BOTH INTERNATIONAL & INLAND In illustration...

Question 1 / 2066636eeb28f7522a1c51babc

Question 1 of 2066636eeb28f7522a1c51babc

BOTH INTERNATIONAL & INLAND In illustration D023RR below item "C" shows the arc of visibility of which of the following?

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Question 1 of 20

66636eeb28f7522a1c51babc

BOTH INTERNATIONAL & INLAND In illustration D023RR below item "C" shows the arc of visibility of which of the following?

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🔍 Key Concepts

• Rule 21 of the Navigation Rules – definitions and arcs of visibility for sidelights and towing/yellow lights • A sidelight shows from directly ahead to 22.5° abaft the beam on its own side (total 112.5°) • On these diagrams, assume the top of the box is the bow (ahead) and the bottom is astern

💭 Think About

• Look at item C and decide from which directions another vessel could see that light – mostly from ahead, from astern, or only near the beam? • Compare the shape in C with what you would expect for a sidelight: does it cover more area forward of the beam or aft of the beam? • Ask yourself whether the Navigation Rules give a standard arc diagram for a "yellow flashing light" the same way they do for sidelights and stern/towing lights.

✅ Before You Answer

• Verify in Rule 21 that red and green sidelights have exactly the same arc; only their sides (port vs starboard) differ. • Confirm which part of the ship (ahead, abeam, astern) item C primarily covers, given that the top of the square represents dead ahead. • Before choosing, make sure the option you’re considering matches both the color/type of light and the correct arc of visibility from the Rules.

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Question 1 of 20

BOTH INTERNATIONAL & INLAND In illustration D023RR below item "C" shows the arc of visibility of which of the following?

red sidelight

green sidelight

yellow flashing light

None of the above

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Question 1 / 2066636eeb28f7522a1c51babc

Question 1 of 2066636eeb28f7522a1c51babc

BOTH INTERNATIONAL & INLAND In illustration D023RR below item "C" shows the arc of visibility of which of the following?

Back

Question 1 of 20

66636eeb28f7522a1c51babc

BOTH INTERNATIONAL & INLAND In illustration D023RR below item "C" shows the arc of visibility of which of the following?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed