CJ4 pressurization accuracy

Cab altitude of 11,000 at FL450 in a CJ4 is possible? Also PSI difference cannot be seen

Related to this?

No, its not the same. As is explained in that post, that cabin altitude warning could be true. What I mean is that a cabin altitude of 11,000 seems too high for a comfortable flight. I’ve read that the maximum cabin altitude supported by this aircraft is around 8,000 ft, with a PSI difference from the exterior of 8.6. PSI Diff is not indicated in the MFD, but I believe that 11,000 ft for the cabin altitude is too much.

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