EASA NAV(A)intermediate
The distance represented by one degree of longitude is approximately 60 NM at every latitude.
Answer
false
Explanation
One degree of longitude is about 60 NM only at the equator. Since meridians converge toward the poles, the distance decreases with latitude and is approximately $60\cos(\phi)$ NM per degree. **Key takeaway:** Longitude distance depends on latitude.\n\n**Glossary:** **Convergence**: the gradual meeting of meridians toward the poles.
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