RedactedNarrative: Vessel #1, a 20 ft open motorboat with remote steering was cruising southwest in Calcasieu Lake at approximately 11:00 a.m. Operator was alone inside Vessel #1. The throttle was in the forward position. The steering wheel is located in the center of Vessel #1 where the operator was located. Vessel #1 was being operated on plane, while the operator divided his attention, and reached down towards the floor of Vessel #1 to grab something. Vessel #1 then struck a wave and the operator fell overboard into the water. Once entering the water, the operator was struck by Vessel #1 in the right arm with the propeller. The operator then swam away from Vessel #1 as it continued to circle in the incident location. After the incident occurred, three witnesses observed Vessel #1 circling in Calcasieu Lake. Witnesses approached Vessel #1 and observed the operator in the water. Witnesses pulled the operator out of the water and called 911 for assistance. Witnesses then transported the operator to Hebert's Landing where paramedics took custody of the Operator. Paramedics transported the operator to Lake Charles Memorial Hospital. The Operator was treated and is currently at Lake Charles Memorial Hospital. The operator suffered multiple fractures and other injuries to his right arm. The operator was not wearing a PFD during the incident and did not have the provided engine cut-off lanyard attached to his person. Cameron Parish Sheriff's Office assisted in stopping Vessel #1. Vessel #1 was towed to the Cameron Jetties boat ramp and secured. There were no damages to Vessel #1 as a result of this incident. No evidence of drugs and or alcohol are suspected in this incident.