Illustration D011NG below represents the...

Question 1 / 2066636ee928f7522a1c519937

Question 1 of 2066636ee928f7522a1c519937

Illustration D011NG below represents the geographic location of a vessel and the radar presentation at the same time. Which statement is TRUE?

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Question 1 of 20

66636ee928f7522a1c519937

Illustration D011NG below represents the geographic location of a vessel and the radar presentation at the same time. Which statement is TRUE?

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🔍 Key Concepts

• Radar shadowing and masking by land masses such as headlands and mountains • How radar beam width affects the apparent size and bearing of targets, especially for tangent bearings on land • The difference between small, low targets (like a small island or low ship) and high, strong reflectors (like steep cliffs or mountains) on the radar screen

💭 Think About

• Compare the geographic view with the radar screen: which objects that you see visually are missing or distorted on the radar picture? • Ask yourself which effect (shadowing, masking, or beam width) would cause a target in that specific location to disappear or shift in bearing. • Look at the position of Ship No. 1, Ship No. 2, and the small island relative to the headlands: which one lies directly behind higher land from your position?

✅ Before You Answer

• Verify which side of the vessel the steep, high land is on and which objects lie directly behind it from your line of sight (possible radar shadow). • Check how a tangent bearing to a headland is affected by beam width: does beam width make the contact appear inside or outside the true shoreline? • Confirm whether a small, low island in open water with no higher land behind it is likely to be entirely lost due to beam width alone at this range.

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Question 1 of 20

Illustration D011NG below represents the geographic location of a vessel and the radar presentation at the same time. Which statement is TRUE?

Ship No. 2 is not detected due to the reflective mass of the background mountain overpowering the ship's reflective signals.

Ship No. 1 is not detected due to the shadow effect of the headland.

The small island is not detected due to the effect of beam width.

A tangent bearing of the headland to the south-southeast should be corrected by adding one-half of the beam width.

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Question 1 / 2066636ee928f7522a1c519937

Question 1 of 2066636ee928f7522a1c519937

Illustration D011NG below represents the geographic location of a vessel and the radar presentation at the same time. Which statement is TRUE?

Back

Question 1 of 20

66636ee928f7522a1c519937

Illustration D011NG below represents the geographic location of a vessel and the radar presentation at the same time. Which statement is TRUE?

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