PPRuNe Forums - Va speed VS. altitude and temperature

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hu	18th May 2002 23:51

Va speed VS. altitude and temperature

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

+TS	19th May 2002 15:55

Va is an IAS therefore not influenced.

Empty Cruise

19th May 2002 17:37

EAS, I believe... :p

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

Brgds,
Empty

Bally Heck

19th May 2002 18:11

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

hu	3rd Jun 2002 08:09

Hey gus:
thanks for the helps!

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