Sb-33 what does a regulatory buoy with a diamond symbol indicate

The diamond symbol indicates in a regulatory buoy is that it shows warning for the buoy as they try to point out the presence of a wreck, shoal, rock or dam that will contribute of having the buoy to be involved into a danger.

The answer is explained below.

Explanation:

Regulatory markers or international markers are used to inform the boaters of the directions and warn on the specs of the places they are approaching to. These signs can be found on the top and at the bottom of the buoys and they are orange on white background. In this case, the diamond symbol indicates warning and the presence of something that may hurt the person or the ship approaching.

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