Originally Posted by
rickair7777
Post-pinnacle, SKW and most other US operators limited the 700/900 to FL390 to provide a buffer for poorly trained regional pilots.
Mesaba doesn't limit the 900s. I have been at 41 a few times in it. It does just fine if you respect the weights, temps, speed, and turbulence. These aren't Learjets. You can't take off at max weight and climb right on up in any Challenger/CRJ.