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.
Johnson City is a city in Carter, Sullivan, and Washington counties in the U.S. state of Tennessee, with most of the city being in Washington County. The 2008 population for Johnson City was estimated at 61,990 by the United States Census, making it the eighth largest city in the state. Johnson City is currently ranked the #44 "Best Small Place for Business and Careers" in the USA by Forbes, and #8 "Best Place for African-Americans to Retire" in the USA by Black Enterprise Magazine. Johnson City is the principal city of the Johnson City Metropolitan Statistical Area, a metropolitan area that covers Carter, Unicoi, and Washington counties and which had a combined population of 195,849 as of 2008. The Johnson City MSA is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area – commonly known as the "Tri-Cities" region. The Tri-Cities is the fifth largest CSA in Tennessee with an estimated 500,538 people in residence.