RedactedNarrative: On January 23, 2015 at approximately 1:30 pm Operator1 was heading south down a pipeline canal. He was operating an 18 foot homemade flatboat with a 90 hp Mercury outboard. Operator1 was scouting for a place to hunt ducks the next day. The Operator of Vessel 2 was heading west and entering the pipeline from a small bay. He was operating a homemade mudboat with a tiller handle Gatortail motor. He had one passenger on his vessel. The passenger was sitting near the center of the vessel. Operator2 entered the turn into the pipeline canal. While in the turn, Operator2 noticed the vessel being operated by Operator1 heading in his direction. When he saw the other vessel, he turned his vessel hard to port to avoid a collision. The flat bottom mud boat did not respond well to the turning action and began to slide. The two vessels ended up colliding in the pipeline. The vessel being operated by Operator1 ended up on top of the mud boat. During the collision, the mud boat sank and the operator and passenger sustained minor injuries. Operator1 assisted the two kids with pulling the mud boat to a safer location and brought them to the camp ground on South Pass. When they got to the camp ground, PPSO was notified of the accident. Alcohol and drugs were not a contributing factor in this incident All three subjects were wearing the required PFD's when the incident occurred.