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USCG Exam PracticeLatitude, longitude, and geographic coordinates

A mariner encounters an unfamiliar symbol on a US nautical chart while planning a passage. Which publication is the authoritative reference for decoding that symbol?

  1. A. Bowditch Chapter 1
  2. B. The Coast Pilot
  3. C. The Light List
  4. Chart No. 1Correct

Why D is correct

Chart No. 1 — 'Symbols, Abbreviations and Terms used on Paper and Electronic Navigational Charts' — is the authoritative key to every symbol and abbreviation on a US nautical chart, including aids to navigation, bottom characteristics, depth contours, and hazards. (Bowditch Ch. 4 §404)

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A mariner encounters an unfamiliar symbol on a US nautical chart wh… — USCG Exam Practice · CaptainsGround