RedactedNarrative: O1 was operating V1 on Twin Lakes in Kingsbury County. O1 had just launched V1 and was traveling on plane at speeds of approximately thirty miles per hour. O1 reached down to adjust a portable gas tank from the bottom of V1. O1 stated that they his head was down adjusting the gas tank for several seconds. After adjusting the portable gas tank O1 looked up, noticed V1 was off course and ran into a six foot high eroded bank of the lake. 
  
  O1 was thrown forward towards the bow of V1, landing on the floor of V1. O1 received lacerations on his ear and hand and bruising on his upper torso. O1 was assisted by other fisherman and V1 was towed to shore. On shore O1 transported his self to the hospital where he received treatment for his injuries. O1 was not wearing his personal floatation device.