USCG Exam Practice · Plot true course and distance between two charted points
Dead reckoning (DR) is best described as determining a vessel's position by which method?
- ATaking simultaneous bearings on two or more charted objects
- BAdvancing a previous LOP along the DR track to a new observation time
- CApplying course steered and distance run from a known starting point✓ correct
- DMeasuring set and drift from the current vector triangle
Why C is correct
Bowditch Ch. 1 §102 defines dead reckoning as the determination of position by applying course steered and distance run from a known starting point. The other options describe running fixes or current correction techniques.
Cited:Bowditch Ch. 1 §102
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