BOTH INTERNATIONAL & INLAND Your vessel is underway in reduced visibility. You hear the fog signal of another vessel about 30° on your starboard bow. If danger of collision exists, which action(s) are you required to take?
• Rule 19 – Conduct of vessels in restricted visibility (sound signal heard but no visual contact) • Meaning of a bearing forward of the beam (30° on your starboard bow) • Specific actions Rule 19 says you must avoid vs actions you must take when you only hear another vessel
• Ask yourself: when you hear another vessel’s fog signal forward of the beam and think there is risk of collision, what does Rule 19 say about changing course to port or toward the other vessel? • Which option matches the rule’s requirement about speed in restricted visibility when there is a risk of collision? • Is the question asking what you are allowed to do, or what you are required to do under the Rule?
• Verify in Rule 19(d) what you must do with your speed when you hear a fog signal apparently forward of the beam and risk of collision exists. • Check which options involve an alteration of course to port or toward the other vessel, and compare that with what Rule 19 says not to do. • Confirm that your chosen answer reflects a mandatory action described in the Rule, not just something that might sometimes be good seamanship.
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