Questions tagged [airliner]

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

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1answer
317 views

Why are there no large turboprop passenger airliners? [duplicate]

If turboprop engines are more efficient than turbofan/jet engines at lower speeds, and have a lower specific fuel consumption, why are there no large passenger airliners that utilize the turboprop ...
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1answer
156 views

What are the effects of dihedral on net lift of a wing? [duplicate]

I read somewhere on the internet that dihedral decreases wing lift,so my question is will dihedral decrease the lift of an airplane wing since the wings are attached to the fuselage at an angle ? If ...
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165 views

Does the FAA allow a jet bridge to approach an aircraft that has engine #2 running?

Does the FAA allow a jet bridge to approach an aircraft that has engine #2 running?
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2answers
176 views

What are the technical details of how airline seats are installed on an airliner? [closed]

What are the technical details of how airline seats are installed on an airliner? The step by step. Not made how they are installed.
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2answers
339 views

Where can I get a picture of a specific aircraft by registration? [closed]

I'm actually building a website where I want to display pictures of a specific aircraft. So I have the registration and I would like to show a picture next to each registration. For example I have the ...
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1answer
399 views

How many of this aircraft were manufactured?

What was the total quantity issued of this model aircraft (including any modifications).
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1answer
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During which phase of the mission profile, the airplane fastest?

In a mission profile, there are various phases such as Climb, Cruise, and Descent (excluding other phases). My question is during which of these phases, the Mach number of the airplane is highest? Is ...
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1answer
192 views

Is it possible that commercial airliners use an EMALS or other form of electric launch? [duplicate]

I am doing a big project for school over the summer, and was wondering if anyone can help? I just want a professional opinion on the idea. Is it possible or no?
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1answer
5k views

What are the difference between FMC, FMS and MCDU and what do they do? +2 more questions [duplicate]

What are the difference between FMC, FMS and MCDU and what do they do? Do airliners have all of them or just 1 or 2 of them? Do pilots learn how to program them/it? FMC = Flight Management Computer ...
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1answer
198 views

How can I identify airliner types that don't have ACARS?

Is there a way to identify what commercial airliners are still flying without ACARS today? Most modern commercial airliners are equipped, but I know some 737s still fly without ACARS, for example.
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1answer
121 views

Is there a rule of thumb to choose an aircraft for long-haul operations? [closed]

Are there any rule of thumb for a NEW commercial airliner, maybe 200 seater or more, for long-haul operations ? I imagine it would be - mostly bigger aircraft as amount of fuel needed would be more ...
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1answer
347 views

What are static discharges for on an airliner? [duplicate]

I have never noticed these on any boeing planes before, so why are these on airbus a320 series and not on the boeing 737 and also what are they for?
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Are supersonic passenger aircraft still realistic? [duplicate]

I was wondering if supersonic passenger aircraft like Concorde or the Tupolev Tu 144 can still be made and flown profitably. The Tu 144 failed because it was poorly designed. And Concord failed ...
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102 views

Why don't commercial aircraft have variable sweep wings? [duplicate]

I was wondering why commercial aircraft don't have variable sweep wings just like the Bell X-5 did? By sweeping the wing further at high altitude it helps the aircraft move faster and also it helps ...
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2answers
5k views

What is a 73W aircraft [duplicate]

With all the issues surrounding the Ethiopia crash can you tell me what a 73W is? Is it a 737 Max 8. We're trying to figure out if our flights with Westjet on Friday might be effected. Thanks ...
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0answers
54 views

Why there are nearly no upper wing jetliners? [duplicate]

Whenever I look at the western airliners. All of their wings are always mounted on the lower part of the fuselage except the Dash 8 series which have turbo props. But the Soviet jetliners have their ...
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63 views

How much fuel does an airliner consume at various stages of operation? [duplicate]

I used to think that almost all of an airliner's fuel consumption was during actual flight; but it seems that even while on the tarmac or at a gate it consumes a non-negligible amount. So, in general ...
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0answers
88 views

Do airliners perform a dive maneuver to reduce altitude [duplicate]

DO airliners, jumbos included, like the Airbus A380 and Boeing 747 routinely perform dive (nose down) maneuvers to descend or do they rather reduce speed and descend with the nose up? If not, why not?
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100 views

What are these strange clouds on the wing and how do they form? [duplicate]

I am having a little trouble figuring out what these strange clouds are. You have a cloud forming off of a fighter jet when it breaks the sound barrier, but this is a different situation.
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533 views

Why are the wings of most passenger jets on the bottom? [duplicate]

I have always wondered why most manufacturers put the wings on the bottom of commercial jets. Help would be appreciated.
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3answers
237 views

Could an airliner be as efficient lower and slower?

Could an airliner ever be as efficient at 15 or so meters using ground effect as it is at 50,000 km even if it has to go slower and be shaped differently?
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1answer
554 views

Why are 4 engine civilian turboprops not produced anymore [duplicate]

As per subject why are 4 engine turboprops not produced anymore for civilian flights if turboprops are so efficient? How comes the military still use them (see Airbus A400 and C130) It would be ...
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1answer
395 views

What is the typical speed an airliner has to reach before lifting in the air [closed]

I know generally it is about 170mph. But what is the actual speed in mph that an airliner has to reach before it takeoff's.
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1answer
454 views

What is this jet airliner flying over my house?

I took a picture of this jet flying over my house: It looks like a 737. Took place on July 14, 2020 at 4:00 PM in Long Beach, California.
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3answers
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Why should pilots keep the engines running so they are hot or warm immediately after landing?

Understandably, airliner pilots - particularly those operating in extremely cold climates and airports - should preheat the engine at idle for 3 minutes or more so they do not apply full thrust and ...
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2answers
275 views

Can an airliner be landed with only the auto pilot or remotely?

In this question: How autonomous are commercial passenger airliners? explains how automated the auto-pilot system can be. Could a pilot or more work the controls of the auto pilot that does not have ...
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1answer
200 views

How does de-icing work in an airliners engine [duplicate]

On snowy days the pilots well say to put on the de-icing on both engines how does this work?
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1answer
6k views

Why don't airliners have turboprop engines instead of jet engines? [duplicate]

I know the q400 is one of few airliners that has a turboprop engines. I know that some military airplanes use turboprop engines so why don't many airliners use them?
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1answer
100 views

After the Covid pandemic, will there be an aircraft manufacturer which produced a combi aircraft anymore? [closed]

On this covid pandemic, there will be many changes in all of air travel, one of them is Combi aircraft to be rebuilt again.
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1answer
201 views

Is the "Boom" project vaporware or really going to happen? [closed]

Is this https://boomsupersonic.com viable or more vaporware? Any solid information?
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2answers
377 views

Does a 40 years clean crashes sheet of airliner makes people fear to fly with them because there is bigger pressure on the company? [closed]

I am planning for my 2nd flight. The first flight was in November 2017 from Beirut to Istanbul which took 1h45min. I asked this question on this site, explaining my Phobia to professionals on the ...
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2answers
6k views

How does a boeing 707 have 4 engines instead of 2? [duplicate]

I was reading a article Link It stated that lower bypass ratio jet engines have higher thrust than high bypass ratio engines, but the boeing 707 has 4 of these low bypass ratio engines and only ...
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5answers
3k views

Is water a possible fuel for jet engines?

Jet engines can run on almost any fuel, and the operating temperatures of modern jet engines' hottest sections are anywhere between 3000 and 3150 degrees F (1648 and 1732 degrees Celsius). Does that ...
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4answers
400 views

Why don't commercial aircraft use tail hook technology?

Tail hooks help drastically reduce an aircraft's speed during landing, and would therefore reduce the necessity of having long runways. So why doesn't tail hook technology be implemented into ...
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1answer
128 views

Are hydraulic retractible landing gear possible

One of the impediments and drawbacks to extending landing gear in light of building larger engines are the larger space required for the taller gear. Would hydraulic retractable gear that works as a ...
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1answer
255 views

Is a swept wing the better option against the winglet [closed]

I know that the swept wing decreases lift and the winglet increases lift. Is it better to have a winglet or a swept wing.
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2answers
845 views

If you removed the compressors in an airlines engine would it have more thrust? [closed]

I was reading something about jet engines and it stated that the exhaust comes out of the exhaust nozzle at about 1,300mph, and it also said that the compressors help reduce the speed of the air ...
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1answer
509 views

What if a passenger forcefully requested for a food which is not available on the flight? [closed]

I'd never took long flights, however curios if one day I'll fly to NewYork from India and I wish to eat my favourite dish, which may not available in kitchen of my flight, what they will do? Is there ...
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1answer
882 views

I want to get as much information i can get to start a new airline who can help me please? [closed]

I have been researching about the aviation industry and i have some questions about the leasing and buying procedures and faa ,fcc permissions costs, i would really appreciate your help , thank you
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3answers
451 views

What happens to unstrapped passengers if the airliner were to fly inverted [closed]

If for some reason or the other, because of an emergency, or perhaps craving jail time or did not want her job, or perhaps a girls will be girls moment, a pilot and her captain decided to fly a large ...

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