At 0520 your position is LAT 41°07.2'N, LONG...

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Question 1 of 2066636ee928f7522a1c519080

At 0520 your position is LAT 41°07.2'N, LONG 71°41.6'W. You set course to leave Race Rock Light abeam to starboard at 0.5 mile. What is the course to steer per standard magnetic compass? (Assume no current)

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Question 1 of 20

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🔍 Key Concepts

• Relative bearing abeam means 90° from the ship’s heading to that side • How to plot a line that passes a known point (Race Rock Light) at a fixed distance (0.5 NM) on the chart • Converting true course → magnetic course → standard compass course using variation and deviation

💭 Think About

• From your 0520 fix, how would you draw the track line so that Race Rock Light is exactly 0.5 NM on your starboard beam when you pass abeam? • Once you know the true course of that track, what corrections must you apply (and in what order) to get to standard compass? • Which of the answer choices is most consistent with the size and sign of the local variation and the likely deviation on that heading?

✅ Before You Answer

• Verify the true bearing from your track to Race Rock Light when it is abeam starboard is 90° to starboard from your course line • Check the local magnetic variation for the chart area and apply it correctly (East is least, West is best) • Confirm you’ve applied the deviation for that compass heading from the deviation table before comparing to the multiple‑choice options

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