USCG Exam PracticePlot true course and distance between two charted points
Dead reckoning (DR) is best defined as the determination of a vessel's position by which method?
- A. Taking simultaneous bearings to two or more charted objects
- ✓ Applying course steered and distance run from a known starting pointCorrect
- C. Advancing a single LOP along the DR track to a second observation
- D. Measuring the vector sum of course steered and current set
Why B is correct
Dead reckoning is specifically defined as determining position by applying course steered and distance run from a known starting point. It does not incorporate current, leeway, or external fixes.
Cited:Bowditch Ch. 1 §102