RedactedNarrative: Vessel 1 was just dropped in the water at the landing.  Vessel 1 Operator had issues starting the engine.  Vessel 1 started and was put into gear and turned starboard.  Vessel 1 Operator attempted to make a U-turn to get out of the way of the boat landing.  Vessel 1 struck Vessel 2 in the engine with Vessel 1's fore portside.  Very minor if any damage to Vessel 1 portside.  Vessel 2 had disabling damage to engine.