Question 168Navigation General

The correct answer is C) Open-faced diamond. According to the U.S. Coast Guard's Aids to Navigation System, an orange and white buoy marking a danger area will display an open-faced diamond symbol. This symbol indicates that the buoy is marking a hazard or obstruction to navigation that boaters should avoid. The other answer choices are incorrect because: A) a diamond with a cross is used for regulatory marks, B) a square is used for channel markers, and D) a circle is used for informational buoys.