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The ladder

T · V · M · D · C

Going down the ladder (true toward compass) subtract easterly and add westerly. Going up (compass toward true) add easterly and subtract westerly. "East is least, west is best" names the compass side.

Skill 1 · Compass conversionsProblem 7006

You are steering 141° by the steering compass. What is the true course?

You are steering 141° by the steering compass. What is the true course?

Give whole degrees (000 to 359). This one must be exact.

Given
Compass course141°C
Deviation on this heading3°E
Variation7°W
°T
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