While on a course of 097°pgc, a light bears...

Question 1 / 2066636ee928f7522a1c519462

Question 1 of 2066636ee928f7522a1c519462

While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?

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Question 1 of 20

66636ee928f7522a1c519462

While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?

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🔍 Key Concepts

• Relative bearings vs. course steered (what does '8° on the port bow' actually mean?) • Using right triangle / bearing line geometry to relate your track, the light, and the desired closest point of approach (CPA) of 3 miles abeam • How changing course will change the relative bearing at CPA (abeam = 90° off your bow)

💭 Think About

• Sketch your original course as a straight line, plot your vessel, the light (8° on the port bow at 11.7 miles), and then mark the point where you want to be 3 miles abeam of the light. What kind of triangle does that form? • If you want to pass 3 miles abeam (to port), what must the distance from your track line to the light be? How does that relate to the original 11.7-mile range and 8° relative bearing? • After you find the track line that gives a minimum distance of 3 miles from the light, what true/pgc course corresponds to that line?

✅ Before You Answer

• Be clear about the relative bearing: '8° on the port bow' means 8° to the left of your ship’s head, not 8° from north. • Confirm you use sine/cosine with correct angles when finding the cross-track distance from your original course to the light. • Before choosing an answer, check that your new course keeps the light on the port side at CPA and that the geometry gives a 3-mile minimum distance, not more or less.

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Question 1 of 20

While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?

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Question 1 / 2066636ee928f7522a1c519462

Question 1 of 2066636ee928f7522a1c519462

While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?

Back

Question 1 of 20

66636ee928f7522a1c519462

While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 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