RedactedNarrative: On 08/31/2014 at approximately 4:20 p.m., a two vessel collision resulting in one injury occurred on Bogue Falaya River. Vessel 1 was a 17' Sea Ark (LA-7101-EP). His 2 sons and his wife were the only other persons on board vessel 1 at the time of the incident. Vessel 2 was a 16' homemade(LA-2876-EP0 with three people on board vessel 2 at the time of the incident. Prior to the incident, Vessel 1 was headed down river. According to Operator1, vessel 1 was west (right) of mid channel. Vessel 1 had just launched from the 4th Street boat launch in Covington. Prior to the incident, Vessel 2 was headed up river back toward the launch. According to the subjects, vessel 2 had stopped on the west bank of the river to obtain a flyer from a riverfront home that was for sale on the west bank river, vessel 2 then proceeded up river. Vessel 2 impacted Vessel 1 on Vessel 1's port side causing heavy damage to the port side of the vessel 1. Vessel 2 sustained minimal damage. As a result of the collision, victim was ejected from vessel 1 and suffered severe injuries. She was treated at St. Tammany Hospital in Covington. Victim was the only person injured in this incident. Impairment is not suspected in this incident. Operator1 consented to a blood test results pending. Operator2 consented to HGN testing, no clues were detected. While PFD's were provided for all persons aboard both vessels, they were only used by the two children aboard vessel 1. Both vessels were seized for further investigation.   injuries were sustained during the ejection however it was unable to be determined any specific areas of impact.