Question 1 of 2707066636eeb28f7522a1c51bcd2

BOTH INTERNATIONAL & INLAND You do NOT understand the course or intention of an approaching vessel. Which signal should you sound?

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Question 1 of 27070
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BOTH INTERNATIONAL & INLAND You do NOT understand the course or intention of an approaching vessel. Which signal should you sound?

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🔍 Key Concepts

• Rule 34 – Maneuvering and Warning Signals in the Navigation Rules • Difference between maneuvering signals (used when course and speed are understood) and danger/doubt signals (used when they are NOT understood) • Meaning of short blast vs prolonged blast and how many are required for a danger signal

💭 Think About

• Ask yourself: When you are unsure of another vessel’s intentions, are you in a normal maneuvering situation, or a potential danger situation? • Which type of signal is specifically described in Rule 34 as the one used when there is doubt about the other vessel’s actions? • Look at the options: which choice matches the pattern and number of blasts used worldwide to mean, “I don’t understand what you’re doing; this may be dangerous”?

✅ Before You Answer

• Verify in Rule 34 that one short blast and one prolonged blast are described as normal maneuvering or leaving-berth signals, not doubt signals • Identify which option uses a series of blasts (not just one) and is associated with danger or doubt • Confirm in the text of the rule that the danger/doubt signal requires not less than five blasts and specifies the blasts as short and rapid rather than prolonged