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.
Osborn is a city in Clinton and De Kalb Counties in the U.S. state of Missouri. The population was 455 at the 2000 census. The Clinton County portion of Osborn is part of the Kansas City, MO–KS Metropolitan Statistical Area, while the DeKalb County portion is part of the St. Joseph, MO–KS Metropolitan Statistical Area.