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Questions tagged [cabin-design]

The layout or features of the area where the passengers sit in an airliner.

41
votes
3answers
11k views

Why is the lower deck of the Airbus A380 curved like a single deck airplane?

I recently traveled on the lower deck of an A380 and the section where the side walls of the fuselage and its roof top meet is curved just like any single deck airplane. Credits: Wikimedia Commons ...
8
votes
2answers
300 views

Are there any passenger aircraft with no cabin access to/from the cockpit?

Most passenger aircraft (airliners and business aircraft) have an internal door or doorway connecting the cockpit area to the main cabin; are there passenger aircraft where there is a solid partition ...
14
votes
1answer
878 views

Can anyone tell what kind or even which airplane this is?

As stated in this post on the Dutch Police website (Google Translate English version) this morning (12th june 2018), they are looking for all available information concerning the image below. All help ...
-1
votes
1answer
190 views

How to reduce cosmic radiation in commercial aviation? [duplicate]

There have been some (somewhat limited) studies that show (certain) cancer risks increase with flying hours: The risk for all cancers, malignant melanoma, prostate cancer, basal cell carcinoma of ...
1
vote
1answer
339 views

What is the overhead instrument panel (pictured) near the front galley area of an A320?

I have noticed this overhead instrument panel. It is convered by a transparent plastic lid with a small hole in the middle. Inside it has lot of switches. What is it supposed to do and who operates ...
3
votes
3answers
263 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?
28
votes
3answers
11k views

Can cameras and LCD screens replace cabin windows?

Windows in aircraft create a weakness to the structure, that is why they are very small. I'm not asking about installing them in the cockpit, which would create safety pitfalls, but could the windows ...
11
votes
1answer
2k views

Are overhead bins airtight?

This question is prompted by a recent news about a dog dying while transported in the cabin overhead bin for about 3.5 hours. Are those bins airtight enough to cause death of a (relatively) small ...
69
votes
10answers
27k views

Why are there no “sleeper” planes?

On a recent long-haul flight I sat by the windows and was dreaming away staring into infinity out of the window. Then a thought came up, in Asia sleeping busses are very common. This made me think, ...
1
vote
0answers
86 views

Is the air bleeded from the engine to maintain cabin pressure for airlines heated or cooled [duplicate]

Is the air bleeded from the engine to maintain cabin pressure for airlines heated or cooled. If heated, what device is used, if cooled, what device is used and in both cases how much energy does it ...
10
votes
1answer
711 views

What's this red cabin light indicator inside a Boeing 737?

What's this red light indicator inside the cabin, its flush with the sides of the plane. The exact location would be a couple of rows ahead of the overwing exit seats. This picture was taken before ...
5
votes
1answer
428 views

What are these light like panels on the overhead bins of Boeing 737?

These light like panels are seen in older Boeing 737s. I've never seen them turn on. Could someone enlighten (no pun intended).
3
votes
1answer
645 views

How many layers do the Boeing 787 cabin windows have and what might make them fail? [duplicate]

I am interested to know how the Boeing 787 cabin windows are made. Specifically, how many layers do they have and what can make them crack in-flight?
2
votes
2answers
159 views

Do you have to worry about airborne disease on an international air flight?

Flu? Pneumonia? Anthrax? smallpox? Do you have to worry about them or there are designs in place to prevent them? Like some sort of sophisticated ventilation system? Models to work with: Most common ...
2
votes
1answer
279 views

Why aren't the passenger seats designed as jump seats (foldable) in commercial airlines?

We know that the crew seats in an airplane are "jump seats (foldable)", which made me wonder why it isn't the same case with passenger seats. Some advantages which I see if passenger seats are ...
3
votes
2answers
684 views

Why is the temperature of the cabin so low during a flight?

While I understand that at very high altitudes the ambient air temperature is extremely cold outside the aircraft (-56 F), it always bothers me that I find myself sneezing and genuinely uncomfortable ...
28
votes
1answer
2k views

What does this black triangle placard on board an A320 denote?

Just out of interest whilst travelling aboard a British Airways A320-232 G-MIDT on the 9.45 BA shuttle service (LGW-GLA) in seat 10F I noticed a placard above the window of seat 9F. Given this seat ...
38
votes
2answers
6k views

What are these five indicators at the front of the 737 passenger cabin?

As a passenger I noticed set of five indicators on ceiling at the front of the 737 passenger cabin. They are: red, yellow (or white), blue, white, red. Red ones seem to be coupled together (what ...
3
votes
2answers
1k views

Why do most commercial aircraft have their fuselage over the wing, instead of under? [duplicate]

Almost all commercial jets today seem to have the fuselage/cabin mounted above the wing, why is this? why isn't it mounted under the wing like some freight airplanes? Example of fuselage on top of ...
1
vote
1answer
251 views

Why don't we have allocated cabin baggage space just like seats? [closed]

There is always a hassle of finding overhead cabin baggage space. Why don't airlines, divide the space and allocate it for each seat, just like they have allocated space for cabin crew and demo stuff. ...
2
votes
1answer
384 views

Why are lavatories located near the exits of an airplane?

Is there some scientific or technical reason to locate the lavatories near the plane exits? Wouldn't it create problems during evacuation, if the swing open doors gets unlatched etc on forced landing ...
23
votes
3answers
4k views

Why does an airliner fuselage have a constant section over its length rather than a tear drop shape?

It is usually stated than a tear drop shape is a good shape for aerodynamic efficiency: Adapted from Nasa On the other hand, fuselage on an airliner has most of the time a long cylindrical section ...
8
votes
2answers
762 views

Do any modern airliners have a non-flat floor in the passenger cabin?

Are there any non-flat (sloped or stepped) passenger cabins in modern commercial planes? E.g. the floor at the back of the cabin is a few centimeters higher than at the front?
2
votes
1answer
137 views

Who is responsible for getting approval of cabin layout?

There are many aircrafts. There are many layouts. Even same aircraft model can have many layouts. Emirates offer in-flight shower while other airlines do not. Toilets locations may differ from ...
11
votes
5answers
4k 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 ...
7
votes
1answer
166 views

Are there different configurations of cabin crew seating arrangement for one aircraft model?

In many airlines, cabin crew are shown to be sitting in different areas. Is it common for airlines to offer different seating configurations for a particular airline model? Also, are there any ...
19
votes
4answers
6k views

Why don't airliners use noise cancelling?

Some cars have started using noise cancelling in their cabins, through the speaker system. It's a well established technique for dealing with low frequency noise like engine rumble and wind noise. So ...
6
votes
1answer
461 views

Are the cockpit and crew rest area considered part of the cabin?

A few days ago, a travel blogger wrote about smoking on a China Eastern flight, and the smell of cigarettes came from either the cockpit or the crew rest area: So I’m not sure who is smoking, ...
7
votes
2answers
594 views

Why do older planes not have a middle hand luggage compartment?

Why do older planes not have a middle hand luggage compartment? Where are the oxygen masks for the people in the middle rows? L-1011 Interior: 777 Interior:
4
votes
0answers
209 views

Why were the TWA TriStar middle seats smaller than the aisle seats?

I was watching an old TWA advert and a question came up: why were the L-1011 TriStar middle seats smaller than the aisle seats?
17
votes
2answers
54k 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 ...
1
vote
1answer
245 views

If the cabin temperature controller does not function, does the pilot have to make an emergency landing?

The cabin temperature controller in commercial airlines, controls the cabin temperature. But if for any reason, it does not function, does the pilot have to make an emergency landing, or can he cruise ...
8
votes
1answer
540 views

Can heated air be provided in the cabin in commercial airlines?

Having travelled quite a number of times, there are times, when the cabin becomes a bit too cold, or people with certain condition get shivering quickly. In such circumstances and generally, is it ...
9
votes
2answers
2k views

Could the cabin crew open the lavatory door from outside when someone locked the door from the inside?

On a recent flight a passenger locked himself in the lavatory for almost the entire duration of the flight. It was only when the flight was in the final leg of descent that he could be persuaded to ...
0
votes
0answers
54 views

Are commercial aircraft water tight by design? [duplicate]

If its submerged in water, will water rush inside the cabin? For instances, if its standing in a flooded airport or landed on the water gently.
14
votes
4answers
5k views

Why don't pilots control window shades & seat recliners?

Every time before landing or take off, the cabin crews continuously remind passengers to pull up the window shades, straighten their seats and what not. My question is why can't pilots be given ...
4
votes
2answers
1k views

Could the cargo hold of an aircraft be re-designed to carry passengers?

This image had me intrigued: It looks like two semi-circles, the upper part for passengers and the lower part for cargo. I was wondering, for short haul flights, could the lower part be converted ...
6
votes
3answers
3k views

Can an airliner provide ground level cabin pressure, temperature, humidity etc?

Apart from the cost angle, which seems to be the biggest factor in airlines, is it technically possible to bring cabin atmosphere (includes pressure, temperature, humidity) etc. at par with ground ...
6
votes
1answer
394 views

Were cabin lights really consuming that much power back in 2006?

Even though it is nine years since then, I can still clearly recall my return flight from London Luton to Katowice (Poland), that I took on July 31, 2006 evening. There were a huge, strong storm front ...
20
votes
6answers
5k views

What are the factors behind increasing aircraft window sizes?

Modern airliners like the Airbus A380 and Boeing 787 have bigger windows than older designs, like the Boeing 737 and Airbus A320. What factors have led to this change of window size, opposite to the ...
17
votes
3answers
6k views

Could the non-smoking sign still be turned off in modern airplanes?

Yesterday, I flew on Germanwings 4U2379 with an Airbus A319. The plane's interior looked pretty modern, and while I can't find a construction year online, I'm pretty sure it was built way after the ...
4
votes
1answer
260 views

How to measure the Aircraft cabin air quality?

Is there any tool or mechanism to do quantitative analysis of aircraft cabin/cockpit air quality?
4
votes
3answers
897 views

How much power is used by cabin lighting systems during flight?

How much power is used by cabin lighting systems during flight when all the lights are ON?
0
votes
2answers
207 views

Are there other practical means of 'slowing' down an aircraft, other than parachutes? [closed]

Whenever an airliner crashes, inevitably questions arise as to how can the planes be made safe and ultimately, how can we avoid loss of lives. Though statistically, modern airliners are safest ever, ...
34
votes
5answers
10k views

What prevents a passenger from opening the emergency door on his own will, mid-flight?

I have never sat on the emergency seats near the wings, with the emergency exit. I have seen cabin crew instruct the passengers seated near the door on how to operate the door. My question, what ...
1
vote
2answers
687 views

What material is used to make luminescent placard on civil aircraft? [closed]

I'm an engineer working in the civil aviation industry. Currently my company is preparing to make some placards. I've downloaded the drawings from Airbus. A drawing calls up the material of AD400 TV25/...
20
votes
2answers
8k views

Why is the Airbus A320 permitted to carry 180 passengers, instead of the maximum 179 allowed?

The EASA regulations give the following requirement for number of emergency exits: If then the Airbus A320 is certified to carry 180 passengers, it seems to me that it falls just outside the minimum ...
29
votes
4answers
5k views

Can a commercial cargo aircraft be converted into a commercial passenger aircraft, and vice versa?

Just saw a video in a news, a military cargo plane carrying people stranded in some country. The seats were like in a commercial airliner. This led me to ask the question. Would it be possible to see ...
3
votes
1answer
2k views

What is the size of toilet or septic tanks in various planes?

This question, led me to wonder, how big are the tanks that hold poo. I had seen a BBC video, showing how they empty the tank on an A380 at Heathrow, can't remember the capacity. Also, what about ...
2
votes
1answer
378 views

Is air in the toilet isolated, to prevent seeping into the cabin?

This made the news few days ago: British Airways flight to Dubai forced to return to Heathrow due to 'smelly poo in toilet' As can be seen at The Telegraph and The Independent. Made me wonder: ...