EASA NAV(A)basic
Arrange the steps for estimating the north–south distance between two latitudes in nautical miles.
Answer
Determine the difference in latitude between the two locations, Convert any minutes of latitude to decimal degrees if necessary, Multiply the total latitude difference in degrees by 60 nautical miles, State the resulting estimated north–south distance
Explanation
First determine the angular separation between the two latitudes, converting minutes to fractions of a degree where needed. Multiply the difference in degrees by approximately 60 NM per degree. This is a practical navigation approximation. **Key takeaway:** One minute of latitude is approximately one nautical mile.\n\n**Glossary:** **NM**: nautical mile; **latitude minute**: one-sixtieth of a degree of latitude.
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