Principles of flight

Mcrit is the free stream Mach Number at which:

Shockstall occurs.
The critical angle of attack is rea...
Somewhere about the airframe Mach 1...

After take-off the slats (when installed) are always retracted later than t...

Because VMCA with SLATS EXTENDED is...
Because FLAPS EXTENDED gives a larg...
Because SLATS EXTENDED gives a larg...