PPRuNe Forums - View Single Post - Airfields with a compass Rose in south east
Old 2nd Oct 2011, 19:16
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Jim59
 
Join Date: Jun 2008
Location: Luton
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Don't swing an aircraft compass over a hard surface unless it is approved for the purpose. Concrete usually has iron bars in it that make results meaningless. Tarmac is often over a concrete base.
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