RedactedNarrative: The son of the owner of the vessel borrowed the boat and had been pulling a tube with 2 people on it. The tube had flipped and the operator turned the boat around to go back to the parties and in the water. A passenger on the boat pulled the tube closer to the boat to try and flip. Operator stated he shut off engine and one of the persons in the water somehow kicked the prop, sustaining injury. The father stated that the prop was very sharp because it was brand new. The injured party said the prop was still going and sucked him in. The officer determined that the engine was running and the operator acted negligently by not keeping a proper lookout for his passengers whereabouts in the water therefore putting them in serious danger by leaving the engine running during their retrieval from the water at the stern of the vessel. He was issued a civil citation for same.