USCG Exam PracticePlot true course and distance between two charted points
A navigator measures a course line on a chart using dividers and obtains a span of 37 minutes of latitude. What is the distance represented by that measurement?
- A. 37 statute miles
- ✓ 37 nautical milesCorrect
- C. 37 kilometers
- D. 37 fathoms
Why B is correct
One minute of latitude equals one nautical mile. A span of 37 minutes of latitude measured on the latitude scale at the working latitude equals 37 nautical miles. The longitude scale must not be used for this measurement.