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.
Oxon Hill is part of the Oxon Hill-Glassmanor census-designated place (CDP) in southern Prince George's County, Maryland, United States. Oxon Hill is located immediately south of Washington, DC and east of Alexandria, Virginia. It is the home of the new 300-acre (1.2 km) National Harbor development on the shore of the Potomac River .