Questions tagged [airliner]

An airliner is a large, commercial aircraft operated by an airline for transporting people and/or cargo.

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Has a commercial passenger airliner ever had its cockpit fully upgraded?

In an earlier question What are the barriers to feasibility of stratospheric cruising for commercial air travel? (i.e. Concorde?) it was suggested that Concorde was not properly maintained as its ...
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How often does evacuation happen as shown during the pre-flight safety videos/stewardess instructions?

I believe it is mandatory for airlines to provide passengers with information about evacuation in case of emergencies. However, pretty much every accident I've ever heard off either happens at the ...
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Which aircraft did I photograph at ZRH?

I took a couple of pictures of various aircraft and I would like to know which aircraft I photographed. I have no idea, expect that all of them took off from ZRH and should be commercial airliners:
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Why is thrust vectoring not used on commercial jets?

Is there a particular reason for which thrust vectoring is not used in airliners as it is with military aircraft besides weight and complexity factors? I understand that on military aircraft ...
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Do commercial aircraft have electrical outlets?

As we see trains nowadays with sockets for you to plug your laptop into, as well as Wi-Fi on-board both trains and planes, I'm wondering why you don't see electrical outlets on planes? Do any ...
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How do airliners get from the factory to the client if the aircraft does not have the required range?

Today I flew on an Embraer 190 of Kenya Airways. Checking in the tech specs this aircraft has a range of roughly 2900 km. Considering it is built in Brasil, I was wondering how do they deliver it to ...
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Flight path question? re missing 777 MH370 [duplicate]

Can someone explain why the aircraft would fly in an arc using the satellite as a reference point? Have I missed something?
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What is the bag for on a passenger oxygen mask?

We may all be familiar with the part of the cabin safety briefing where they say that, in the event of a reduction in cabin pressure, oxygen masks will drop from a compartment above our heads, yadda ...
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Is it technically viable to reintroduce sleeping berths?

The airlines are always trying to jam more passengers into each plane. I'm smaller than today's average, and I'm still often uncomfortable in a standard Economy seat. It occurred to me that in the ...
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Can one pilot lock the other out of the cockpit?

One seemingly plausible theory about the MH370 disappearance is that one or other of the pilots locked the other one out of the cockpit and then depressurised the cabin. However, this answer mentions ...
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Why do airliners pitch up during cruise?

In my experience as a passenger, when the plane stands at the airport and you enter it, the aisle is pretty much horizontal. (Obviously, I've never flown on a DC-3). After takeoff we pitch sharply ...
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What are these things hanging off the trailing edge of the wing?

What are these things hanging off the trailing edge of the wing? I've seen them in almost all of the aircraft I've flown in, and can't remember if they're exclusively Boeing or Airbus.
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What noises can you hear as a passenger?

I'm just curious as to what the noises are that you can hear as a passenger in the cabin of an airliner? For example (ignore the crew talking), the noise at 7:09 - 7:30 on this video; is that the ...
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Can large airliners be operated without ground support?

I'm wondering if large A3x0/B7x7 airliners could be operated without ground support. Short of using the inflatable slides, I guess at least stairs would be required to load/unload passengers. Apart ...
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How does autobrake work?

An autobrake is a type of automatic wheel-based hydraulic brake system for advanced airplanes. The autobrake is normally enabled during takeoff and landing procedures, when the aircraft's longitudinal ...
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Could Malaysia Airlines Flight 370 have sunk without leaving any floating wreckage?

With all the searching on the surface of the Indian Ocean for evidence of Flt. 370, I'm wondering if there's any conceivable scenario in which the Boeing 777 could have sunk without producing any ...
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Why shouldn't you inflate your life vest until you're outside the airplane?

On commercial flights, in part of the pre-flight safety demonstration, you're told in the event of a crash, not to inflate your life vest until you're outside the airplane — why is this?
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Would discharging a firearm in-flight cause an explosive decompression?

I was reading a BBC FAQ about Federal Air Marshals, which has this chilling quote in it: A gunfight on a passenger airliner is seen as an option only of last resort. Presuming an air marshal has ...
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Can pilots hear their passengers clapping on touchdown?

Something that just popped into my head: I've been on a few easyJet and Ryanair flights where a lot of passengers clap and cheer on touchdown. Would the pilots be able to hear this? Here's an example ...
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Can passenger movement in an airliner make it stall?

This question shows a couple of air hostesses dancing during mid-flight and the co-pilot came out of the cabin to record it. This made me wonder: Can flight crew or passengers moving around in ...
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Is a dancing crew dangerous?

Recently, the crew of an Indian airline performed a short choreographed dance sequence mid-flight on the occasion of Holi. This is, a not so rare practice amongst low-cost Indian carriers, who ...
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Why is there a hole in one of the layer of an airplane's windows?

On a commercial airliner, there is a hole in one of the layer of the passenger windows. See here: and here: Or in more detail: Can you explain the physical reasons for this design choice?
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Can a commercial airliner sink to the bottom of the ocean?

Is it possible that a commercial airliner could hit the ocean surface at such an angle that it made a deep dive intact, got filled with water, sank, and got stuck in mud at the floor of the ocean?
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Where does my pee go when I flush at 35,000 ft?

One thing I guess a lot of people wonder is: what happens you flush the toilet in an aeroplane? Does it fall out the belly of the plane and disintegrate? :) A kiwi woman complains that "aeroplanes ...
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How do airlines pay for their planes?

Taking easyJet as an example, they have a fleet of over 200 A319's and A320's. At a price tag of around \$90m per plane, that equates to about \$18bn. Given that their turnover for 2012/13 was around ...
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Why are planes generally painted white?

When planes come off the assembly line at the factory, they're green: So why are most painted white? Surely a darker colour would hide dirt better? Is there a reason planes are traditionally white? ...
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How do airlines choose what food to serve? [closed]

I'd imagine there are probably reasons behind the choice of food that airlines serve, and I'm wondering what those reasons are? I guess that Air India probably serves more curries than American ...
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Would failure to put on an oxygen mask during loss of cabin pressure result in death?

I was trying to explain to someone why the cabin is pressurized (no one wants hypoxia) and that led to discussion about the emergency oxygen masks available on airliners. If a person didn't put on ...
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How can one enter an airliner without stairs or a jet bridge?

I see that big planes (B737, A319 etc.) always need a staircase or a boarding tunnel in order for crew or passengers to enter the cabin since the position of the entry door is quite high (meters above ...
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Why are airliner underbellies generally painted differently?

Some airlines, Delta in particular, have dark underbellies on their liveries. Is this only aesthetic or is there a purpose for it?
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Why do jet engines get better fuel efficiency at high altitudes?

I'm told that this is true, but I can't imagine why. It seems like the fact that there is less air would make the engines less efficient... But that probably just shows how little I know about jet ...
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For large jets, what is the primary means of slowing down after landing?

I understand that a large(r) commercial jet slows down after landing using the following methods: Wheel brakes Reverse thrust Spoilers/flaps/airbrakes What is the effectiveness of each compared to ...
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Why are propeller engines uncommon on airliners?

My experience in aviation is essentially zero, but looking at Wikipedia it seems like the Tu-95 Bear offers high subsonic speed and extreme range. I assume that turboprop engines are more fuel ...
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Is spin recovery possible in an airliner?

During initial flight training a lot of emphasis is placed on stalls and spins and how to recover from them, but is it possible to recover from a fully developed spin in an airliner? Do these large ...
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Where does the Oxygen for the emergency gas masks come from?

Normal commercial jets drop gas masks when cabin pressure drops, and supply oxygen, but, where does that oxygen come from? Do commercial jets store oxygen? If they do, isn't pressurised oxygen very ...

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