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Posted

So, I downloaded the Inibuilds A350 profiles for Sim-brief, I plane my flight on there and the import it into the sim.

When it gets to the fuel page, ZFW, Fuel etc.. is all correct as per sim brief, but I always get a DEST EFOB error showing the Fuel upon arrival is always below the minimum required.

I then have to increase the fuel, in most cases by an extra 10,000kg+ some times even more just to get it within limits.

Is this a know issues ? just seems crazy im taking just shy of 85,000kg for a LHR-JFK route when Sim brief only plans 60,000-65,000kg max.

Thanks,

Perry 

Posted (edited)

I noticed the same on my flight today. And then I figured that I didn't enter the step climbs in the FPLN, which once done gave me a correct fuel figure without being in the negative.
This of course makes sense as the Simbrief OFP is calculated taking into account the step climbs and the winds at the different cruise altitudes, so if you programm your MCDU with the first cruise FL only, it will think that you will fly the whole flight at FL320 for example, and thus have a bigger fuel burn.

Edited by isardse
Posted

I run into this with step climbs inserted at times, and also for shorter flights mostly.  You can always just adjust it in the FMS FUEL PRED page.  But it is indeed a bit annoying to deal with.  

Posted

Same problem here, but on really short flights <1 hour so no step climbs.

I fly this route for training purpose every day the last days and 2 out of 4 flights the warning comes up while I always plan with Simbrief.

 

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