USCG Exam PracticeDead reckoning — DR plot maintenance
Dead reckoning determines a vessel's position by which method?
- A. Taking simultaneous bearings on two or more charted objects
- ✓ Applying course steered and distance run from a known starting pointCorrect
- C. Referencing landmarks, aids to navigation, and soundings
- D. Advancing a single line of position along the DR track
Why B 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 A describes fixing by simultaneous LOPs; option C describes piloting; option D describes constructing a running fix.
Cited:Bowditch Ch. 1 §102