RedactedNarrative: Vessel 1 was attempting to dock. Vessel 1 was operating a greater than reasonable and prudent speed and over shot its intended slip, striking vessel 2. Vessel 2 was tied to the dock, when struck by vessel 1 its dock lines parted sending it into a third vessel that was also docked. Vessel 3 sustained non reportable damage. The operator of vessel one stated he also had a malfunction with his reverse gear.