BOTH INTERNATIONAL & INLAND While underway in fog, you hear the fog signal of another vessel ahead. If a risk of collision exists, which action is required by the Rules?
• Rule 19 – Conduct of vessels in restricted visibility (Navigation Rules) • Difference between slowing down, stopping engines, and backing engines • Meaning of “bare steerageway” and “navigate with caution” when risk of collision exists
• When you hear another vessel’s fog signal apparently forward of your beam and think there is risk of collision, what does Rule 19 specifically say you must do with your speed and engines? • Is there any requirement in the Rules to sound three short blasts just because you hear another vessel in fog? Where are three short blasts normally used? • Does Rule 19 require you to immediately stop, or to adjust speed in a particular way first, and under what condition does it mention stopping engines?
• Look up the exact wording of Rule 19(e) in the Navigation Rules and match it to the choices given. • Verify how the Rules define actions regarding engines: is the phrase “stop your engines and navigate with caution” or something slightly different? • Confirm that the Rule talks about speed being “the minimum at which she can be kept on her course” and see which choice best reflects that idea.
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