RedactedNarrative: Operator was towing his son 7 year old on a water tube. Subject fell off of the tube and swam to the boat to get on board. The operator thought the boat was in neutral and it was not. As Subject swam to the boat his leg was caught by the propeller causing a laceration on his thigh that required 20 stitches as well as a laceration on his calf resulting in 6 stitches. He was then transported to the nearest dock where they met ambulance 31-1 with Northampton County EMS. Subject along with his mother were then transported to CHKD in Norfolk with non life threatening injuries.