You desire to make good a true course of 347°. The variation is 11°E, magnetic compass deviation is 7°W, and gyrocompass error is 4°W. A north by east wind produces a 4° leeway. What is the course to steer per standard magnetic compass to make the true course good?

Correct Answer: Option C — 347°psc

True 347° + Leeway 4° (wind from north by east) = 351°. 351° - Variation 11°E = 340° Magnetic. 340° + Deviation 7°W = 347°psc. The leeway correction and compass errors cancel out, resulting in the original true course being the required compass course.