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- Q421 - Navigation Problems: Chart Plot
60. At 2229 the gyro fails. What is the course to steer per standard magnetic compass to make good 206°T, if you allow 3° leeway for southeasterly winds?
To maintain a track of 206T with a 3 leeway allowance for southeasterly winds, steer 217 using the standard magnetic compass. First, account for leeway by subtracting 3 from the desired track (206T — 3 = 203T). Then, apply the combined magnetic correction of 14W to convert the true course to the compass course (203T + 14W = 217).
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