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.
Protivin is a city in Chickasaw and Howard counties in the U.S. state of Iowa. The population was 317 at the 2000 census. Early settlers named the city after the Bohemian town of Protivín in what is now the south of the Czech Republic.