USCG Exam Practice · Anchoring — types, scope, holding ground
According to the Boatswain's Manual, what scope ratio is recommended when anchoring in storm conditions?
- A5:1
- B7:1
- C10:1✓ correct
- D12:1
Why C is correct
The Boatswain's Manual specifies a scope of 7:1 for good holding ground and calm conditions, and 10:1 for storm conditions. Scope is the ratio of rode length to water depth plus bow height. USCG Boatswain Manual Ch. 2 §2.2.
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