Re: Stalls

From: (Kyle D. Jackson)
Organization: The National Capital FreeNet
Date:         22 Apr 94 20:29:50 
References:   1 2
Followups:    1 2 3 4
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In a previous article, (Terrell D. Drinkard) says:

>devices (a la the MD-11 that had to land at Shemya).  The airplane can also
>stall because it is moving so fast that the shockwave along the upper
>surface of the wing becomes so strong that the flow separates behind it.
>This is a Mach buffet.  Contributing factors are weight (which falls out as
>an angle of attack) and ambient air conditions.

I had the understanding that the commercial transport aircraft were designed
with supercritical airfoils to completely avoid the chance of a sonic shock
forming on the upper wing surface...