this question includes the term "may" and should not. blue lights are always that of law enforcement. are they not?
Deck
Rules of the Road: INLAND ONLY Which of the following may be displayed by a law enforcement boat?
Discussing this exam question.
Correct answer is Flashing blue light. A flashing amber light is for a submarine ship of war, and a flashing red light and a blue flag don't even make since as a possible answer choice.