USCG Exam PracticeRunning fix from a single object
Between fixes, a navigator plots a new DR position at which of the following times?
- A. Only at each course change and speed change
- ✓ At every course change, every speed change, at the time of each fix, and at least once each hourCorrect
- C. At every course change and at least every two hours in pilot waters
- D. Only when an estimated position cannot be determined from current data
Why B is correct
Bowditch Ch. 8 §801 specifies that a new DR position is plotted at every course change, every speed change, at the time of each fix, and at least once each hour — more often in pilot waters.
Cited:Bowditch Ch. 8 §801