Which of the following situations indicates an emergency aboard? A. A flashing red light displayed on the stern
B. Orange smoke billowing from a boat
C. Flying a yellow flag from the bow
D. A boat blowing its horn three times
Which of the following situations indicates an emergency aboard?
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The correct answer is B. Orange smoke billowing from a boat.
Explanation: Orange smoke is commonly used as a distress signal indicating an emergency and that help is needed. In contrast, a flashing red light and three horn blasts can also indicate emergencies, but they are more about signaling rather than indicating a situation requiring immediate assistance. A yellow flag may signify specific conditions but does not inherently indicate an emergency.