USCG Exam PracticeAnchoring and mooring operations
Which of the following bottom types provides the POOREST holding ground for an anchor?
- A. Firm mud
- B. Clay
- C. Sand
- ✓ Loose shingleCorrect
Why D is correct
Good holding bottoms include firm mud, clay, and sand. Poor holding bottoms include rock, coral, loose shingle, and very soft ooze. Loose shingle does not allow flukes to bite and hold.
Cited:NAVEDTRA 14343 §4-2