General Navigation USCG Question #1817 (Set 57)

You are taking bearings on two known objects ashore. The BEST fix is obtained when the angle between the lines of position is __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — 90°

Per Bowditch, geometric cut accuracy dictates that the most reliable fix from visual bearings is obtained when intersecting lines of position cross at an angle of 90°, minimizing the zone of uncertainty in any single direction.

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