USCG Exam PracticeApplying tide corrections to charted depth
Where on a US nautical chart would you find the unit of measurement used for charted soundings?
- A. In the chart's compass rose
- ✓ In the chart's title blockCorrect
- C. In the Light List for that district
- D. In the U.S. Coast Pilot for that region
Why B is correct
Bowditch Ch. 4 §403 and the Light List Depth Unit Notation both state that the depth unit (feet, fathoms, or metres) is indicated in the chart title. Always verify the unit in the title block before plotting or computing clearances.