General Navigation USCG Question #1831 (Set 57)

You take a bearing of 176° of a lighthouse. Which bearing of another object would give the best fix?

Official USCG Answer & Rule Citation

Correct Answer: Option A — 079°

Per Bowditch fix-accuracy principles, the best cut occurs when intersection angles approach 90 degrees. A primary bearing of 176° intersecting an object bearing 079° forms an angle of 97 degrees, which is very close to the ideal perpendicular intersection.

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