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.
Frederick is a city in west-central Maryland, United States. It is the county seat of Frederick County, the largest county by area in the state of Maryland. Frederick is an outlying community of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area, which is part of a greater Washington-Baltimore-Northern Virginia, DC-MD-VA-WV Combined Statistical Area. As of the 2008 U.S. Census Bureau estimates, the city has a total population of 59,213, making it the third-largest incorporated area in Maryland, behind Baltimore and Rockville. Frederick is home to Frederick Municipal Airport (FDK), which primarily accommodates general aviation traffic, and to the U.S. Army's Fort Detrick, the largest employer in the county. Frederick is also home to BP Solar, which is the second-largest employer in the county.