Chris;
VLS in the cruise is probably(*) defined as 1.3 g to buffet onset, which is M 0.675 (226 kCAS) for AF447.
According to Tim Vasquez' analysis, the tropopause level was 15295 m. What is the importance?
Regards,
HN39
PS:: (*)Buffet onset varies with C.G., while the stall speed (Vs1g, V-alphamax) per regulatory definition is at forward C.G. (17%). I don't know what convention Airbus uses for VLS in the cruise with respect to C.G. My values are for C.G.=37%.
Last edited by HazelNuts39; 27th Mar 2011 at 11:08.
Reason: PS