Navigation General · Compass Error
Variation is 4° W and deviation is 9° W. The total compass error is:
- A5° W
- B5° E
- C13° W✓ Correct
- D13° E
Explanation
Both errors are westerly: 4°W + 9°W = 13°W total compass error.
Authority: Bowditch (Pub. 9)
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