You desire to make good a true course of...

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Question 1 of 2066636eea28f7522a1c51b0a0

You desire to make good a true course of 329°. The variation is 13° W, magnetic compass deviation is 4° E, and gyrocompass error is 2° W. A southerly wind produces a 1° leeway. What is the course to steer per standard magnetic compass to make the true course good?

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Question 1 of 20

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🔍 Key Concepts

• True–Magnetic–Compass conversion order (remember a standard memory aid you use) • Effect of westerly variation and easterly deviation when converting between true and compass • How leeway from a southerly wind changes the heading you must steer to make good the desired track

💭 Think About

• Start at the desired true course and work step‑by‑step toward the standard magnetic compass course, carefully tracking whether you should add or subtract each correction • Decide on the direction of leeway: with a southerly wind, which way will the vessel actually be pushed, and therefore which way must you steer to compensate? • Before using the gyro error, ask yourself: do you really need a gyro correction when the question asks for a standard magnetic compass course?

✅ Before You Answer

• Be consistent with one memory aid (e.g., True to Compass: add West, subtract East corrections, or its reverse if you go the other way) and do NOT mix systems • Confirm whether leeway is applied to the true course or to the compass course in your usual method, and apply it only once • Double‑check that you have applied variation and deviation with the correct sign (West vs East) before matching one of the multiple‑choice answers

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