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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121 views

Can I fly a friend for money when holding a commercial pilot certificate? [duplicate]

You have a friend that has recently purchased a rare car. He has offered to pay you to fly him there and drop him off so he can drive the car back. Is this allowed if you hold a Commercial Pilot ...
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1answer
130 views

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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1answer
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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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1answer
123 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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1answer
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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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9answers
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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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1answer
264 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 ...
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1answer
166 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 ...
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2answers
98 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).
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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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2answers
177 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.
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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.
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2answers
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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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1answer
226 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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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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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.
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1answer
94 views

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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2answers
284 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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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?
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1answer
126 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?
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15answers
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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, ...
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1answer
548 views

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

What language is Boeing's MCAS written in? Thanks
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3answers
274 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 ...
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1answer
617 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 ...
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1answer
151 views

Why there are multiple classes in same plane? [closed]

This question always baffled me, why most conpanies do not have different planes for each ticket class ? There are obvious benefits to this system: Better paying customers can fly more reliable/newer/...
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1answer
170 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 ...
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1answer
205 views

Why don't airlines place some physical separator between passengers in the planes to prevent the spread of COVID-19?

Why don't airlines place some physical separator between passengers in the planes to prevent the spread of COVID-19? A bit like the following, but adapted for cabins and viruses: (image source)
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1answer
188 views

Has any commercial airliner ever flown inverted? [duplicate]

Has any commercial airliner ever flown inverted, either intentionally (extremely unlikely) or during an upset?
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3answers
111 views

How different is ADFX/ARINC 664 router from normal Router?

ADFX or ARINC 664 is a protocol that is derived from the Ethernet protocol. What I understand it is Point to Point (no routing of data) Deterministic used VLAN for addressing I just wonder do we ...
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1answer
2k views

Electrically heated windshields are mostly transparent, but their colors vary from light blue, yellow or light pink. Please explain

Found it on a quiz worded this way. No other details unfortunately. I can only assume it has to do with the heated element materials of tungsten or molybdenum reaction with film layer materials. ...
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5answers
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First time passenger flight by two pilots?

In this video, the captain proclaims after take-off: We were nervous about this, but takeoff went smoothly It was his first passenger flight in the A350, but still... not exactly what I would want ...
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1answer
99 views

Why aren't we using drone blimp/hybird airship for delivery? [duplicate]

Currently, the heaviest weight a commercial drone (the type that delivers Amazon package, not the type that delivers tons of stuff) can lift is 4.5kg with a 30-45 minute battery life. A drone blimp/...
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1answer
317 views

What is the difference between an Airbus A330-200 and an A330-243?

I am just curious to know the difference between Airbus A330-200 and A330-243. Sri Lankan Airline A330-243 Sri Lankan Airline A330-200
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2answers
1k views

How serious is the problem of "stopping too far" next to the jet bridge?

In the answer to the recent question "How does an airliner adjust ...", there is the mentioning of the signal: "STOP TOO FAR". But what to do if you see this? In other words, if ...
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1answer
2k views

How does an airliner adjust and move exactly over the coloured lines before stopping in front of the jetways?

How does an airliner adjust and move exactly over the coloured lines before stopping in front of the jetways?
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0answers
107 views

Can any US airline fly to and from any US city it wants to?

I am trying to understand the US commercial aviation industry. Assuming that slots are available, are US airlines permitted to fly to and from any US city they want to? Or are there limited permits ...
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1answer
133 views

Why did the 747-8's freighter version make its first flight before the passenger version?

I have read that the 747-8F entered service in October 2011, almost eight months ahead of the passenger version (747-8I). Anyone know why this is? Thanks
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0answers
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What is the ratio of standby crews to flying crews?

Section 4.O of the FedEx Collective Bargaining Agreement discusses how pilots are to be compensated for being on standby. From what I can tell they basically get paid a "trip guarantee" that is close ...
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4answers
384 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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2answers
110 views

Shall We Consider Reversers in performance Calculations?

Thrust reversers are featured to help slow down the plane after touchdown. Moving the thrust levers aft activates the translating cowl to open, closing the blocker doors. This action stops the fan ...
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1answer
610 views

How to define quarter-chord sweep angle for a cranked wing?

I have the values for surface area, span, aspect ratio, and quarter chord sweep angle, etc., for a general trapezoidal planform. So, I changed my wing to a single cranked wing such that surface area ...
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1answer
1k views

How many cabin crews are needed for an A350-1000? [closed]

How many cabin crews are needed for an A350-1000?
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2answers
138 views

Is AMDAR a required system on aircraft?

I was intrigued by the assertion that COVID-19 depressing commercial aviation has lead to lower quality weather forecasting The aircraft observations are a key piece in the jigsaw of national and ...
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1answer
50 views

Is there standard ticket data format specification for commercial flight operators? [closed]

I am new to this group and what brings me here is I am doing a research on ticketing solutions for commercial airlines. So I just wanted to find out if there's a international standard specification ...
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3answers
368 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 ...
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4answers
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Why are 'ghost flights' necessary?

This article details the recent (March 2020) grounding of 90% of Ryanair's fleet due to the COVID-19 outbreak. Flight tracking data showed that all bar one of the jets had been flown in recent days:...
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1answer
145 views

Why are non-essential passenger flights still being flown? [closed]

I'm not asking about essential passenger flights like for "like food, supplies, and flying medical workers. Oughtn't non-essential passenger flights have been shut down in North America, to curb the ...

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