Questions tagged [commercial-aviation]

Commercial aviation is the part of civil aviation, whether general aviation, non-scheduled service, or scheduled airline service, that involves operating aircraft for hire to transport passengers or cargo.

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23
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5answers
7k views

Why are there no commercial supersonic flights at present?

I'd think that on certain heavily trafficked routes, especially ones with lots of business travelers, there would be a market for high-speed (supersonic) flights? Why are there currently no ...
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3answers
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Does weight and balance of an airplane matter more on takeoff?

On a few international flights with non-full cabin, the crew has asked no one to move to open seats until the plane has finished take-off. I assumed this was just to force people to sit down during ...
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1answer
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How much leverage do commerial pilots have on cruise speed?

If you fly frequently there are chances you have seen some delays in departure where you end up waiting in the aircraft sometimes for multiple hours. Almost every time that happened I remember the ...
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4answers
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Why are Low Cost Carriers ordering several hundred aircraft?

Indigo is a low cost carrier, which already has 99 A-320s in its fleet has ordered 431 more. This airline currently covers 35 routes, while the full service carrier Emirates has 221 planes, and ...
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6answers
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Can a wide body airliner land safely with a full fuel tank?

Can a commercial double-aisle jet aircraft (e.g., 777, A330) land safely with a full fuel tank (minus the fuel spent on taxing and takeoff)? Has that ever happened?
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6answers
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Do multiple go-arounds on the same flight happen in commercial aviation?

I know that go-arounds are pretty rare: somewhere around 2 per 1000 approaches. In large commercial aircraft the rate is probably even lower due to crew quality, instrumentation, conservative ...
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3answers
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Why do aircraft leave the cruising altitude long before landing just to circle?

Often flights will leave the cruising altitude long before the actual landing. They will go down to a couple of thousand feet and stay at that altitude and circle for quite a while in waiting loops ...
21
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4answers
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What fundamental differences separate low-budget airlines from traditional airlines?

Low-budget airlines have made it incredibly easy and cheap to travel far and often, and yet at first glance they seem nearly identical to traditional airlines. Sure, you have to pay for meals, but a ...
21
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2answers
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Can a sonic boom produced at 60,000' be heard on the ground?

The Concorde normally cruised at an altitude of 55-60,000 feet, but wasn't allowed to fly over populated areas due to the noise it produces. Can the sonic boom of an aircraft at 60,000 feet be heard ...
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1answer
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How many type ratings are pilots allowed to hold at once?

I think i've read that the B787 has a common type rating with the B767 and B777. But I also think I've read that pilots are only allowed to fly two types of aircraft at a time... So when they go to ...
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3answers
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What's the function of the plate behind the wheels of the Pilatus Porter?

Anyone knows what's the plate behind the wheel of the Pilatus Porter for?
21
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4answers
3k views

Are commercial pilots incentivized to reduce fuel consumption?

Commercial airlines spend a lot of their operating income on fuel, so in order to maximize shareholder value presumably like to use as little fuel as is safely possible. Are commercial pilots ever ...
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8answers
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Double deck vs wide body airliner, why would anyone build a double deck one?

I don't understand why double deck aircraft (or multiple decks in general) are a good idea. They must be, because there is a significant amount of them. But given a cross area, which should roughly ...
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5answers
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Why do full service airlines prefer to run a separate low-cost carrier?

There are various full service carriers (FSCs) who have a separate low-cost carrier (LCC) subsidiary. For example: Germanwings by Lufthansa Air India Express by Air India JetKonnect by Jet Airways ...
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3answers
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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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2answers
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Why do commercial helo pilots wear helmets?

I've been on my fair share of commercial helo rides, primarily in Canada. Over the course of more than ten rides in three different kind of helos (Bell 407, 412, and I think one other) there was only ...
20
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1answer
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What means of navigation did commercial Soviet airplanes use in the 50s-90s?

Nowadays, practically all Western commercial airplanes use some kind of GNSS/GPS as primary means of navigation, sometimes paired with inertial navigation systems and user-friendly computer interfaces ...
19
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5answers
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Is it possible to stall a plane so badly that the nose refuses to go down due to lack of airspeed?

So basically, a stall from a high AoA to the point that the entire plane just falls with the rear end pointing straight down? Because if wind is no longer passing over the wings, then this includes ...
19
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2answers
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Why must some 'dangerous items' be in check-in baggage?

What is the rationale behind forcing passengers to check in dangerous items? What makes liquids and gels more dangerous in the cabin? Why would a lithium ion battery be less dangerous as check-in ...
19
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3answers
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Do planes return to service after non-fiery crashes?

A Turkish Airlines flight recently ran off the runway and ended up on its belly in a field. The landing gear were damaged, but the plane didn't burn and the fuselage remained intact. Are planes ...
19
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1answer
2k views

What are the printouts/paperwork a captain does at the check-in desk?

While flying American out of Chicago yesterday I noticed that when the captain arrived he went to the check-in desk and first read the monitor of a computer there for a minute or two, then he printed ...
18
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3answers
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Would this “being paid while flying” scenario be considered “flying for compensation”?

The difference between a private and commercial pilot's license hinges on this critical ability to expressly receive pay for flying; a PPL is allowed to fly "in furtherance of a business" but cannot ...
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6answers
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Why don’t airliners have temporary liveries?

For buses, it’s quite common to have plastic foil with advertisements on them, but I’ve never seen that on an aircraft. Looking at how aggressively some airlines try to save money, they probably ...
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2answers
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Who operates delivery flights for commercial airlines?

Seeing an A220 flying to Atlanta for delivery to Delta made me wonder: Which crew operates a delivery flight? The manufacturer’s pilots? Or the airline’s crew?
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4answers
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Why did air traffic levels decrease dramatically in the US through the 2000s?

In 2015, the FAA stated that System-wide, air traffic has declined by 24 percent since peak year 2000. The chart in Figure 1.1 shows that air traffic volume is not expected to return to peak ...
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3answers
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Why are delta wings not commonly used in commercial airliners?

Delta wings are most commonly seen on military aircraft. I understand that delta wings are ideal for supersonic flight, and provide high maneuverability. Having high maneuverability and speed are ...
17
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1answer
5k views

Do commercial flights continue with an engine out?

Do commercial flights continue with an engine failure? If you look closely at the attached picture it seems that one of the engines has a much smaller contrail than the other three. This seems to ...
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3answers
6k views

Can a commercial airplane overtake another airplane going in the same direction?

If there are two commercial airplane flying towards the same destination, on the same flight path, and the second plane is being faster than the first plane, is the second plane allowed to overtake ...
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2answers
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Why is 3000 psi the most common hydraulic pressure used in commercial aircraft?

As per the article on this website (from 2002), most of the aircraft use 3000 psi as hydraulic pressure: Since the 1970s, military aircraft have been using 5000 psi hydraulic systems, which use ...
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2answers
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What does the “blue” callout mean in the cockpit of an Airbus?

So from watching many videos in the cockpit on YouTube I have noticed that pilots will say stuff like "Loc Blue" or "2500 Blue" but what does this 'blue' mean and are there any other colours? These ...
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1answer
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Is there any limit to how many times an aircraft evacuation slide may be deployed?

I've seen multiple videos online of evacuation slide tests and they all tend to be almost violent as they are very fast and loud, but I can't help thinking that it must put a lot of force on those ...
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1answer
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Which commuter flight was forced to land in a cornfield in '96 or '97?

Last night a friend's wife was describing her experience as a child being on a flight that encountered a flock of Canadian geese, where at least one engine was lost to a bird strike. I suspect both ...
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2answers
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Are there commercial airplanes that are still flyable without any electricity? [duplicate]

I have seen the first episode of Revolution yesterday and there are all kinds of airplanes just falling from the sky because of complete loss of electricity. I know most if not all modern planes use ...
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2answers
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How are the in-flight meals cooked?

When I traveled on a commercial aircraft, I had a meal which came in a small box, I was wondering if the meal is precooked and then re-heated or if it is cooked on the plane?
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4answers
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What are the benefits of long-haul airplanes servicing regional routes?

Following this answer. This is actually a set of three different questions: How often airlines "wastes" money, by putting long-hauls (widebody aircrafts) on regional or domestic routes? Are there any ...
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2answers
4k views

How far ahead does an airline know which aircraft you will be flying on?

My favorite features of the United Airlines app are: you are able to see what specific aircraft will be operating your flight you are able to trace that aircraft back indefinitely via the "Where is ...
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3answers
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Can commercial airliners fly over hurricanes?

When Patricia was making landfall yesterday I opened up Flight Radar 24 to see if there were any planes flying around or near it. As I had expected, there were a couple of storm watching planes near ...
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2answers
6k views

What makes the swooping noise when a jet flies overhead?

I've lived near several airports and have grown accustomed to a certain noise a jet plane makes when passing overhead: a swooping sound, very bass-heavy, that dives rapidly in pitch, maybe 1.5 seconds ...
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1answer
2k views

What does Ryanair do without Sick Bags?

Sorry for the slightly strange question, but Ryanair (Europe's Largest Low Cost Carrier) decided that seat back pockets took too much effort and got rid of them, and it appears the sick bags in the ...
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7answers
5k views

How dangerous can it be if something falls from a flying aircraft?

How dangerous can it be if something falls from a flying aircraft?
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2answers
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Does the co-pilot still remain in control of the plane if an engine fails during takeoff?

If an engine fails after $V_1$, how long does the copilot remain in control if he was the pilot flying? What is prioritized before the captain taking control of the aircraft?
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6answers
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Why is C-5 Galaxy not used for commercial airlines while Boeng 747 is?

For a layman like I am, both the planes look massive and similar in size and shape, as if a near copy of each other. Do the similarity only end in the size and shape? Do they not perform equally well ...
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2answers
2k views

What's the shortest amount of time a commercial airplane will be on the ground in between flights?

What's the shortest amount of time a commercial airplane will be on the ground in between flights? After a commercial flight lands the passengers and luggage have to be unloaded, the airplane needs ...
15
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1answer
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Who manages International Airspace Traffic?

For example, if a plane is flying from Amsterdam to Miami and is in the middle of the ocean, who manages that traffic? The ARTCC? Or the airplane just flies without communicating for some hours until ...
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3answers
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How do airplanes get stacked in a holding pattern?

This question prompted me to wonder how it works at a major airport. Let's say four airliners all are scheduled to arrive within a few minutes of each other to a major airport, perhaps from the four ...
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3answers
3k views

Why do we no longer have a navigation officer on modern commercial flights?

In the olden days there used to be a navigation officer in commercial airlines who had the tasks of navigation and radio communication. But, in modern commercial airliners there is no navigation ...
15
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1answer
2k views

Which commercial aircraft are capable of computer-only landings, without human assistance?

Currently what models of commercial aircraft are capable of landing and safely stopping the aircraft, without any human assistance, other than inputting instructions to the onboard computers.
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1answer
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Did Flight Engineers progress to be pilots?

When 3 man cockpits were common place on commercial aircraft what was the career progression of a Flight Engineer like? Did FE's normally transition to be pilots? I'm not trying to insinuate here ...
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4answers
8k views

Which is longest Oceanic crossing for any commercial flight route?

During oceanic crossings, there are limited to no terrestrial radio communications available, so I would think that most flight routes are designed to minimize ocean crossing time. Which commercial ...
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2answers
5k views

How often does fuel dumping from planes in flight actually occur?

There are a couple of questions about the emergency procedure of fuel dumping, used to reduce the weight of airplanes to be able to land. This is certainly interesting, regarding environmental ...

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