USCG Exam PracticePlot true course and distance between two charted points
Dead reckoning (DR) is best described as determining a vessel's position by which method?
- A. Taking simultaneous bearings on two or more charted objects
- B. Advancing a previous LOP along the DR track to a new observation time
- ✓ Applying course steered and distance run from a known starting pointCorrect
- D. Measuring set and drift from a GPS-derived course over ground
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. Option B describes a running fix, not DR.
Cited:Bowditch Ch. 1 §102