EASA NAV(A)basic
80. What is the 1:60 rule?
Answer
1 NM offset at 1° drift after 60 NM
Explanation
A 1° track error produces approximately 1 NM lateral displacement after 60 NM. **Key takeaway:** $1°$ error over 60 NM ≈ 1 NM off track. **Glossary:** Drift: angular difference between heading and track.
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