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post #13 of Old 02-27-2010 Thread Starter
Boasun
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One other:
the scale of a chart is 1:80,000. What distance at sea does a distance of 3.5 inches on the chart represent? What distance on the chart represents an actual distance of 14.3 NM?






Remember that a NM is 6076.11549 ft thought we use 6000 ft for practical purposes.

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Last edited by Boasun; 02-27-2010 at 12:47 PM.
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