Chart Navigation & Plotting · Speed-Time-Distance — Six-Minute Rule
By the six-minute rule, how far does a vessel travel in 6 minutes at 14 knots?
- A2.8 NM
- B0.14 NM
- C1.4 NM✓ Correct
- D84 NM
Explanation
Six-minute rule: distance in 6 minutes = speed ÷ 10. At 14 knots that is 1.4 NM.
Authority: Bowditch (Pub. No. 9), Speed-Time-Distance
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