Okay, I think I understand now what you are saying. I am not a pilot btw.
But isn't ground speed and IAS and TAS at sea level pretty close to being the same for this purpose?
Edit:except for the wind vector component I guess??
Edit2: okay i think I get it after wiki. moving air mass...whatever blah, blah. no need to worry about wind in test then.
Last edited by MadBlaster; 11-03-2011 at 02:01 AM.
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