Question 493 Rules of the Road

90% to pass

BOTH INTERNATIONAL & INLAND While underway in fog you hear the rapid ringing of a bell. What does this signal indicate?

A A vessel drifting
B A vessel backing down
C A sailboat underway
D A vessel at anchor
AI Explanation

The correct answer is D) A vessel at anchor. According to the International Regulations for Preventing Collisions at Sea (COLREGS), a vessel at anchor is required to ring its bell rapidly for about 5 seconds at intervals of not more than 1 minute. This signal indicates that the vessel is at anchor and not underway. The rapid ringing of a bell does not apply to a vessel drifting, backing down, or a sailboat underway, which is why the other options are incorrect.

Related Questions
Q252:BOTH INTERNATIONAL & INLAND In a crossing situation, the vessel which has the ot... Q861:BOTH INTERNATIONAL & INLAND At night, which lights shall a vessel exhibit to ind... Q234:BOTH INTERNATIONAL & INLAND What describes a head-on situation? Q560:BOTH INTERNATIONAL & INLAND Which vessel is indicated by the day signal shown in... Q391:INLAND ONLY You sight a vessel displaying an alternating red and yellow light. ...

Ready to test your knowledge?

Take a Rules of the Road Practice Exam
Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG Navigation Center
← Previous Question All Questions Next Question →

Pass Your Coast Guard Licensing Exams!

Study offline, track your progress, and simulate real exams with the Coast Guard Exams app

Download on App Store Get it on Google Play Download for Mac