Rules of the Road · Day Shapes — Anchored
A vessel at anchor displays in daytime:
- AOne black ball in the fore part✓ Correct
- BTwo black balls
- CA black diamond
- DA black cone
Explanation
An anchored vessel shows one black ball forward by day. At night she shows an all-round white light forward and, if 50 m or more in length, a second lower all-round white aft.
Authority: COLREGS/Navigation Rules, Rule 30(a)
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