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Cost Of Fuel Per Passenger?  
User currently offlineGoinv From United Kingdom, joined Jan 2005, 264 posts, RR: 2
Posted (9 years 5 months 2 weeks 6 days 18 hours ago) and read 3456 times:

Hi,

Obviously an aircraft carries fuel according to it's weight and other factors such as weather etc.

Lets say the Captain of aircraft x has 150 passengers on board and takes 1000 gallons of fuel for the flight. How much extra would be needed if an extra passenger arrived late and made the total number of passengers 151?

The reason I ask is two-fold-
1) is it really economically viable for operators (like Ryanair) to charge £0.99 for a flight? Does the extra cost of fuel outweigh the charge for the journey?

2) On TV shows like Airline (in the UK) late passengers are denied boarding - the reason being that the fueld figures have already been calculated. Would it really make that much difference for (lets say) 170lb?

Thanks in advance

goinv


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3 replies: All unread, jump to last
 
User currently offlineFredT From United Kingdom, joined Feb 2002, 2185 posts, RR: 26
Reply 1, posted (9 years 5 months 2 weeks 6 days 17 hours ago) and read 3433 times:

Here you will find the data needed to get an idea for a turboprop.

Cheers,
Fred



I thought I was doing good trying to avoid those airport hotels... and look at me now.
User currently offlinePatroni From Luxembourg, joined Aug 1999, 1403 posts, RR: 14
Reply 2, posted (9 years 5 months 2 weeks 5 days 7 hours ago) and read 3300 times:

The extra fuel per additional weight unit depends of course on many factors such as sector length, wind, temperature, altitude, aircraft weight etc.

I don't have a flight plan handy right now, but think I remember that for a 747-400 from Europe to HKG it is around 250-300kg extra fuel per tonne additional payload.

Cheers,
Tom


User currently offlinePihero From France, joined Jan 2005, 4445 posts, RR: 76
Reply 3, posted (9 years 5 months 2 weeks 4 days 14 hours ago) and read 3261 times:
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Goinv,

Patroni gave an answer to your first question, to which I agree but it is just a ball park figure.

As to :"is it really economically viable for operators (like Ryanair) to charge £0.99 for a flight? Does the extra cost of fuel outweigh the charge for the journey?,
you'd need a book on airline economics .The following is a very simplistic explanation:

Let's say,for this demonstration that the cost for operating a 1 hr sector is 4,500 dollars for our hypothetical 150-seat aircraft.

You would break even if you sold all these seats for 30 $ each, so if you're sure of your market research,you 'd sell them at 31 $, making a hefty margin of 3.3% and you're going to be a very rich man.

Now,suppose that this sector will serve two more affluent cities,the population needs air travel,you've cornered the market and you're quite sure you will have on average 100 passengers ready to pay a bit more than 45 $ (the break-even tariff for 100 pax), let's say 48$. Bingo ! You have doubled your profit, you'll be rich twice quicker ...and...surprise :you still have 50 seats left that you could sell at the price you want ,even 1$ and thus increase your profit...the beauty of it is everybody will travel for one dollar and you won't lack of takers!

Now,supposing you've hired a very sharp VP finance who has the latest software and a genius as Advertising manager,you could sell some of these left-over seats for 30 $,some for 20... ad libitum...

That is in effect a very simplistic way of describing yield management.

Now for an aggressive lo-cost CEO, he would pass an agreement with the regional airport management by which they will pay him a fee for each traveller disembarking at their gate (drinks, meals, newspapers, sweets, parking revenues ...etc...etc...).

Last precision : the fuel extra cost on our example would be around 2 to 3 kg per extra passenger.

Worth it, ain't it ?

Regards



Contrail designer
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