You are heading 328° pgc to make good a...

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Question 1 of 2066636eea28f7522a1c51b309

You are heading 328° pgc to make good a course of 332° T, allowing 3° leeway for westerly winds and 1° E gyro error. The variation is 17° E. What should your heading be by standard magnetic compass to make good 332° T. DEVIATION TABLE MAGNETIC HEADING DEV. 345° 1° E 330° 1° W 315° 3° W

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Question 1 of 20

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🔍 Key Concepts

• True–Gyro–Magnetic–Compass (T-G-M-C) conversion sequence and how to apply leeway, variation, and deviation • How leeway direction (westerly wind) affects the course you steer versus the course made good • How to correctly read and apply the deviation table for the final magnetic/compass heading

💭 Think About

• From 332° True, in what order should you apply gyro error, variation, deviation, and leeway to end up with a standard magnetic (per ship’s compass) course to steer? • A westerly wind causes leeway in which direction — does it make your actual track more to the east or more to the west, and therefore do you need to steer more into or away from the wind? • Once you find the approximate magnetic heading, which entry from the deviation table is closest, and how does that deviation (E or W) change the compass heading you will steer?

✅ Before You Answer

• Be clear whether leeway is applied to the course to steer or to the course made good — and in which direction for a westerly wind • Confirm your signs for variation and deviation: "East is least, West is best" when converting from true to magnetic, and apply the same idea consistently • Make sure the final step uses the deviation at the magnetic heading you are actually steering, not at some other heading from the table

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