Questions tagged [airline-operations]

Refers to questions asking about airline practices, procedures, and processes both in the employment arena and in flight.

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17
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2answers
22k views

What exactly is a QRH?

In this question about aircraft dumping fuel I was told that there may possible be guidance in the QRH. I know that there are a lot of guidelines given to pilots, but I've never heard of this one. ...
13
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2answers
4k views

Why would some flights use props instead of jets?

Two years ago I flew from Tel Aviv, Israel to Tromso, Norway via Riga and Oslo. The Tel Aviv-Riga leg was flown in an A320, and the Riga-Oslo and Oslo-Tromso legs were flown in prop planes, Fokker ...
4
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1answer
173 views

How much does weight really affect the operation cost?

Hi given an information from a reliable new source article (https://www.nytimes.com/2008/06/11/business/worldbusiness/11iht-air.1.13628276.html), it was mentioned that "Every 25 pounds we remove, we ...
15
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3answers
2k views

Why fewer operations on weekends?

Why are there fewer air carrier operations on weekends? Looking at PHX data, we have the following annual trend that clearly shows a weekly drop of about 8% on weekends: and when I average the data a ...
15
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2answers
433 views

On commercial jets, is asymmetric thrust used as part of normal operations?

I know that when manoeuvring on the ground, asymmetric thrust is often used, for example to assist in turns when taxiing. Are there other circumstances in normal operations which might call for the ...
1
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1answer
314 views

How much does it cost if someone falls ill before take-off?

A month or so ago, I flew from LHR to Australia, via Doha, on a Qatar Airways A380. Just as we were about to enter the runway at LHR, the captain announced that someone had been taken ill on the plane,...
0
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0answers
54 views

Does the Flight Data Recorder store the data locally or send it to an offsite backup while in flight? [duplicate]

I was wondering, what a black box actually does ? Does it store the in flight data, in case an accident should occur or it's sending it to an offsite backup while in flight ? And if it stores the data,...
8
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1answer
32k views

Who authorizes low visibility takeoff operations for airlines, and what is required?

A previous question pondered the legality and safety of low visibility Part 91 takeoffs. I am wondering about the requirements for low visibility takeoff for commercial airline operators (e.g. Part-...
13
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2answers
483 views

What is the proper procedure when a passenger seat belt becomes inoperable during flight?

I was on a Delta flight in Business class on a 777 and during flight the motor of the seat caused the seat belt buckle to pop off the end of the seat belt causing the seat belt to be inoperable. ...
10
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6answers
3k views

How can Ryanair offer flights for a penny?

Of course, we all know that you're not exactly treated like a rockstar on Ryanair, and their CEO wants to charge us £1 to use the toilet; but still, how can they offer flights for a penny?! Looking ...
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3answers
1k views

How do I get flight numbers?

Flight AWE685 goes from Seattle to Philadelphia. What exactly is that AWE685 identifier called? Every flight seems to have a unique name. I'm trying to learn more about flight data but it's tough ...
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2answers
2k views

Why does one announce “Thrust Set”?

I have watched many aircraft takeoffs now where the flight deck announce 'Thrust Set', just after the engines are set to full. Forgive the dumb question, but why does one announce that the thrust is ...
20
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4answers
5k views

Why didn't Air India always fly DEL-SFO over the Pacific?

I read a 2016 article that said Air India broke a record for the longest flight (distance) by flying from New Delhi to San Francisco over the Pacific rather than a polar/Atlantic route. The total ...
1
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0answers
165 views

Did these weather conditions require the airline to cancel a flight? [duplicate]

[I do not believe this question duplicates a previous question, which involves different conditions and circumstances] I'm interested in the airline's response to a query of mine about why a flight ...
1
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3answers
368 views

What is the maximum speed for regulation of sonic boom noise?

If fuel cost and fuel efficiency were not the issue, what is the maximum speed (air speed and ground speed) that business jets or airliners could travel at without exceeding the maximum noise and ...
9
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2answers
39k views

Do modern flights and pilots have reservations about flying over the Bermuda Triangle?

I know that the Triangle was pretty much legend back in the days but now, given that there is so much technology involved with respect to tracking and communications, do pilots, flights and airlines ...
12
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1answer
502 views

Why did flight NH175 divert back to Los Angeles?

In the news recently is All Nippon Airways flight NH175, which returned to LAX after four hours towards NRT when it was discovered that a passenger aboard did not have the correct ticket, although his ...
13
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2answers
8k views

Why would Emirates fly over Iraq, avoiding Iran?

For the last few years flying with Emirates from the UK to Dubai, I've noticed it avoids Iraq and fly over Iran to the north. For example, EK40 from BHX to DXB From Flightradar24 However, flying ...
2
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1answer
429 views

Do airlines in Middle East use higher cost indexes?

Cost index equals time cost divivded by fuel cost. Given that, do the airlines in Middle East generally use higher cost indexes because fuel costs are much cheaper?
30
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2answers
5k views

Why does Turkish Airlines avoid Israel when going to Amman, but not on the return leg?

(flightaware.com) Last week I was browsing Flight Aware when I came across a Turkish Airlines flight from Istanbul (Turkey) to Amman (Jordan). I noticed that the flight path clearly makes an effort ...
0
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1answer
866 views

Where can I find accident statistics on zero gravity flights?

I am investigating the option of booking a zero gravity flight with a commercial airline. But I am a nervous flyer. Do any of the airlines offering this have a 0% accident / fatality record?
6
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0answers
201 views

What regulation allows airlines to require flight attendants to work up to 20 hours? [closed]

What regulation can a Part 121 airline use to bypass the rest requirements for flight attendants? Our airline has been working flight attendants for up to 20 hours using the term "irregular ...
5
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2answers
4k views

Which current commercial flights have the highest ETOPS ranking?

While the Airbus A350 is technically certified for ETOPS-370, what are currently the highest rated commercial ETOPS flights? Which airline actually operates flights under ETOPS-330 or ETOPS-370 rules ...
3
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5answers
441 views

Why are autonomous vehicles not used at airports for on-ground services?

Autonomous vehicles have been around for over an decade, other industries such as the maritime industry have already been using unmanned vehicles at ports. Curious to know why airports are reluctant ...
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0answers
209 views

How does an operator change an aircraft's maintenance program from high-interval to low-interval?

I have question for CAMO operators. If you have a maintenance program that is high-interval and the aircraft operates in excess of the maximum permissible hours and cycles you must go to a low-...
3
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1answer
306 views

Why don't passenger planes move back by their own means before taxiing? [duplicate]

As far as I know, passenger planes needs a puller/pusher truck to go back in the land. But why they don't go back without truck assistance?
0
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1answer
192 views

Post MH370, are there developments to improve the tracking of airliners? [duplicate]

Post MH370, are there developments to improve the tracking of airliners? Is there any technology being developed that would utilize the smartphones of the passengers? MY question include smartphones ...
50
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6answers
15k views

Why was my flight cancelled due to bad weather while other flights were not?

I'm stuck in Frankfurt. I missed my connection due to a delay. I was rebooked, but this new flight was also cancelled due to bad weather. About 30 percent of all flights were cancelled today. ...
4
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1answer
391 views

What is the difference between placing wheel chocks on the outer wheels as opposed to the inner wheels of the main landing gear?

Recently I am aware of a change made to the IATA Ground Operations Manual (IGOM) in regards to the position of the wheel chock on the main landing gear. Is there a justification for why one method is ...
8
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1answer
585 views

How do airline pilots relieve the physical stress and discomfort of sitting for long periods of time?

Airline pilots are required to sit in the cockpit for quite a considerable amount of time during their day. For example, during the preflight, climb and descend portions of the flight, there are many ...
3
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1answer
183 views

What is the speed of a standard airliner during the different phases of the flight?

I would like to know how does the speed of an airliner vary as a function of time.
15
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3answers
3k views

Why have different flights with the same flight number?

It's not uncommon for two distinct flights to have the same number. For example, DL10 consists of a narrow-bodied jet flying from Denver to Minneapolis–St Paul and then, two to three hours ...
36
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1answer
3k views

How are duplicate call signs dealt with?

Many airlines (at least here in the U.S.) have flight numbers that use different aircraft for different legs of the flight. For example, Delta 158 uses a 747-400 from Incheon International in Seoul to ...
8
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1answer
741 views

Why do the emergency oxygen masks for some 787 premium class seats have an extra 'streamer' to pull them down?

Specifically, on Norwegian 787s, you are briefed: "In economy seats, reach for your mask. In premium seats, pull the streamer for the mask to drop the full distance." (source) Now the ...
17
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1answer
2k views

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 ...
4
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1answer
275 views

Is (or was) it acceptable to throttle up for takeoff before being aligned with the runway center line? [closed]

30 years ago I was on a flight from Spain to Brussels and when we were heading to the runway for takeoff, the commander opened full throttle to the engines while we were still some 60º away from being ...
31
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5answers
5k views

How do commercial pilots keep situational awareness of their current call sign?

Air transport pilots operate flights with a variety of flight numbers, often with multiple flights in the same day. This means, as a result, the callsign that they are using changes as well. Also, ...
0
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1answer
399 views

What is the flight time limitation for commercial air transport operation in Europe?

What is the maximum hours of flight time that a pilot can work legally in Europe? (daily, monthly and yearly)
4
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1answer
213 views

What do Turnaround Supervisors do before departure?

Before the plane is able to take off, what calculations do Turnaround Supervisors have to do and what do they have to check before the plane departs?
8
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3answers
3k views

Is the Airbus A380 a viable shorthaul airliner?

What is the technical, mechanical and economic feasibility of using the Airbus A380 for short haul flights of under 4 hours in its 800 plus seat configuration? I'm talking about cost and economies of ...
2
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0answers
238 views

How much does a new hangar at a major airport save an airline?

I'm doing research on a case involving United Airlines trying to build a new hangar at Newark International Airport, and being extorted by the chairman of the Port Authority. He demanded an ...
4
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1answer
452 views

How do airlines without assigned seating verify cargo balance? [duplicate]

How to approximate the mass of passengers is well explained, but balance of the aircraft is concerned more with where they sit. Other answers have hinted that assigned seating locations are one method ...
6
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2answers
367 views

How many emergency/abnormal checklists are there for a typical airliner?

(Related to, but hopefully not a dupe of, this question) The latest NASA ASRS newsletter includes the case of an A320 crew that forgot to retract the gear and started detailed troubleshooting without ...
33
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6answers
18k views

What simulation software do airlines use?

What simulation software do airlines use for training purposes? Do they use software like P3D, FSX, X-Plane, or FlightGear? Or is it a custom? What about aircraft? Do they source them from groups like ...
0
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3answers
857 views

Why do airlines not use direct routes?

Why do airlines use SIDs and STARs when flying IFR. Wouldn’t it be easier and make more sense for them to use direct routes (for example KDFW.KLAX instead of KDFW.L4D.ZIBIT.J5N.BUBIN.P3K.KLAX (not a ...
4
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2answers
3k views

What are SIDS and STARs?

I’ve been exploring the FMC(flight management computer) on the PMDG 777 and noticed that under the route section you can insert VIA and TO points. From what I’ve learnt this is where you would insert ...
6
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1answer
539 views

Do flight attendants do pinch-hitter training?

I was watching a Captain Joe video (Can a PASSENGER land a PLANE?) and he mentioned that he left out the 20 minutes it took the person to even figure out how to communicate with ATC. It seems to me ...
11
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1answer
315 views

Do any airlines publish their policy on CRM / Do Not Pair?

A question came up recently on Skeptics.se regarding the implementation of "Do Not Pair" lists in Airline operations. I am skeptical of the answer given (irony?) which ascribes the implementation of ...
5
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1answer
684 views

What's the pilot's typical reaction time to co-pilot's callouts?

How long does it take on average before a pilot initiates an action in reaction to a co-pilot's callout? Are there any research data on this subject? I'm asking this question in relation to the V1 ...
2
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1answer
220 views

What infrastructures are required for airlines to send PNL messages?

There are lots of information about Type-B messages sent by airlines on IATA website but they have not stated under what communication systems (cable, teletype, intranet, internet, etc.) these ...

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