Question 717Rules of the Road90% to pass
BOTH INTERNATIONAL & INLAND A vessel at anchor will show which shape?
AI Explanation
The correct answer is C) ball.
According to the International Regulations for Preventing Collisions at Sea (COLREGS) and the Inland Navigation Rules, a vessel at anchor must display a single black ball shape during the day. This is specified in Rule 30 of both the international and inland navigation rules. The ball shape indicates to other vessels in the area that the anchored vessel is not underway and is securely moored.
The other answer choices are incorrect because a cylinder, cone, or double cone shape would not be the proper day shape for an anchored vessel under the navigation rules.
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