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.
Derry is a town in Rockingham County, New Hampshire, United States. The population was 34,021 at the 2000 census. Although it is a town and not a city, Derry is the fourth most-populous community in New Hampshire. The primary settlement in town, where over 66% of the population resides, is defined by the U.S. Census Bureau as the Derry census-designated place (CDP) and includes the densely-populated portions of the town centered on the intersection of New Hampshire Route 28 and New Hampshire Route 102.