USCG Exam PracticeGPS and electronic navigation
According to Bowditch Ch. 1 §101, modern voyages combine all four primary methods of navigation. Which method is described as the principal real-time reference on modern voyages?
- A. Celestial navigation
- B. Dead reckoning
- C. Piloting
- ✓ Electronic navigationCorrect
Why D is correct
Bowditch Ch. 1 §101 identifies the four primary methods as dead reckoning, piloting, celestial, and electronic, and states that modern voyages use electronic navigation as the principal real-time reference with the others serving as cross-checks.
Cited:Bowditch Ch. 1 §101