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USCG Exam Practice · Three-bearing fix and cocked-hat triangle

A line of position (LOP) represents which of the following?

  1. AThe vessel's exact position at a given moment
  2. BA line along which the vessel is known to lie at a given moment based on a single observation✓ correct
  3. CThe intersection of two or more simultaneous observations
  4. DA DR track advanced to the time of a second bearing

Why B is correct

A single observation produces an LOP — a line on which the vessel lies — not a fix. A fix requires the intersection of two or more LOPs taken simultaneously. Bowditch Ch. 7 §701.

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A line of position (LOP) represents which of the following? — USCG Exam Practice · CaptainsGround