RedactedNarrative: Unit 1  was traveling Southbound on the ICW. The operator of Unit 1 advised he thought he activated the helm hold to maintain the course while he looked at navigational charts. The operator of unit 1 advised when he looked up after a moment the sailboat had veered to starboard and an impact was unavoidable at that point. Unit 1 struck the dock at the bow causing significant damage to the anchor of the vessel and rails of the dock. Unit 1 proceeded down the side of the dock causing additional damage to the roof and dock frame.