Hello!
I don’t have a plane to reasonably test it with, nor familiar enough with the jets in game to do so with reproducible data. In Ferram Aerospace/KSP, I know that flying almost mach 2-3 at sea level and turning over 3 G means imminent death, while doing it at 20 km altitude lets you correct course with relative safety
This is mostly just a personal curiosity. I imagine it does since the stat card says max speed is dependent on IAS, and IAS varies with altitude but I want to make sure before I say sth dumb about usefulness of barometric altitude readouts.