A sailing vessel with the wind on her port side observes another sailing vessel to windward but cannot determine with certainty whether that vessel has the wind on her port or starboard side. What action is required?

Question

Accepted Answer

B. She shall keep out of the way of the other vessel — 33 CFR §83.12(a)(iii) requires that a vessel with the wind on the port side that sees a vessel to windward and cannot determine with certainty whether the other vessel has the wind on the port or starboard side shall keep out of the way of the other vessel.

Answer

A. She shall maintain course and speed as the stand-on vessel

Answer

C. She shall sound one short blast and alter course to starboard

Answer

D. She shall wait until the other vessel's tack can be determined before taking action

A sailing vessel with the wind on her port side observes another sailing vessel to windward but cannot determine with certainty whether that vessel has the wind on her port or starboard side. What action is required?

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