RedactedNarrative: Unit 2 was following Unit 1 North West in the ICW/Cooper River to a restaurant from Savannah Georgia. The sky ahead looked stormy and it began to drizzle. The operator of Unit 1 slowed down from plane to prepare for rain and noticed Unit 2 approaching, still on plane. The operator of Unit 2 had also noticed the apparent storm and was looking at the sky when Unit 1 slowed down. The operator of Unit 1 pushed one of his passengers overboard and jumped off of his vessel before being struck by Unit 2. The bow of Unit 2 struck the center of the stern of Unit 1. Unit 2 slid on top of and over Unit 1, crossing over the port side bow of Unit 1 before landing and settling back in the waterway. The operator and passengers of Unit 2 then turned around to assist the occupants of Unit 1,retrieve those in the water, move the vessel out of the waterway and called 911. Two occupants of Unit 1 were put aboard the responding SCDNR Patrol Vessel and taken o land to meet S and received medical treatment.