To measure distance on a Mercator chart between the parallels of LAT 34°30'N and LAT 31°30'N, which 30 mile scale should be used?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 32°45'N to 33°15'N
Under USCG National Maritime Center examination standards, the accepted correct answer is: 32°45'N to 33°15'N.
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