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.
Adin (formerly, Adinville and Aidenville) is an unincorporated community in Modoc County, California. It is located 29 miles (47 km) southwest of Alturas, at an elevation of 4203 feet (1281 m).