Skip to main content
CaptainsGround
Every answer cited & verifiedAll 4 USCG exam modulesReviewed by a former NMC exam writer
USCG Exam PracticeApplying tide corrections to charted depth

Where on a US nautical chart would you confirm whether soundings are given in feet, fathoms, or metres?

  1. A. In the chart's compass rose
  2. B. In the chart's legend block near the border
  3. In the chart titleCorrect
  4. D. In the U.S. Coast Pilot for that district

Why C is correct

Per Bowditch Ch. 4 §403 and the Light List Depth Unit Notation, the depth unit is stated in the chart title. A mariner must verify the title before plotting to avoid misinterpreting soundings.

More Applying tide corrections to charted depth questions

Start drilling in 30 seconds. Free.

No signup, no credit card — answer 5 real, cited exam questions right now.

Where on a US nautical chart would you confirm whether soundings ar… — USCG Exam Practice · CaptainsGround