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.
Jefferson is an unincorporated community located in Frederick County, Maryland, established in 1774, incorporated as a town in 1831. However, a year later, in 1832, the citizens of the town decided that municipal government is unnecessary, thus, it was disincorporated.