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Old 09-27-2018, 10:37 AM
  #2  
JohnBurke
Disinterested Third Party
 
Joined APC: Jun 2012
Posts: 6,026
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How about a plain old paper chart?

If I know I can travel six inches on the map in an hour, then the airport three inches from my course line is a half hour away.

The batteries never quit.
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