EASA NAV(A)intermediate
The 1:60 rule means that 1° of drift produces about ____ NM of lateral error after 60 NM.
Answer
1
Explanation
The 1:60 rule is a small-angle approximation: after 60 NM, each degree of track error produces approximately 1 NM of lateral displacement. It can also be rearranged to estimate the correction angle needed to regain track. **Key takeaway:** One degree per 60 NM gives roughly one NM of error.\n\n**Glossary:** **Drift**: angular difference between heading and track due to wind.
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