views

What is this white smoke like thing, seen inside the cabin before takeoff?

I saw this quite thick white smoke like thing in the cabin in my last flight, before takeoff that is, while it was taxiing and loading passengers: Video Please watch in HD to best notice the ...
9
votes
6answers
10k views

How do the cabin noise levels of the A380 and the 777 300 ER compare?

I couldn't find any official comparison for noise level (dB) in Airbus A380 versus the Boeing 777 300 ER. Does anyone have some info about it? Which one is better in terms of acoustic isolation?
9
votes
3answers
7k views

Can a paying passenger ride in one of the cabin jumpseats?

Is there any regulation that prohibits passengers from using a cabin jumpseat (normally used by cabin crew) if there is no passenger seat available? Like the two shown below. In other words, can any ...