USCG Exam Practice · Dead reckoning — DR plot maintenance
In confined waters where dead reckoning alone is insufficient, which navigation method is considered primary?
- ACelestial navigation
- BElectronic navigation
- CPiloting✓ correct
- DRunning fix construction
Why C is correct
Bowditch Ch. 1 §103 states that piloting — navigation by reference to landmarks, aids to navigation, and soundings — is the primary method used in confined waters where dead reckoning alone is insufficient and electronic positioning may be obstructed.
Cited:Bowditch Ch. 1 §103
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