USCG Exam Practice · Visual piloting — three-bearing fixes, danger bearings
A fix obtained by advancing the first LOP along the DR track to the time of a second observation is called a:
- ACross bearing fix
- BRunning fix✓ correct
- CSimultaneous fix
- DDanger bearing
Why B is correct
When LOPs cannot be taken simultaneously, the first LOP is advanced along the DR track to the time of the second observation; the intersection is a running fix, which is less accurate than a fix from simultaneous LOPs. (Bowditch Ch. 7 §702)
Cited:Bowditch Ch. 7 §702
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