What is the purpose of a spring line?

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Multiple Choice

What is the purpose of a spring line?

Spring lines are mooring lines placed diagonally from the dock to the vessel to stop longitudinal movement along the berth. By running from a dock cleat to points near the bow or stern at an angle, they resist motion fore or aft caused by wind, current, or tides, keeping the boat in place and maintaining a safe distance from the dock and neighboring boats. This is different from lines that prevent side-to-side movement (breast lines) and from measures used to gauge tension or adjust fender height. In practice, a couple of spring lines—one forward and one aft—work with other mooring lines to hold the vessel steady along its length.

Spring lines are mooring lines placed diagonally from the dock to the vessel to stop longitudinal movement along the berth. By running from a dock cleat to points near the bow or stern at an angle, they resist motion fore or aft caused by wind, current, or tides, keeping the boat in place and maintaining a safe distance from the dock and neighboring boats. This is different from lines that prevent side-to-side movement (breast lines) and from measures used to gauge tension or adjust fender height. In practice, a couple of spring lines—one forward and one aft—work with other mooring lines to hold the vessel steady along its length.

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