Motion sim variables incorrect

I found an issue with the simconnect reporting of vertical acceleration. i am building a motion platform, and the numbers reported change significantly when taking off and landing, causing a big jolt to the heave motion. I am using the software FlyPT Mover. When sitting on the ground, vertical acc is fine. In the air, it seems that the 9.8m/s is being subtracted when it shouldnt. See this reference image; i compared to the asobo 152, which moves properly.

Thank you for this, super interesting lead :+1:

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I should mention you dont really need a physical motion sim to run the software for it if you’d like to test;
You can download FlyPT Mover and create a MSFS source.