Chart Navigation & Plotting · Tides — Under-Keel Clearance
Depth of water is 25 feet and your draft is 19 feet. What is the under-keel clearance?
- A8 feet
- B4 feet
- C6 feet✓ Correct
- D44 feet
Explanation
Under-keel clearance = depth of water − draft = 25 − 19 = 6 feet.
Authority: Bowditch (Pub. No. 9), Piloting
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