RedactedNarrative: Vessel 1 was stopped in the water drifting to clear vegetation from the propeller. During this passenger #6 entered the water. The vessel began drifting away. Passenger #2 entered the water to rescue passenger #6. Passenger #2 began to struggle and called out for help to Operator# I. Passenger #2 became unresponsive. Operator# 1 began driving toward parties in the water. On the second approach operator# 1 struck passenger# 2 in the head with the vessel. Passenger #6 was able to exit the water. Operator #1 called 911 as passenger #2 remained in the water until good Samaritans and ODNR assisted in removing him from the water. Passenger #6 was taken by fire department to shore to EMS on shore for transport.