RedactedNarrative: Operator was operating  vessel on Tchefuncte River. The vessel had a total of four persons on board. Operator stopped the vessel near the shore by a rope swing.  While the vessel was dead in the water a passenger, Victim 1, jumped overboard, head first. This action caused his head to strike the bottom and underwater obstructions. Victim 1 received abrasions and lacerations and a possible concussion. Victim 1 was transported to St. Tammany Parish Hospital via ambulance for treatment. Alcohol and/or drug use is not suspected to be a factor in the incident and all pfd requirements were met.