Question 193Navigation General

70% to pass

Under the IALA-A Buoyage system, a buoy marking the port hand of the channel when approaching from seaward may NOT have a _______________.

A conical shape
B group-flashing light
C square topmark
D red light
AI Explanation

The correct answer is A) conical shape. Under the IALA-A Buoyage system, a port-hand buoy marking the port side of a channel when approaching from seaward must have a can or cylindrical shape, not a conical shape. This is because the conical shape is reserved for starboard-hand buoys. The other options (B, C, and D) are all possible characteristics of a port-hand buoy, but the shape must be can or cylindrical, not conical.

Related Questions
Q@q.QuestionNumber:The daily path of a celestial body that is parallel to the celestial equator is ... Q@q.QuestionNumber:If several navigational lights are visible at the same time, each one may be pos... Q@q.QuestionNumber:Under the IALA-A Buoyage System, when entering from seaward a lateral system buo... Q@q.QuestionNumber:In the Northern Hemisphere, when the center of a high pressure system is due eas... Q@q.QuestionNumber:At 0000 you fix your position and change course to 270°T. At 0030 you again fix ...

Ready to test your knowledge?

Take a Navigation General Practice Exam
Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG National Maritime Center
← Previous All Questions Next →

Want to practice with timed exams?

Download Coast Guard Exams for the full exam experience.

Get the App