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
- 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 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 a running fix or current correction techniques.
Cited:Bowditch Ch. 1 §102