USCG Exam PracticeDead reckoning — DR plot maintenance
On a DR plot, a DR position is marked with a ______.
- A. dot inside a circle
- B. dot inside a square
- ✓ dot with a semicircleCorrect
- D. cross inside a circle
Why C is correct
A DR position is symbolized by a dot with a semicircle. A dot inside a circle is a fix; a dot inside a square is an estimated position.
Cited:Bowditch Ch. 8 §802