What is a COST INDEX and how AIRLINES use it?! Explained by "CAPTAIN“JOE
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- Опубликовано: 8 сен 2024
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Dear friends and followers, welcome back to my channel, today´s question is another very important one, especially if you are wanting to become an airline pilot, you´ll be dealing with this topic a lot.
What is a cost index and how does it influence the planes´ performance. I´ll go over some basic details on what defines the cost index, like flight operational costs, what they are made of and how they have an impact on daily flight operations. Another very big part of the cost index calculation is the current fuel price. As fuel is the denominator in the division, it has the bigger impact on changing the value of the cost index.
So I´ll show you an example on how to perform such a cost index calculation.
You can say, the cheaper the fuel the higher the cost index, the faster the plane will fly, the shorter the flight time.
The more expensive the fuel, the smaller the cost index becomes and the slower the aircraft will fly to become more economically efficient.
Next then will be to look at on how the cost index affects the planes´ flight profile.
KEY NOTE:
LOWEST COST INDEX and the aircraft will fly at maximum range cruise but relatively slow.
HIGHEST COST INDEX and the aircraft will fly at maximum cruising speed giving you the shortest flight time at the highest fuel burn.
The cost index value ranges from 0 - 999 and has to be typed in the FMS ( Flight management system ) via the MCDU ( Multi Control Display Unit ) on the Airbus.
I hope I was able to explain this topic as simple as possible, cause this for sure is a difficult topic.
Thanks for watching, all the best your "Captain" Joe
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YAY the captains back!
Double yay!
Hussein Warsama Triple YAY!
Danny Ly Quadriple YAY!
quadruple YAY!
You mean co-pilot Joe.
THANK YOU JOE ! That was an unanswered question for me ;) Hope that will help me in my ATPL course ^^
Sc Ar from which school are u becoming pilot
ENTERTAINMENT BY MSA Aeroformation in Bron (LFLY), France :)
Thanks for telling
Nice to see you back Joe! It's brilliant how you make complicated aviation stuff become very simple to understand.
Do a video about flight speeds/takeoff speeds/ landing speeds etc
Okay thanks but other speeds would be nice
Finland spottedddd. love from finland💗
Suomi mainittu
Jep
I love my 'Joe' 😘
Hello Cpt Joe we missed you. hope to make a video about how to start up an airbus or a boeing :D keep it up
Last evening, I got to fly in a B-737 flight simulator, and the instructor was explaining the Cost Index in the FMS, it was very interesting, and your explanation goes further in depth, thanks!
I hope you had a good time in my city (NYC). I plan to be a pilot for Delta or American Airlines one day. Flying multiple aircraft should be fun!
Hey Joe, great video as always, I wondered if you could make a video about aircraft leasing, and what are its differences with buying.
finally. i've been waiting for new video for 2 weeks
"Save this video in your playlist". Wait, your channel is my playlist! Awesome video :-)
Hi Joe, great video as always! Would you be able to make a video on certain airline procedures, such as single engine taxis or packs off takeoffs and how they affect the airplane/airline. Thanks!
Finnair! I am from Finland! Yay! Nice video, Captain!
I saved the video offline before you told me to save to the playlist :)
Hatte ich ja noch nie drüber nachgedacht... mega interessant! Vielen Dank dafür 👍
Another great video! You would be surprised how often pilots have no idea what Cost Index means.
However one should keep in mind that only VARIABLE expenses should be taken into account for the upper part in the equation. This includes aircraft leasing cost per flight hour, hourly payments for crew, and maintenance which is done according to flight time (all those expenses which reduce with reduced flight time), however landing fees, fixed salary or ground handling is not calculated as airline will have to spend money on in regardless of how fast an aircraft flies :) Measurement units are €/minute.
Also, price of one kilogram of fuel (€/kg) should be entered for the lower part of the equation, which finally gives Cost Index with measurement units of minute/kg. This varies between different aircraft manufacturers, but the main idea is the same as in the video!
Mindaugas Petražolė Which pilots are you referring to? (Having no idea about CI)
I have a little story about costs, management and professionality.. I work in a transport company and we do a lot of AOG transports - pretty much the most urgent and expensive transport besides organs. we had an order from a HUGE german company which I wont name but its.. THE german aviation company. they needed a part transported in an AOG situation to an island in Europe which is pretty hard to reach because of bureaucracy (I am not naming it for anonymity purposes). we spent the whole weekend trying to get our truck a ferry to this island and it was VERY difficult but with help from a major transportation company in Germany and people knowing people we suceeded. I was hyped when the part arrived 3 days after being ordered because it was so difficult. about *2 weeks* later we get a call from the aviation company asking us if the part was ever delivered because they cant find it..... I was shocked somehow and after this and *a lot* of other incidents with AOG transports in Germany (like Cologne -> Hamburg, Frankfurt->Hamburg) where parts got lost in bureaucracy and chaos I somehow think its not all as professional as we think..
Perfectly put! Thanks.
very interesting Joe. I had no idea how these various factors impacted a flight. I.E. the airplane's speeds and levels of flight. Thanks.
@Captain Joe , You have answered a long time question I had. I live 20 miles away for the flight path for Manchester Airport UK and love watching the many planes coming in for landing and take off. I always wondered why some planes took off at a steep angle, yet some on the same day would be on a much more gradual rate of accent. I watched the video twice and get the CI now which has obviously answered my long time question. Cheers Joe.
Thank you Captain Joe.
😘
Fantastically explained video..thank you joe
Thank you so much Captain Joe 🙏✈️🙏
Hi Captain Joe: Just cruising You-Tube when I came across your videos that are fantastic, very educational, look forward to more of your videos, thank you.
Welcome back Joe.Fascinating video.Soo much goes into flying a commercial jet.
it is nice to have you back on youtube, and it was nice to meet you personally in NYC.
Jael Pena Tejada
brilliant video, what is your opinion on overbooking?
My favorite thing about Thursday's!!!
Wow! I had no idea that costs affect the way a pilot flies. Thanks for sharing!
Hi Joe you were going nuts over the statue of liberty LOL
Awesome video. Have been wondering the meaning of cost index but now I get it.
Thank you, Captain Joe for this explanation. Especially for me as an initial fo in this aviation business. Easy to understand.
Yeah! My fav book
More complicated than the engine operation :) Love your videos captain
Economics is quite confusing stuff. Lol... I was watching this, cos fuel prices are so high nowadays. $5.00/gal for gas, and probably kerosene is more expensive. Hopefully pilots save some fuel by flying at a CI near 0, so the expensive fuel can be used by others, and the supply doesn't run out. Also, hopefully regional jets could be replaced by trains, electric planes or something. Everything is so expensive nowadays...
Oh my god. Just when I thought I knew it all Captain Joe makes a video detailing CI. My mind is now blown.
This is fantastic! Great explanation. Your content is unlike anything else. I'm addicted. Vielen Dank.
I don't know anything about planes or piloting but you do a great job at this. Interestesting stuff, captain.
Thank you so much..... you're a blessing to our lives Cap. Joe. Thank you!!!!!! It makes a whole lot more sense now.
Hello captain from Turkey. Thank you for your wonderfull videos. As an aviation ethusiast i look forward your new videos. I have a question. How do captains change their planes that they fly? I mean, for instance from A320 to A330. Is this a promotion or just a choice? How does the process works? And lastly is it possible for a pilot to change the plane to a different brand (for example from Airbus to Boeing)? Sorry for the long question. Thank you again.
Nice to have you back I started to miss you Joe!
Thank you Captain Joe! Glad you are back!
Another aspect of flying I never knew! Thank you!
Thanks a bunch Captain ...... high regards and love from Pakistan
This is the best explanation I've ever come across. Keep up the good work.
You're the best youtuber ever
next holiday should be in Dallas Texas just giving you a suggestion any way welcome back captain joe
THANKS, a new video I love it. I even just requested this thank you so much! I love your content.
Please make a video describing the difference between using the right sidestick and using the left!!!!
Jeez Joe, I need a beer after that one!
great Video by Captain.. Kudos!
I do want to be a pilot just like you are and I have a question. I need to know if it is best for me to graduate from college and afterwards get the airline transport pilot's licence or do the oposite... All the flight schools I have visited so far tell me to do their course first but I understand that they have a business influenced prespective, therefore I would like to know what was your path to becoming a pilot. That would give me a broader prespective, this time from a real pilot.
Thank you for your atention,
José Anastácio
PS: Great video!!! Keep up the outstanding work! ;-)
take your ppl first then do your night rating and twin engine source before taking it to that step
José Anastácio I think that you should start your ATPL or PPL immediately after you've finished high school
If you would go to College/University
You will 'lose' a lot of interest and money because the study will be taking atleast 3/5 years (in Belgium it's at least 3/5 years ).
The ATPL/PPL will cost a lot of money too. I would suggest that you start your flight training first and maybe after that start college.
It really depends on what you want to become...
Eu também quero ser piloto e tenho essa duvida, eu decidi fazer assim: vou tentar passar em uma universidade federal, pois não precisa pagar, e fazer um curso qualquer, só para ter um 3ºgrau, e ao mesmo tempo faço o curso na base aérea para piloto. Eu já falei com piloto reais em linhas aéreas e alguns falaram que fazer o curso de pilotagem profissional de aeronaves(conhecido também como ciências aeronáuticas) não interfere na carreira de piloto e não é necessário. Porém meu amigo(que também quer ser piloto) falou q vale a pena fazer o curso.
Dependerá agora de como é o seu caso, se você tem condições de passar em uma universidade pública, dinheiro para pagar a faculdade, etc.
I'm pretty much in the same situation as you José. I've been thinking to get all my flight training done first. Reason being is so I can train and work a job at the same time so I'll be able to pay off the expenses faster. Then, once I finish all my training and find a career as a pilot, I'll finish college, most likely through online courses. It just makes me sense to me because once I fly as a career, I thought what am I supposed to do on my days off or free time? Curious what others have to say too though
I would caution starting too early. i know this is not what you want to hear as you want to get up there start flying but trust me this and wait till your mid 20s. I started training too early out of teenage excitement and it was total failure and I regret that decision everyday as it cost my dream. here are the lessons i learned so you dont have to repeat the same mistakes. You will have more success if you jump into this in your mid 20s around 24-25 which will make you a very strong pilot candidate. There is lot of maturing that happens in your mid 20s which will immensely help you in this field and airlines look for matured candidates not just someone who hold licenses at 20. Trust me on this. At very least, get a degree before start training. ideally from a college that you dont have to spend lot of $$ as you will need to save for flight training later on. no need to go for a top notch expensive university. airlines only care if you have degree from an accredited university. that's all it matters. You only get that chance once in your life time to go to college while you are still young and mingle with girls and you will regret later if you don't. 18-30 are the golden years of your life that will never come back. dont skip normal life events for the sake of pilot training. I would also caution doing training part time while working or going to college. It will distract you from training. it will look bad if you have repeated training lessons in your logbook when you apply to airlines. It's also pointless to do a ppl and then have it sit around while you finish college. You will lose all that training you gained from PPL before you even start cpl. it will cost $$ alot to regain that training and spending wisely and cheaply is the key to overcome financial difficulties in this field in order to achieve your dream as money is a major obstacle to finish flying training. holding a regular job for a year or two also helps to make you more focused when you finally start a pilot career. When you are finally ready after getting a degree or perhaps doing a regular job for year or two (even better), go all in with both feet, full time, and finish all flying certifications in one stroke in few months and go straight to an aviation career to retain the training. This is how I would do it if I had to do it all over. if you look at most airlines pilots, most of them started their training around 25-35. others who started early get washed out for various reasons.
Wow! I had no idea whatsoever about this (in terms of effecting individual flights). Fascinating and well presented, IMO.
You're such a fun guy!
What is the reason why landing gears are left in down position during takeoff on every first flight of a newly built aircraft?
For safety more than anything. Testing is done on a very incremental and meticulous manner.
How much of being a commercial pilot is flying the airplane and how much is mainly worrying about business concerns and considerations?
super useful video, Joe, you never disappoint, thank you so much!
we all hope you had fun in NYC but we're glad you're back :) we started missing you!
Joe this is amazing! You always post something completely new. I love it! Best channel ever!
Yess your back! Exited for your uploads captain!
Yes! I've been waiting for this! :D Amazing as always, thanks for the vid Joe.
Now, I've been commenting on quite many of your videos recently. This one has barely begun and I already have something to say again! I ordered Sully's book last week after having seen the film based on the book, and got it in the mail this Friday (two days ago). Haven't read it yet though, will do that when I've finished the one I'm reading currently.
Good to listen to you
absolutely fascinating
New information. Thanks!
Can you do a youtube vedio on how do flaps work on an aircraft?,and how the direction of the aircraft is changed in air
Finally! i've been looking forward to this, thanks Joe!
Learn something new every time Joe. Super informative videos, undoubtedly the best.
great video captain waiting for next one..
Such a cool guy!
Perhaps the bean counters need a CI button to override VS on autopilot systems :)
Thanks for the great explanation!
Well explained captain!!
Dear captain Joe,
Could you explain what is the difference between orbit and hold?
Thank you for the explanation
Thank you,very informative as always. Are pilots rewarded via a fuel efficiency bonus, or does this run counter to best/safe flying operation.
You comment about overuling the cost index if you have passengers with connecting flights, so I would assume(obviously), safety number 1, and passenger experience number 2, company profits number 3(hopefully).
Thanks again for sharing your knowledge.
Best pilot review on RUclips excellent keep it up most definitely worth the wait 🛫
Can you make a video explaining the key parameters which are used for Engine Maintenance, parameters like EGTM, LLPs etc.?
Hey captain! Can you please do a Video on ILS and when / how often it is used or reasons not to use it?
Great video! Thanks for the explanation.
Gutes Video und sehr gut erklärt!
This question was asked a lot. Thanks.
Nice vid as always.
Correct me if I am wrong but is in not the other way around? higher you fly the less air friction you have so the faster you can go. mach .8 at 10000 feet you travel at 300knots gs but at 37000 you are doing 450 knots gs. Not proper air speeds but just a example. Also at higher altitude you have less O2 so engines run leaner and thus using less fuel.
With a fixed amount of thrust a higher altitude would be better but of course that would apply all the way up into space. In practice the air-breathing engines become less efficient with less oxygen coming in so there's a "sweet spot" where the reduced efficiency of the engines is optimally counteracted by increased efficiency of less drag.
Well, there's also the problem the higher you go the less thrust the engine provide and also the wings produce less lift. So you have to go fast to be able to stay at a higher altitude in the first place but also the turbines have to work harder to maintain a suficient air speed and the turbines itself start to lose efficiency with altitude.
The so called thrust specific fuel consumption is the lowest at sea level. So the sweet spot isn't at miximum cruising altitude, it's lower if you want to achieve highest fuel effiency. But if you wan't to go fast, it's better to fligh higher, but it will be less fuel efficient.
shi01 that makes sense but he was saying at higher altitude we fly slower. If you fly slower at high altitude then you would loose lift. that's y am am confuzed.
shi01 ya he said higher ci makes you flight higher at a slower speed. and a low ci makes you fly lower but at faster speed. You always go faster at higher altitude. Maybe a other video to help explain this better 😁 maybe I make a fsx video to show what I mean. lol
Oh, i just looked at the video again, your right. Well there's another limiting factor for the speed especially for airliners, the mach number. An A320 is officially certified up to mach 0.82 which basically means you are aloud to fly with 82% of the speed of sound. And the speed of sound is higher at lower altitudes, so you are alloud to travel faster at lower altitudes without exceding the limits. But as it is, you are now below the sweet spot of the aircraft and the increased drag results in an higher fuel consumption.
Thank you fr the video captn.
If you fly slower with a low cost index, that will also add up to the number of hours the engine runs because engines will run for a longer time. Wouldn't that cause the aircraft to go into maintenance earlier? What is given priority, fuel costs or maintenance costs?
Hey Joe, can you please explain in a video what is the difference between "Pan" and "Mayday" call and what are the factors to consider before declaring "Pan" or "Mayday"? Cheers!
I live in New York and heared the captain talk to the copilot about index on my last flight
Love your videoes Joe! :)
Fascinating! I assumed airlines always flew the most economical profiles to maximise profit. Thanks joe 👍
everyday is a school day. great video, keep them coming !
Captain Joe, please make a video on differences between Boeing and Airbus aircraft
A7x Baltic aviation (i think) has
you need more than 1 hour to talk about this subject
Boeing is better than Airbus. Because 'Murica. There you go.
boeing have yokes, airbus have sidesticks, airbus have more pushy buttons and boeing have more switchy buttons.
Ioan Cadar nope, airbus becuase europe lmao
A video on Aircraft trimming please !
Thx Joe!! Much appreciated for answering my question!
thank you captain...
bless you captain Joe for another exclusive and educative video 👍
So, inputting cost index comes before fuel calculations, and fuel calculations are mainly done at/with the FMS, as opposed to pencil, paper and calculator?
Great video Joe!
Thanks Captain Joe!!! You make me wish I would have been a pilot!
Hope you enjoy your trip :) I was in Barcelona for vacation too :) . Great to sea you again Captain! :)
As usual Captain Joe, very informative!
Hello Captain, can you make a video on these recent stories about air turbulence becoming worst due to global warming. And has it been true in your experience? Keep up the good vids!
Thank you once again sir