At 2215 the following bearings are...

Question 1 / 2066636eea28f7522a1c51ad36

Question 1 of 2066636eea28f7522a1c51ad36

At 2215 the following bearings are taken:

Cape Henry Light: 242°pgc Cape Charles Light: 010 .5°pgc Chesapeake Channel Tunnel North Light: 319°pgc You are heading: 271°pgc

What is the relative bearing of Thimble Shoal Light?

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Question 1 of 20

66636eea28f7522a1c51ad36

At 2215 the following bearings are taken:

Cape Henry Light: 242°pgc Cape Charles Light: 010 .5°pgc Chesapeake Channel Tunnel North Light: 319°pgc You are heading: 271°pgc

What is the relative bearing of Thimble Shoal Light?

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🔍 Key Concepts

• Difference between relative bearing and true/gyro/compass bearing • How to convert from pgc (per gyro compass) bearings to a relative bearing using own ship’s heading • Understanding that relative bearings are measured from the bow, clockwise 0°–360°

💭 Think About

• Start by writing down your own ship’s heading and the probable true/gyro bearing to Thimble Shoal Light based on the geometry of the fixes given. • Think about how you would normally compute a relative bearing if you know your heading and the target’s bearing: which angle minus which? • Ask yourself: after conversion, should Thimble Shoal Light appear ahead, on the beam, or abaft the beam based on your track and the given bearings?

✅ Before You Answer

• Make sure you are using 2215 bearings consistently and that all are in pgc (per gyro compass) before doing any subtraction. • Confirm you are measuring the relative bearing clockwise from the bow (0° at dead ahead), not from north. • Check whether your final relative bearing is between 0° and 360° and makes sense with your course of 271°pgc and the charted positions of the lights.

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Question 1 of 20

At 2215 the following bearings are taken: Cape Henry Light: 242°pgc Cape Charles Light: 010 .5°pgc Chesapeake Channel Tunnel North Light: 319°pgc You are heading: 271°pgc What is the relative bearing of Thimble Shoal Light?

017°

014°

280°

332°

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Question 1 / 2066636eea28f7522a1c51ad36

Question 1 of 2066636eea28f7522a1c51ad36

At 2215 the following bearings are taken:

Cape Henry Light: 242°pgc Cape Charles Light: 010 .5°pgc Chesapeake Channel Tunnel North Light: 319°pgc You are heading: 271°pgc

What is the relative bearing of Thimble Shoal Light?

Back

Question 1 of 20

66636eea28f7522a1c51ad36

At 2215 the following bearings are taken:

Cape Henry Light: 242°pgc Cape Charles Light: 010 .5°pgc Chesapeake Channel Tunnel North Light: 319°pgc You are heading: 271°pgc

What is the relative bearing of Thimble Shoal Light?

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