Deck General USCG Question #4906 (Set 153)

When mooring a vessel the breast lines should lead as far away as possible. What does the additional length help facilitate?

Official USCG Answer & Rule Citation

Correct Answer: Option B — the range of the tide

Longer breast lines run at a flatter angle relative to the pier, which minimizes vertical displacement changes on the vessel's bitts and winches as the tide rises and falls, thereby accommodating significant tidal range safely without parting lines.

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