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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13
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1answer
256 views

Has a passenger's consumer electronic device ever actually caused a crash?

Most of us are familiar with the standard warnings and regulations against passengers using electronic devices (at all during takeoff and landing, and in some cases throughout the flight). This is ...
2
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1answer
111 views

61.133(b)(1) what counts as a full cross country flight?

14 CFR 61.133(b)(1) states that a commercial pilot without an instrument rating will receive a limitation of “The carriage of passengers for hire in (airplanes) (powered-lifts) on cross-country ...
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3answers
2k views

Which commercial aircraft can perform a parallel engine start?

In various Youtube videos, e.g. this one, one can see that the Boeing 787 is capable of a parallel engine start (both engines are started at the same time). Are there any other commercial aircraft ...
2
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1answer
149 views

How does an airline respond to the loss of one of its aircraft in a hostile country?

I was wondering if the steps are the same as an accident on home ground where there is a go team and how they set up the area around the crash site, with a team contacting passegner relatives.
13
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9answers
7k views

Were propeller airplanes significantly more “scary” to fly in compared to modern jet ones?

I've flown exactly once in my life. It was in 2004, with a commercial jet. Not a "jumbo", but a normal-sized jet plane in common use for cheap flights in that year. (Well, twice if you ...
111
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9answers
24k views

Is there a maximum possible size for an airplane?

Is there any theoretical or practical limit to the maximum number of passengers - and therefore size - one can build an airplane for?
48
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7answers
10k views

Can ATC handle a flight as emergency although the pilots have not declared an emergency?

The preliminary report for the LNI610 crash shows how much distractive conversation there was between ATC and LIN610 at a time when the pilots clearly didn't have the aircraft under control – as ...
3
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1answer
124 views

What does it mean to have a SIC limitation on your medical class 1

Is there anyone who knows what a SIC limitation on your medical would mean? I found out on the EASA documents that it stands for "Specific medical examination pilot". But what exactly would ...
2
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3answers
1k views

What is supposed to prevent a commercial crew from flying to the wrong airport?

Context Obviously: Crews are skilled and well trained. In a crew of two, one can fix others confusion. There is a flight plan, ATC can inform of a deviation. GNSS / ILS / VOR / DME frequencies and ...
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3answers
19k views

How does one become an airline pilot in Australia?

I am 19 years old and from a young age I have always wanted to become a pilot at an airline. Becoming one is my biggest dream, to me an airline pilot is the most coolest jobs - I get goosebumps just ...
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2answers
95 views

Is there a minimum weight requirement for an commercial aircraft?

For an aircraft to be approved for commercial usage (like Boeing 747s or Airbus 320s), is there any minimum weight requirements, just the aircraft (without passengers and crew).
0
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0answers
45 views

Is it possible to continue flying without electric power? [duplicate]

To be specific with the question, I would like to know if if it is possible to continue flying in the event of total loss of electrical power. Obviously, I know this entails the shutting down of ...
0
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0answers
61 views

Minimum length required for the runway landing and takeoff of ATR 72-600?

What is the minimun length required for the runway landing and takeoff of ATR 72-600? obs: altitude of 1000ft at 30 degrees
0
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2answers
1k views

What is this very distinct humming noise coming from the IAE-V2500 engines of the A320 during taxi?

So I am a huge fan of the A320, and in a less broader sense, the A320 with IAE-V2500 engines. Arguably the greatest engines in the industry with the greatest sound. However though, I've had a question ...
60
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10answers
21k views

Why is there really only one basic design for passenger airplanes?

So when I look around on the airport, I don't really see many differently shaped airplanes. They all look pretty much the same, only subtle differences. Image: Aircraft Recognition Why is this ...
-7
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1answer
499 views

What programming language(s) is Boeing's MCAS written in?

What language is Boeing's MCAS written in? Thanks
11
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1answer
3k views

Are there any airports that do not have an IATA code but have a huge number of traffic?

I am collecting a list of all airports in the world for my project, at present I have 46000 airports in my database but only 7000 airports have IATA code. So my question is, if I only take 7000 ...
0
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2answers
176 views

Can I Return Back to the Destination Airport after I Diverted to the Destination Alternate? [closed]

Can I Return Back to the Destination Airport after I Diverted to the Destination Alternate (while enroute to the destination alternate)? I highly appreciate an answer with reference please.
0
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1answer
99 views

Is there a daily list of diversions? [closed]

Is there a way to find a daily list of commercial flight diversions that have occurred? If not, is there any way to compile one from available data? Extra points if you can also get the reason.
21
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3answers
2k views

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?
14
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4answers
1k 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 ...
15
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1answer
4k views

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 ...
14
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1answer
12k views

How is Calculated TakeOff Time (CTOT) calculated?

This answer mentions: How these CTOT times are calculated is very complex, and deserves another question if you are interested. I'm interested. How does it work? What is the level of complexity ...
9
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1answer
400 views

What do the various lights in the overhead aisle light cluster of a Bombardier Q400 NextGen represent?

I took this picture of an overhead aisle light cluster in a Bombardier Q400 NextGen. Copyright: self I am inquiring about the role of the bottom row of six rectangular lights. From right to left ...
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3answers
5k views

Why do most A320s make that distinct scream on takeoff?

I've noticed that the engines on the A320 make a very a distinct sound on takeoff. Is there something about the CFM-56 series that causes this? This noise can be heard in this video.
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3answers
287 views

What is the lightest jetliner out there?

What is the lightest commercial jetliner out there? I was thinking of something like a Embraer E170.
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2answers
83 views

In general, what are the RPM ranges/differences between the various compression stages on a 2 or 3 spool (LP,IP,HP) turbojet/fan engine?

I have a general interest in jet engines and am pretty new to the topic so I wanted to toss this question into the wind as I don't have any previous experience or knowledge to pull from and haven't ...
5
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1answer
318 views

Can pilots take multitools on board in Canada?

Can pilots in other countries or Canada carry Swiss army knives onboard on commercial flights? Passengers are not allowed to do that in Canada.
16
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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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2answers
211 views

Windowless VS windowed aircraft [duplicate]

While Emirates was showing off its triple seven's ability to provide crystal-clear viewing from virtual windows, it mentioned: "that could be a step to windowless aircraft", and I felt like ...
5
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2answers
494 views

Are any airlines actually flying the Comac ARJ21?

The Comac ARJ21, China's answer to Embraer's regional jets, was launched with great fanfare in 2016. However, if FlightRadar24 is to be believed, launch customer Chengdu Airlines does not appear to ...
5
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1answer
215 views

What is ILS CLASS in this airport NOTAM?

I have seen this NOTAM for UAII /CIT SHYMKENT airport and they mention ILS CLASS for runway 10/28, Does anyone knows what it means? NOTAM: NOTAM K3998/20: Shymkent Airport (UAII) K3998/20 NOTAMN Q) ...
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0answers
102 views

Best Way to certify DO-178 Communications Stack?

We currently have a piece of hardware running an RTOS that needs the communication stack to be certified to DAL-B. Everything has already been developed for non commercial aerospace applications, ...
0
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0answers
22 views

Question regarding Selection Assessment [duplicate]

Could anyone please help me with this Spatial Orientation bit and explain me its basics. I am having alot of confusion while attempting such questions. Any help would be much appreciated.
1
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1answer
91 views

Does the civil industry use the CAN FD bus?

Does anyone know if commercial aircraft are using the CAN FD communication bus?
21
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1answer
7k views

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 ...
0
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2answers
282 views

Before COVID, what was the largest aviation crisis ever? [closed]

The Covid-19 pandemic is the worst crisis aviation has ever faced. Which one was the biggest one before that pandemic?
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2answers
937 views

What is the acceptable position of the brake wear indication for A320?

What is the acceptable position of the brake wear indication (PIN) for an A320 to be safely dispatchable?
1
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1answer
70 views

Factors to be considered when re-engining aircraft

What parts of the aircraft need to be adjusted / refitted / added when fitting new (different type) of engines? Also what what kind of re-certification regarding airworthiness etc. will be necessary?
9
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2answers
1k views

Are tripropellant jet engines a viable way to increase fuel efficiency for large commercial airplanes?

I was just reading about a tripropellent rocket engine that apparently passed all tests and was ready for flight before the program was cancelled in the early 90's. The engine was the RD-701 for the ...
6
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4answers
1k views

Would hydrogen fuel tanks on an airplane increase lift?

Since hydrogen is lighter than air, would hydrogen fuel tanks help provide lift for the airplane?
3
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3answers
359 views

How do airlines train their pilots to deal with the stress of delays?

There are some good answers here dealing with boredom during long flights and with the physical stress of piloting, and with what pilots to do during a delay. I'm interested in how pilots cope with ...
1
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1answer
123 views

Does the retirement age for commercial airline pilots vary across the globe?

Do the retirement age of commercial airlines pilot varies from country to country?
12
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15answers
7k views

Are there passenger flights with stops in the middle?

Train and bus lines usually have a number of stops along the way where some passengers can get on and off, while the rest stay onboard and continue to their destinatiom. For sufficiently long routes, ...
2
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3answers
254 views

Could gliders be a clean, practical alternative to other forms of transport?

Would it be possible to use pure gliders as an eco-friendly mode of transport? From what I have read so far, gliders can travel at a speed of 100-170 km/h. That would not be able to compete with a jet ...
-4
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4answers
379 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 ...
1
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1answer
164 views

Can a company without an AOC hire out pilots to another company that does have one?

Is it legal for a company that does not hold an Air Operator Certificate (AOC) (company A) to hire out a pilot a second company that does have an AOC (company B)? Company B would be the one actually ...
42
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5answers
16k views

Why did my flight climb so sharply on takeoff?

I was on a Ryanair flight this morning that seemed to perform an incredibly aggressive takeoff from London Stansted on a 737-8. Takeoff was fairly fast, but the climb was the steepest I ever ...
0
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1answer
526 views

1.VRB02KT: Is it varying more or less than 180°? 2.VRB03KT: Is it surely varying more than 180°? [duplicate]

Based on the following ICAO Annex 3 criteria for the use of the abbreviation VRB (not FAA, which is different and evident): when the total variation is 60° or more and less than 180° and the wind ...
17
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4answers
3k views

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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