USCG Exam PracticeDead reckoning — DR plot maintenance
On a DR plot, a DR position is marked with a dot and a ______.
- A. circle
- ✓ semicircleCorrect
- C. square
- D. triangle
Why B is correct
Bowditch standardizes the DR position symbol as a dot with a semicircle. A circle marks a fix; a square marks an estimated position.
Cited:Bowditch Ch. 8 §802