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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How to find accurate civil aviation flight traffic data? [closed]

I need to review civil aviation flight traffic data for several regions around the world. My preference is real-time data, but data delayed by 5-15 minutes is fine. Historical data (going back 1 year)...
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What are the reasons for not charging parking fees when arrival dellayed? [closed]

What are the reasons for not metering when arival delayed?
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What is a control area? [closed]

I read a controlled area is a controlled airspace extending upwards from a specified limit above the earth. But what is the difference between a contolled airspace and a control area.Also what about ...
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What is the slowest long haul commercial aircraft in service to this day? [closed]

I have been looking at planes used in routes for airlines to see which model was the slowest.But I still don’t know which aircraft is the slowest. Edit: long haul meaning: SFO-HND Also, only passenger....
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By how much can the pressure at the surface qnh local conditions change? [closed]

Local pressure changes every second so to say but what is the range of it ? Ofcourse it depends on many factors such as countries size, temperature and so many other factors...
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What is the best aviation pilot flight school in the world? [closed]

What is the best aviation pilot flight school
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3 answers
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LVO Operation Airbus 320

Let's say we are Cat 2 rated and shooting an approach with cat 2 weather condition. During the approach around (2000ft) , aircraft downgraded to Cat 1 single. can we continue the approach ?
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Is there a benefit or advantage of decreasing the transtion altitude or transition level?

Some counrties have high transition altitudes and transition levels while other countriea have low ones.
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How is the transition altitude calculated? [duplicate]

Transition altitude should be clear of terrain and obstacles.
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What is the thrust to weight ratio of the A330-900neo?

Does anyone know what the thrust-to-weight ratio is for the Airbus A330-900neo? I'm getting different numbers when I try to calculate this for myself.
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2 votes
2 answers
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Difference between Maintenance planning document(MPD) and Maintenance Manual (AMM)

Could someone explain to a layman, relatively new to Aviation maintenance, the difference between the Maintenance planning document(s) (MPD) and the Maintenance manual (AMM). Is one a subset of the ...
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What does 15/13 mean with pilot schedule?

Saw that this when looking at a part 135 corporate pilot job. What does this mean?
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What can be obtained from minimum vector altitude (MVA)?

From the minimum vector altitude (MVA) can be obtained: Only the obstacle clearance, only the navigation reception, or both?
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How long is the TDZ of a runway? [closed]

How long is the TDZ of a runway? 3000 ft, 3500 ft or 2000 ft?
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FAA FOQA Program

The FAA's Flight Operations Quality Assurance (FOQA) program is currently voluntary for some operators. The program allows flight data to be recorded, analyzed, and then submitted to the regulator. ...
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3 answers
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Difference between Mountain Breeze/Katabatic Winds and Valley Breeze/Anabatic Winds

I am studying Meteorology for my CPL exams, and taking EASA's 2020 Learning Objectives as a guideline for the topics I have to study. In the topic of local winds, there are subtopics for Anabatic &...
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Number of US Commercial Aircraft versus Rest of the World

I have been trying to obtain information on the number of commercial passenger aircraft (i.e. jetliners) that US airline companies have compared with the number airlines for the whole rest of the ...
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2 votes
1 answer
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Planform Area of Commercial Passenger Airplanes

I am trying to retrieve information on the total area constantly covered by commercial passenger airplanes in flight (that is, airborne planes, not planes on the ground). To this end, I've been trying ...
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17 votes
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How long does it take to train a commercial pilot to fly a fighter jet?

The question is motivated by the recent events in Ukraine and the Ukrainian parliament on Monday tweeted that Europe was sending 70 fighter planes to Ukraine. If this were to happen, how much time ...
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Why do transport-category aircraft have hard tailwind limitations?

With most transport-category aircraft, even with a 5 km runway, gross weight close to ZFW, using maximum flaps for takeoff, performing an unpressurized, full-power takeoff, the maximum legal tailwind ...
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Why didn't ejection seats become a thing in civil avation and only limited to military? [duplicate]

Recently, an Indian CDS Bipin Rawat and his family as well as eleven members of the Indian Army died in an helicopter crash. You can find the story here. I did look at any questions asked on the topic ...
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7 votes
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G Load during payload drop

Some days ago I saw the accident of the airtractor that, just after a drop, suffered a spar failure in both the wings. Luckily the pilot survived. If load factor in his simplest formula is: n=lift/...
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5 votes
1 answer
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Why does the INIT page on the A320 MCDU have "FLT NBR" instead of "CALL SIGN"?

My understanding is that the call sign is entered for FLT NBR on the INIT page (e.g. EZY8418), not the flight number (U28418). I have heard of reports of pilots mistakenly entering the flight number ...
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10 votes
2 answers
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Did commercial air planes in 1972 really not have some sort of automatic distress call equipment?

I've recently watched the 1993 movie Alive, "based on" the real events of Uruguayan Air Force Flight 571. I don't know how accurate it was, but the basic idea is that the pilots did a ...
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1. Do commercial airliners turn off vents during boarding? 2. To save money?

BugsArePeopleToo comments on Scientists call for travel ‘code red’ over Covid variant found in southern Africa But airplanes are still turning off their vents during the boarding process, to save ...
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5 votes
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Does aircraft manufacturers provide option to exchange older models?

Most of the vehicle manufacturers provide exchange value for older models when buying a newer one. Like you can exchange your old BMW 3 Series for new 3 Series or upgrade to 5 Series and so on. Is ...
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4 votes
1 answer
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Did British Airways or Air France use Professional Flight Engineers on Concorde?

Did British Airways or Air France use Professional Flight Engineers (non-pilot PFEs) on Concorde or were the flight engineers required to be pilots (not necessarily qualified to fly Concorde) who ...
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Do commercial aircraft carry personal weapons?

Even though airport security is very strong nowadays, commercial flights are still at risk of hijacking. Alternatively, passengers (perhaps mentally distressed) could provoke damage to crew, ...
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20 votes
3 answers
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What happens after a professional unintentionally crashes in a simulator? Can they be disciplined?

I was wondering about what happens if a professional pilot who's training to fly a major commercial airframe unintentionally crashes during flight time in a simulator? I'm not asking about some ...
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What should be approx altitude of jet aircraft 10 nautical miles to landing [duplicate]

Please assume the elevation of airport to 2000ft ASL. Under what conditions ATC might mandate aircrafts to fly at lower altitudes? What might be approximate speed at this distance?
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What is the explanation for the appearance of airplanes hovering? [duplicate]

A few weeks ago, I saw a plane that appeared to be hovering in the air. It was a large commercial airliner. It was not a windy day, land speeds of 24km/h max that day, about 5km/h at the time I saw it ...
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Variables of Dryden Wind Model

How to determine the turbulence intensities (σu, σv, σw), scale lengths (Lu, Lv, Lw) & Angular frequency (ω0) in the given Dryden wind model to generate wind speeds (u_w, v_w, w_w) of civil jet ...
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83 votes
1 answer
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Why did this FedEx flight (FDX1311) take such an indirect route multiple times?

I was looking at flights from DEN -> MEM, and saw this extra-long route that FDX1311 took last night (9 Aug 2021) Thinking they were probably just avoiding storms, I scrolled down and saw there ...
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Would the FAA ever approve special issuance to an airman with a previous psychosis diagnosis?

Hate to sound like a broken record but has and would the FAA ever issue a special issuance to an airman with a previous psychosis diagnosis if he proved over time that he was stable? Trying to get as ...
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2 votes
1 answer
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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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2 votes
1 answer
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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.
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13 votes
9 answers
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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 ...
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13 votes
1 answer
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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 ...
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3 votes
1 answer
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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 ...
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2 answers
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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).
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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 ...
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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
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2 answers
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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.
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1 answer
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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.
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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 ...
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5 votes
1 answer
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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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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, ...
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1 vote
1 answer
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Does the civil industry use the CAN FD bus?

Does anyone know if commercial aircraft are using the CAN FD communication bus?
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2 answers
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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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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?
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