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Simulation Software => Falcon BMS => Topic started by: fox_hunter73 on November 12, 2025, 10:59:13 AM

Title: Altimeter & QNH on BMS
Post by: fox_hunter73 on November 12, 2025, 10:59:13 AM

Hello to All, i've build my 3D altimeter but i've many prb to set the right altitude because there aren't the value in Shared Memory.
I've find "Z word", "QNH", "CABIN ALTITUDE" and i'm working on them value but without success.
The Z word is a coordinate , i suppose on yhe level sea , is right?
And qnh is the compensation, but it's refer to the airport level....
but i haven't find the right formula to correlate them and have the same altitude on the instrument,
can someone help me?

Title: Re: Altimeter & QNH on BMS
Post by: mihi4 on November 12, 2025, 11:10:30 AM

flightData2->AAUZ * -1 is the height in feet

flightData2->AltCalReading is the settings for the QNH

Title: Re: Altimeter & QNH on BMS
Post by: fox_hunter73 on November 12, 2025, 12:23:17 PM

THHHAAANKKS so MUCH !!!!!  :yihaw: