A plane crashed in the mountain range of Madison County between Big Sky and Ennis Lake with three people on board. According to a Federal Aviation Adminsitration Preliminary Accident report the plane was a Cessna 337F fixed wing multi-engine aircraft that crashed under unknown circumstances. The plane left Helena on Thursday morning. Search and Rescue teams located the crash site around 3 p.m. in the mountainous terrain in southwest Montana. One passenger has died and the other two were both life flighted and are being treated. One injured passenger went to East Idaho Regional Medical Center and the other to Bozeman Health Deaconess Hospital.