RedactedNarrative: A open motorboat, carrying 4 occupants, arrived at Chester Boat Basin to dock their vessel. As the Operator was maneuvering the vessel into the slip, an occupant was standing/leaning over while positioning on the port side stern attempting to assist the Operator. During the process of docking, the occupant fell over the edge of the vessel and was sustained a strike from the propeller. The injured occupant  was able to pull themselves up on the dock finger. They was transported to Middlesex Hospital for treatment for injuries to the head, face, neck and shoulder. On 7/17/22, at approximately 1159 hours, DEEP Emergency Dispatch received a report from the victim's father of this boating incident. One injured.