Your radar is set on a true motion display....

Question 1 / 2066636ee928f7522a1c519f6b

Question 1 of 2066636ee928f7522a1c519f6b

Your radar is set on a true motion display. Which of the following will appear to move across the PPI scope?

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Question 1 of 20

66636ee928f7522a1c519f6b

Your radar is set on a true motion display. Which of the following will appear to move across the PPI scope?

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🔍 Key Concepts

• Difference between true motion and relative motion radar displays • What appears fixed vs. what appears to move on a true motion PPI (plan position indicator) • Behavior of own ship, land, and anchored targets on a true motion display

💭 Think About

• On a true motion display, ask yourself: which echoes represent things with actual motion over the ground, and which ones do not? • Think about what a land mass and an anchored vessel are doing relative to the Earth: are they moving over the ground or stationary? How would that look in true motion? • Consider what the "own ship marker" represents in true motion mode: does your ship move across the screen, or does the presentation keep your ship in a particular place on the scope?

✅ Before You Answer

• Be clear on the definition of true motion vs relative motion and how each treats the background (land) and stationary targets. • Verify which items (land, anchored vessel, own ship symbol) are treated as stationary references and which show actual track over the ground. • Check whether in true motion the display is recentered or reset to keep own ship visible, and how that affects your perception of movement on the PPI.

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Question 1 of 20

Your radar is set on a true motion display. Which of the following will appear to move across the PPI scope?

Echoes from land masses

Own ship's marker

Echo from a ship at anchor

All of the above

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Question 1 / 2066636ee928f7522a1c519f6b

Question 1 of 2066636ee928f7522a1c519f6b

Your radar is set on a true motion display. Which of the following will appear to move across the PPI scope?

Back

Question 1 of 20

66636ee928f7522a1c519f6b

Your radar is set on a true motion display. Which of the following will appear to move across the PPI scope?

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