Cases involving individuals who have been injured in crashes and collisions involving helicopters. A Helicopter Accident is an occurrence associated with the operation of an aircraft which takes place between the time any person boards the helicopter with the intention of flight and all such persons have disembarked, in which a person is fatally or seriously injured, the aircraft sustains damage or structural failure and/or the aircraft is missing or is completely inaccessible.
Midpines is an unincorporated community in Mariposa County, California. It is located 12 miles (19 km) southwest of El Portal, at an elevation of 2585 feet (788 m). It lies among the Sierra Nevada foothills of the central part of the state, 6 to 10 miles north of Mariposa, the county seat. It is composed of scattered residential areas along both sides of State Route 140, which is one of three principal routes to Yosemite National Park, some 30 miles to the east of Midpines. Midpines began as a resort, founded by Newell D. Chamberlain, in 1926. The first post office opened in 1929.