Deck General (Supplementary) USCG Q#226 (Set 4)

BOTH INTERNATIONAL & INLAND A vessel at anchor will show a __________.

Official USCG Answer & Rule Citation

Correct Answer: Option B — ball

Rule 30(a) establishes that a vessel at anchor must exhibit a black ball in the forward part during daylight. This standardized day-shape provides clear, unambiguous visual identification of an anchored vessel's immobile status to all approaching traffic.

All Deck General (Supplementary) Sets Practice Set 4