Va speed VS. altitude and temperature

[hu]

Hi:
Is there anyone can explain to me the relationship between Va(maneuver speed) and altitude,temperature!
Many thanks

[+TS]

Va is an IAS therefore not influenced.

[Empty Cruise]

EAS, I believe... :p

However, not that there would be any difference operationally, so WGAF...

Brgds,
Empty

[Bally Heck]

I think at higher altitudes Va becomes Ma (ie a Mach No) as compressibility and Mach buffet become issues.

[hu]

Hey gus:
thanks for the helps!