You sight a spar buoy with the topmark shown...

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Question 1 of 2066636ee928f7522a1c51a0cd

You sight a spar buoy with the topmark shown in illustration D027NG below. You must take which of the following actions?

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Question 1 of 20

66636ee928f7522a1c51a0cd

You sight a spar buoy with the topmark shown in illustration D027NG below. You must take which of the following actions?

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🔍 Key Concepts

• IALA buoyage system – especially isolated danger marks • Meaning of a black spar buoy with two black spheres as a topmark • Difference between cardinal marks (N/S/E/W) and danger/safe-water marks

💭 Think About

• Look at the exact shape and arrangement of the two black topmarks – does this match any of the four cardinal marks? • Ask yourself what an isolated danger mark tells you about the water immediately around the buoy versus a little farther away. • Think about whether this topmark is directing you to a specific side, or simply warning you about something close to the buoy.

✅ Before You Answer

• Confirm that two black balls, one above the other, is NOT a north/east/south/west cardinal configuration of cones. • Recall that an isolated danger mark indicates danger at the buoy’s position but navigable water all around at a safe distance. • Decide whether the mark requires you to pass on a specific side (N/S/E/W) or just to give it a good berth and choose your own side.

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Study

Question 1 of 2066636ee928f7522a1c51a0cd

You sight a spar buoy with the topmark shown in illustration D027NG below. You must take which of the following actions?

Back

Question 1 of 20

66636ee928f7522a1c51a0cd

You sight a spar buoy with the topmark shown in illustration D027NG below. You must take which of the following actions?

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