USCG Exam Practice · Dead reckoning — DR plot maintenance
Dead reckoning determines a vessel's position by which method?
- ATaking simultaneous bearings on two or more charted objects
- BApplying course steered and distance run from a known starting point✓ correct
- CReferencing landmarks, aids to navigation, and soundings
- DAdvancing 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
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