SkyVector.com was founded in 2005 by a web developer who was learning to fly.
Since then it has grown in popularity to become the number one internet destination for aeronautical charts. 
SkyVector is not an official source of flight information and should not be used for navigation. 
Feedback welcome at skyvector@gmail.com
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 Copyright  2013 SkyVector
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Source http://skyvector.com/
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SkyVector.com    2005 -,   .
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SkyVector           .
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: http://skyvector.com/
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IFR Enroute Low Altitude Legend
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<img src="legend_low.jpg">