RedactedNarrative: Victim was learning how to ski and was trying to from two skies to one. While she was in the process of placing her foot on the one ski her foot hit the water causing her to fall. Victim was in extreme pain so subject grabbed a pfd and jumped into the water to render aid to victim. Victim was complaining of pain around her knee and she was unable to board the boat completely. Victim was transport to shore where she was taking to an ambulance. Later victim was air lifted due to having a femur fracture.