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Vatsim prefile altitude

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Andrew P
No Avatar
Captain
Posts: 2
#1 Posted 07-06-2026 12:27:04
I've noticed recently that after generating a simbrief flightplan via this site, and then also clicking Vatsim prefile, it's pre-populating the altitude field on the form with an extra zero - there's been a few times now where I've not caught it and had to re-file, or get a controller to change it.

Anyone else had the same? Capable as the A320 is, I'm not sure climbing to 270,000ft is possible wink
Mark Grant
Administrator
Pilot Avatar
Training Captain
Posts: 252
#2 Posted 07-06-2026 12:49:04
AndrewI've noticed recently that after generating a simbrief flightplan via this site, and then also clicking Vatsim prefile, it's pre-populating the altitude field on the form with an extra zero - there's been a few times now where I've not caught it and had to re-file, or get a controller to change it.

Anyone else had the same? Capable as the A320 is, I'm not sure climbing to 270,000ft is possible wink

Nice catch,
I’ve found the exact failure point. The current raw FPL builds the cruise block as -N0444F<?php echo initial_altitude; ?>, so if SimBrief supplies 2700 or 27000 instead of 270, VATSIM receives an invalid flight level and expands it into the wrong altitude.

System updated this should now be resolved, please let me know how you get on.

Thanks for flagging this up.


Mark.


Many Thanks,

Mark.

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