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Old July 2nd, 2009, 01:45   #17
sdfcvoh
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Join Date: Apr 2007
Location: Tucson
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Default Re: ATIS Winds - True or Magnetic?

Quote:
Originally Posted by 7700 View Post
Here's a good way to remember True vs Mag Winds:

Anything you read (METAR's, TAF's, FD's, Wx Charts) is True

Anything your hear (ATIS, ASOS) is Magnetic
To put this into further perspective, what are you doing when you READ numbers?... You are flight planning....

Flight planning begins with TRUE courses and headings, and that is the reason printed material is true and not magnetic. Just in case you were wondering...
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