INTERNATIONAL ONLY Which signal may be...

Question 1 / 2707066636eeb28f7522a1c51be77

Question 1 of 2707066636eeb28f7522a1c51be77

INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?

Question 1 of 27070

INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?

🔍 Key Concepts

• Rule 35 – Sound signals in restricted visibility (International Rules) • Difference between maneuvering/warning signals and restricted visibility signals • Which signals are used only when you cannot see other vessels (fog, heavy rain, etc.)

💭 Think About

• First, sort each option into either: maneuvering/whistle warning signal or restricted-visibility fog signal under Rule 35. • Ask yourself: which of these signals is associated with a specific type of vessel making way or underway but not making way in fog? • Consider whether any of these signals are normally used in clear weather to communicate intentions or doubt about another vessel’s actions.

✅ Before You Answer

• Verify in Rule 35 which patterns are assigned to power-driven vessels, anchored vessels, or towing vessels in fog. • Check Rule 34 (maneuvering and warning signals) to see which of these options are used for altering course, operating astern propulsion, or doubt signals in clear visibility. • Make sure the signal you choose is not used anywhere else in the Rules except in restricted visibility.

Question 1 of 27070

INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?

At least five short and rapid blasts

One prolonged, one short, one prolonged, and one short blast, in that order

Two short blasts

Four short blasts

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Question 1 / 2707066636eeb28f7522a1c51be77

Question 1 of 2707066636eeb28f7522a1c51be77

INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?

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Question 1 of 27070

INTERNATIONAL ONLY Which signal may be sounded ONLY by vessels in restricted visibility?