747-8 Help

I’m doing JFK to ICH and I put 18 hours worth of fuel and when i’m in the air it says 10 hours and 50 minutes remaining

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What is your altitude? Also, and this may sound stupid, but that thing can run on 2 engines which would save long term fuel for your flight.

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32,500 feet

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Try climbing to FL350 and maybe slow down to M .78 for a while. Whats ur current Mach and what are the winds?

M.85 and the winds are 71 kts 248 M

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Ok maybe mach .80 or .82 is good for now. Also to get to the destination faster try cutting the route to make it shorter by deleting fixes or whatnot. Hope this helps and if ya need more tips im here 👌👌

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Thank you so much !

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Glad I could help :D

I believe the 747 fuel burn physics is way off esp for long haul flights but for some weird reason using flaps in cruise fix the issue…

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Flaps 10 if I remember correctly.

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This guide can help you with those legacy fuel monsters.

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