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.
Topaz (also, Topaz Post Office) is an unincorporated community in Mono County, California. It is located 3 miles (4.8 km) north of Coleville, at an elevation of 5033 feet (1534 m). Topaz's ZIP Code is 96133. According to the Mono County's government website, the population as of 2000 was 530.