Va speed VS. altitude and temperature

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18th May 2002, 23:51

#1 (permalink)

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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

19th May 2002, 15:55

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Va is an IAS therefore not influenced.

19th May 2002, 17:37

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Empty Cruise

ECON cruise, LR cruise...

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EAS, I believe...

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

Brgds,
Empty

19th May 2002, 18:11

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Bally Heck

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

3rd Jun 2002, 08:09

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Hey gus:
thanks for the helps!

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