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- Master & Chief Mate (Oceans or Near Coastal (Unlimited Tonnage)) »
- Q108 - Navigation Problems: Near Coastal
71. You wish to make good a course of 258°T, allowing 4° leeway for northerly winds. The variation is 21°W. What should you steer per standard magnetic compass to make good 258°T?
DEVIATION TABLE
Magnetic Heading Deviation
285° 5°E
270° 3°E
255° 1°E
240° 1°W
To make good a course of 258T with a 4 northerly wind leeway and 21W variation, steer 278psc. First, add the leeway and variation to the true course, then subtract the deviation from the magnetic course.
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