Originally Posted by
maui
Mustangsally.
My reading of limitations is that Turb Penetration Speed is for severe turb. Check the definition of severe. In my book it requires things to be lifting of the floor. Too often seen speed reduced unnecessarily, reducing the low speed margin to uncomfortable levels.
maui
Test pilot at one of the two largest airliner manufacturers - "we laugh at you airline guys who slow down for every bump. It's for turbulence penetration and not the stuff you experience every day."