. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "22770"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "List of accidents and incidents involving helicopters"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "This article is a list of accidents and incidents involving helicopters and which are notable enough to have an article on Wikipedia. It is grouped by the years in which the accidents and incidents occurred."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1120317410"^^ . . . . . . . . . . . . . . . . . . . . "42209969"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . "This article is a list of accidents and incidents involving helicopters and which are notable enough to have an article on Wikipedia. It is grouped by the years in which the accidents and incidents occurred."@en . . . . . . . . . . . . . .