Question 223Navigation General

The correct answer is A) dual purpose marking used where the ICW and other waterways coincide. This is correct because a green buoy with a yellow triangle is a special purpose buoy used to mark the intersection or overlap of the Intracoastal Waterway (ICW) and another waterway. The yellow triangle indicates that the buoy has a dual purpose, serving both the lateral marking system (green for starboard side) and the informational or regulatory purpose of the other waterway. The other options are incorrect because B) is not the case, C) a green buoy with a yellow triangle is not a standard lateral buoy, and D) the buoy is properly positioned to mark the intersection of the waterways.