RedactedNarrative: V2 was traveling on Black Creek pulling a wake boarder. V1 was following behind V2. The wake boarder fell directly behind V2. V1 did not see the wake boarder in the water until the last second and made a hard turn to the right, trying to avoid the wake boarder. The wake boarder attempted to dive down to avoid being hit by V1. The wake boarder was struck by V1 and the prop contacted the skiers left leg at the knee resulting in serious injury requiring surgery and rehibilitation.