RedactedNarrative: Unit 1 was moving west into the cove while pulling an inflatable device occupied by 2 people. The operator of unit one noticed a pontoon and kayak to his left and directed his boat right closer to the docks. The occupants of unit 1 alerted the operator of the hazard. The occupants on the inflatable device struck the motor of unit 2 tied to the docks. Unit 1 reduced power and turned back to the injured and 2 occupants of unit 1 jumped in to render aid.