Chart Navigation & Plotting · Position
One minute of latitude on any chart is equal to:
- AOne nautical mile✓ Correct
- BOne statute mile
- COne kilometer
- DOne degree of longitude
Explanation
By definition, one minute of arc of latitude equals one nautical mile (about 1,852 m). This is why distance is always read from the latitude scale, never the longitude scale.
Authority: Bowditch, American Practical Navigator (Pub. 9)
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