You are running parallel to the coast and...

Question 1 / 2066636ee928f7522a1c51a020

Question 1 of 2066636ee928f7522a1c51a020

You are running parallel to the coast and estimate that the current is against you. In plotting a running fix using bearings from the same object on the coast, the greatest safety margin from inshore dangers will result if what speed is used to determine the fix?

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🔍 Key Concepts

• Running fix and how assumed speed affects the plotted position • Effect of an adverse current (current against you) on your actual speed over ground • Why a navigator might choose a conservative estimate to stay farther offshore from dangers

💭 Think About

• If the current is against you, is your actual speed over ground likely to be higher or lower than your engine/through‑the‑water speed? • When you advance your line of position (LOP) for a running fix, how does choosing a higher or lower speed move the final fix relative to the coast? • Which speed choice will tend to place your plotted position farther offshore than you might actually be, giving you a safety cushion from inshore hazards?

✅ Before You Answer

• Confirm how an adverse current changes speed over ground versus speed through the water. • Visualize or sketch how advancing the first bearing using different speeds (max, average, min) changes the location of the running fix relative to the coastline. • Check which option results in the most seaward (offshore) plotted position, providing the greatest safety margin from inshore dangers.

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Question 1 of 20

Maximum speed estimate

Average speed estimate

Minimum speed estimate

A running fix should not be used under these conditions.

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Question 1 / 2066636ee928f7522a1c51a020

Question 1 of 2066636ee928f7522a1c51a020

Back

Question 1 of 20

66636ee928f7522a1c51a020

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