EASA NAV(A)basic
44. On a direct Mercator chart, how are rhumb lines and great circles depicted?
Answer
Rhumb straight; great circle curved
Explanation
Mercator charts show rhumb lines as straight lines; great circles are generally curved except in special cases. **Key takeaway:** Do not assume a straight Mercator line is the shortest route. **Glossary:** Rhumb line: constant-bearing line.
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