A boating accident at Lake Nacimiento over the weekend sent one person to the hospital. It happened late Saturday afternoon when two jet skis collided head-on. A bystander on a nearby boast helped rescue a female jet ski driver. Cal Fire SLO had a crew on scene within minutes. She was airlifted to an area hospital by a CHP Helicopter. The victim was last reported to be doing fine. The cause of the crash is under investigation.