While on a course of 283°pgc, a light bears...

Question 1 / 2066636ee928f7522a1c519485

Question 1 of 2066636ee928f7522a1c519485

While on a course of 283°pgc, a light bears 10° on the port bow at a distance of 8.3 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to port?

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Question 1 of 20

66636ee928f7522a1c519485

While on a course of 283°pgc, a light bears 10° on the port bow at a distance of 8.3 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to port?

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🔍 Key Concepts

• Relative bearing vs. course and how to sketch the situation from the ship to the light • Using a right triangle / trigonometry to get the distance off at closest point of approach (CPA) • How changing course changes the relative bearing at CPA so that abeam distance = 3.5 miles

💭 Think About

• First, make a clear diagram: draw your present course, mark the light’s position based on its relative bearing (10° on the port bow) and range (8.3 miles). What does that triangle look like? • Ask yourself: if you keep the same course, will you pass inside or outside 3.5 miles? How can you see that from the diagram or by basic trigonometry? • Think about what new relative bearing at the moment of abeam passage (CPA) would give you a lateral separation of 3.5 miles from the light, starting from the known initial position.

✅ Before You Answer

• Be sure to convert relative bearing (10° on the port bow) to a true line from your ship to the light using your course of 283°pgc before you draw or calculate. • Check that the triangle you use has the correct initial range (8.3 miles) and that your chosen course gives a perpendicular distance of 3.5 miles from the track to the light. • Verify that the new course you select makes sense: does the light stay on the port side and will you pass it abeam (roughly 90° relative) at your intended closest distance?

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Question 1 of 20

While on a course of 283°pgc, a light bears 10° on the port bow at a distance of 8.3 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to port?

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Question 1 / 2066636ee928f7522a1c519485

Question 1 of 2066636ee928f7522a1c519485

While on a course of 283°pgc, a light bears 10° on the port bow at a distance of 8.3 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to port?

Back

Question 1 of 20

66636ee928f7522a1c519485

While on a course of 283°pgc, a light bears 10° on the port bow at a distance of 8.3 miles. What course should you steer to pass 3.5 miles abeam of the light leaving it to port?

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