EASA NAV(A)basic
13. What is the great-circle distance along the equator for 1° of longitude?
Answer
60 NM
Explanation
The equator is a great circle and is divided into 360°, giving about 60 NM per degree. **Key takeaway:** Equatorial longitude degrees are approximately 60 NM apart. **Glossary:** Longitude: angular position east or west of Greenwich.
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