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MCDU incorrect fuel predictions at ALTN

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Hi,

Please correct me if I'm wrong but I believe that the Ini A350 is inaccurate in calculating the remaining fuel at ALTN on the FUEL & LOAD page.

Using the attached screenshot from the Just Pilots Youtube channel showing the real thing, we can see that :

  • Remaining fuel at destination (MMUN) is 14.8T.

  • MIN FUEL AT DEST (FINAL + ALTN) : 2.6 + 3.2 = 5.8T

  • Therefore : 14.8-5.8 = 9.0T of EXTRA.

Now let's imagine they shoot the approach, go around and decide to divert. They would arrive at ALTN (MMMD) with 14.8-3.2 = 11.6 which is FINAL (2.6T) + EXTRA (9.0T) and this is what we see on the screenshot. However, in my experience the Inibuilds A350 shows consistently less than that.

Apologies if it's not very clear, I promise I did my best 😆

screenshot.jpg

Edited by Sam7x

  • Author

Screenshot from the sim. Fuel at KOMA should show 6.6T instead of 6.2T

screenshot2.jpg

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