RedactedNarrative: Vessel 2 was backing from the fueling station while vessel 1 was properly docked facing eastbound. The operator of vessel 2 backed in front of vessel, however, the vessel then drifted towards vessel 1 impacting it with the anchor causing a scratch to the hull as well as the trim. The estimated damage to vessel 1 is $50000. There we no complaints of any injuries. Both vessels were removed without incident.