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Fuel calculations

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"Just create your own using excel and put in the required numbers for the calculations as listed in Tutorial 2"just built my own excel sheet (basic) that includes everything from the tuto 2 + weight limits for all 737 variants/models"The standard 737 Fuel calculator available in the download section of PMDG website is really accurate" the corresponding link is still broken

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I don't see you going around twice, staying in the hold for 45 minutes, diverting AND still have 30 minutes of fuel left with just 3000 pounds.
I think FAR Domestic doesn't require a planned alternate if weather at destination is good enough. Required holding time may be less too. I could be wrong about those statements though.
I landed at Sydney with 5.0 left in the tank, still came up using reserve fuel for ages. Calculated right down to the dot lol
The 'Using reserve fuel' message depends on the number that you enter as reserve in the FMC flight plan (the PERF INIT page I think, but I could have the name wrong, the one where you enter your ZFW and GW anyway). Anytime the EFOB at destination is less than that number the message will be displayed.

John-Alan Pascoe

"Just create your own using excel and put in the required numbers for the calculations as listed in Tutorial 2"just built my own excel sheet (basic) that includes everything from the tuto 2 + weight limits for all 737 variants/models"The standard 737 Fuel calculator available in the download section of PMDG website is really accurate" the corresponding link is still broken
If you change the extension ".EXE" to ".exe" it works:https://s3.amazonaws.com/PMDG_Downloads/file_library/misc/FuelPlanner737NG.exe

Diego D

I don't see you going around twice, staying in the hold for 45 minutes, diverting AND still have 30 minutes of fuel left with just 3000 pounds.
What I wanted to ask...If your reserves are 3.000, is it right to arrive at your primary destination with less than 4.000 pounds of fuel, or you should always have more than 4.000 to avoid the "low fuel" warning?thanks

Diego D

If you change the extension ".EXE" to ".exe" it works:https://s3.amazonaws...lanner737NG.exe
I tried the above link which appears to be broken. I cannot find the download on the PMDG site. Am I looking in the wrong place?Thanks

Phill Dant

 

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Below are the calculations from Jeppesen's JetPlanner program, I have not downloaded the patch or tutorial yet so I really don't have a frame of reference:PLAN 0025 EHAM TO LOWI 738W LRC/F IFR 03/07/12NONSTOP COMPUTED 1533Z FOR ETD 2100Z PROGS 0700ADF 7378PD LBSFUEL TIME DIST ARRIVE TAKEOFF LAND AV PLD OPNLWTPOA LOWI 005637 01/10 0428 2210Z 119464 113827 025000 082000ALT EDDM 001184 00/16 0068 2226ZHLD 002103 00/30RES 000240 00/04XTR 003200 00/46TXI 000600TOT 012964 02/45EHAM LUNI1S EDUPO UZ738 RIDSU UL607 ELMEM ELME1A LOWIWIND P017 MXSH 2/RIDSUFL 270

Phill Dant

 

Banner_FS2Crew_NGX_Driver.jpg

https://s3.amazonaws.com/PMDG_Downloads/file_library/misc/FuelPlanner737NG.EXE
I tried the above link which appears to be broken. I cannot find the download on the PMDG site. Am I looking in the wrong place?Thanks
Phill, the links is broken indeed. I suggest you send a ticket to PMDG so they can restore it. If for any reason you don't succeed, just pm me, and i'll try to send it to you.

            Boeing777_Banner_Pilot.jpg

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Try copying the link and pasting it in the address bar of your browser, that worked for me.

Name available upon request


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Link worked for me..Cool app..NGcalc is also very good if you have an iPad/iPhone..excel spreadsheets make my eyes bleed

JAKE EYRE
It's a small step from the sublime to the ridiculous...Napoleon Bonaparte
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Link worked for me..Cool app..NGcalc is also very good if you have an iPad/iPhone..excel spreadsheets make my eyes bleed
I was able to get it to work through firefox, since I am on a work laptop it may have been something here.Thanks

Phill Dant

 

Banner_FS2Crew_NGX_Driver.jpg

  • Commercial Member

I think there's some confusion here over what the reserves amount you enter into the FMC really is - sorry if I didn't make this clear enough in the tutorial:Reserves is not the value you're planning to land with and it's not the minimum amount you can have in your tanks. It's a variable amount of fuel depending on the specific flight in question that represents the point at which you are legally forced to divert to your alternate. If for any reason during a flight you reach your reserves value, you MUST divert because if you continued on to your original destination **you no longer have the fuel to make it to your alternate** while complying with the legal limits. If you got to LOWI and did two go-arounds or something like that and then got the USING RSV FUEL message, you HAVE to divert to EDDM even if you think you still have enough fuel to try again at LOWI. If you fail on the third attempt you now can't make it to Munich (legally at least) and you're going to be in a ton of hot water with your airline and the government regulators.

Ryan Maziarz
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For fastest support, please submit a ticket at http://support.precisionmanuals.com

Below are the calculations from Jeppesen's JetPlanner program, I have not downloaded the patch or tutorial yet so I really don't have a frame of reference:PLAN 0025 EHAM TO LOWI 738W LRC/F IFR 03/07/12NONSTOP COMPUTED 1533Z FOR ETD 2100Z PROGS 0700ADF 7378PD LBSFUEL TIME DIST ARRIVE TAKEOFF LAND AV PLD OPNLWTPOA LOWI 005637 01/10 0428 2210Z 119464 113827 025000 082000ALT EDDM 001184 00/16 0068 2226ZHLD 002103 00/30RES 000240 00/04XTR 003200 00/46TXI 000600TOT 012964 02/45EHAM LUNI1S EDUPO UZ738 RIDSU UL607 ELMEM ELME1A LOWIWIND P017 MXSH 2/RIDSUFL 270
Interesting. I use FSBuild, and this is what it gives me:EHAM LOPI1S LOPIK UN852 LUTOM N852 LNO UN852 PELIX UZ210 KRH UM150 LAMGO UZ210 TGO UL607 BEMKI ADILO LOWIDIST 0419Mach 78FL370AVG WIND -40 kts (headwind)(fuel type) (amount) (time)TAXI 000375 0015DEST LOWI 007754 0109RESV 003741 0045ALTN 001309 0015HOLD 000000 0000EXTRA 000000 0000TTL AT TO 011495 0154REQD 011870 0209It looks like your total fuel is 12964 vs mine which is 11870. A difference of 1094 lbs. Not much really.My reserves are usually 3.7, which I put into the PERF page, and I always end up about 2-3,000 lbs above my reserve mark.Everything is accounted for except 2 missed approaches but the extra fuel I have besides the 45 min hold and the alternate is enough for those 2 missed.

AJ Pongress

Boeing777_Banner_BetaTeam.jpg

I think there's some confusion here over what the reserves amount you enter into the FMC really is - sorry if I didn't make this clear enough in the tutorial:Reserves is not the value you're planning to land with and it's not the minimum amount you can have in your tanks. It's a variable amount of fuel depending on the specific flight in question that represents the point at which you are legally forced to divert to your alternate. If for any reason during a flight you reach your reserves value, you MUST divert because if you continued on to your original destination **you no longer have the fuel to make it to your alternate** while complying with the legal limits. If you got to LOWI and did two go-arounds or something like that and then got the USING RSV FUEL message, you HAVE to divert to EDDM even if you think you still have enough fuel to try again at LOWI. If you fail on the third attempt you now can't make it to Munich (legally at least) and you're going to be in a ton of hot water with your airline and the government regulators.
Thanks. I get it now!Only one more question.Do you always calculate reserve fuel using the alternate diversion route from your destination to your alternate?What happens if before reaching you primary, somehow you reach your reserves value and alternate airport is farther than primary? what should you do? Declare an emergency and land at the nearest suitable airport?

Diego D

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