Chart Navigation & Plotting · Speed-Time-Distance — Distance Made Good with Current
Steering at 9 knots through the water with a 2-knot following current, your speed over the ground is:
- A7 knots
- B11 knots✓ Correct
- C9 knots
- D18 knots
Explanation
A following current adds to speed through the water: 9 + 2 = 11 knots over the ground.
Authority: Bowditch (Pub. No. 9), Current Sailing
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