General Navigation USCG Question #220 (Set 7)

A special daymark is a __________.

Official USCG Answer & Rule Citation

Correct Answer: Option C — yellow diamond

Special purpose daymarks are yellow diamonds used to indicate areas of restricted operation, anchorage, or other non-lateral information. These markers are distinct from standard lateral daymarks and are described in the USCG Aids to Navigation system as providing specific regulatory or informational guidance to mariners.

100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.