Chart Navigation & Plotting · Set & Drift — Speed of Advance
You must make good 96 NM along the track in 8 hours. The required speed of advance is:
- A16 knots
- B8 knots
- C10 knots
- D12 knots✓ Correct
Explanation
SOA = distance to be made good ÷ time = 96 ÷ 8 = 12 knots.
Authority: Bowditch (Pub. No. 9), Speed of Advance
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