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Author Topic: [-] Financial overview, weekly estimate figures are off  (Read 409 times)

Offline Boot

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[-] Financial overview, weekly estimate figures are off
« on: July 08, 2012, 01:13:16 PM »
http://www.airwaysim.com/forum/index.php/topic,41513.msg224319.html
This bug report reminded of my own quite old observation that might be a bug.

Let's take 2 of my almost identical planes (only thing that is different is seating arrangement, both are A330-300 with CF6-80E1 engines and standard MTOW):
All the data is from AC information page
1. N333AA, Y: 207, C: 70, F: 8
Fuel cost    -754 702 USD
Route fees (1)    -271 410 USD
B3405 / B3406, KJFK - LFPG    79.0 % (LF)
B3407 / B3408, KJFK - LFPG    65.8 %
Total routes: 2   -   Aircraft utilization: 16.3h/day    77.3 %

2. N333AB, Y: 288, C: 35, F: 4
Fuel cost    -539 219 USD
Route fees (1)    -221 033 USD
B3809 / B3810, KJFK - KSFO    85.7 %
B3811 / B3812, KJFK - LFML    92.0 %
B3813 / B3814, KJFK - LFLL    85.0 %
B3815 / B3816, KJFK - LFMN    82.0 %
B3819 / B3820, KJFK - LTAI    63.0 %
B3821 / B3822, KJFK - SBRF    91.4 %
B31047 / B31048, KJFK - SPIM    68.8 %
B31049 / B31050, KJFK - KFLL    95.9 %
Total routes: 8   -   Aircraft utilization: 18.1h/day    81.2 %

So - to sum it up: N333AB is flying more hours per day (18.1 vs 16.3), it has more seats and it's LF is higher (= is heavier) but still system estimates that N333AA has higher fuel costs and route fees... Neither of the planes had B, C or D check during current or previous week.
I have 6 other A333-s doing the same 7-day schedule as N333AB and all of them are showing lower fuel and route costs than N333AA.
« Last Edit: July 10, 2012, 02:34:20 PM by sami »


Offline Boot

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Re: [-] Financial overview, weekly estimate figures are off
« Reply #2 on: July 10, 2012, 02:48:19 PM »
why do you mean by that link?

Online Sami

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Re: [-] Financial overview, weekly estimate figures are off
« Reply #3 on: July 10, 2012, 09:41:51 PM »
"overlapping" issue .. Keeping it in one topic.


(also btw .. the estimates are based on the previous flight day, so that's why they are off. Looking to improve, since when it was designed the 7 day technique was not even "known" by me)

Offline Boot

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Re: [-] Financial overview, weekly estimate figures are off
« Reply #4 on: July 10, 2012, 10:55:35 PM »
The other one is about Test World, mine is about MT6, I do not know if they are related...

And if they are based on previous day then some of 7-day scheduled planes should report higher number than less-flying 1-day scheduled plane. But they were all showing smaller costs.

 

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