AUTO ACCIDENT W/ENTRAPMENT- At 8:46 PM Squad 7 was alerted to assist Company 16 (South Mountain Fire Department) for an auto accident with entrapment in the area of 3500 Rocky Mountain Road North.  Squad 7 arrived on the scene with 5 personnel and assisted with the extrication of a single vehicle over the embankment with heavy entrapment.  A very extensive extrication was completed at 9:43 PM and the patient was transported to the landing zone.  Engine 7-1 with a crew of 4 handled the landing zone for Life Net 81 at the Caledonia State Park.