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USCG Exam PracticePlot true course and distance between two charted points

A navigator takes a bearing on a lighthouse, then runs a known course and speed for 20 minutes and takes a second bearing on the same lighthouse. The navigator advances the first LOP to the time of the second bearing and marks the intersection. This position is called a:

  1. A. Fix
  2. B. Dead reckoning position
  3. Running fixCorrect
  4. D. Estimated position

Why C is correct

Bowditch Ch. 7 §702 defines a running fix as a fix obtained when LOPs cannot be taken simultaneously; the first LOP is advanced along the DR track to the time of the second observation and the intersection is the running fix.

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A navigator takes a bearing on a lighthouse, then runs a known cour… — USCG Exam Practice · CaptainsGround