Helicopter history

German aviator (1912–1979)

utility helicopter family by Mil

utility helicopter family by Sud Aviation

prototype heavy transport helicopter

1942 utility helicopter family by Sikorsky

German helicopter

1940 helicopter series by Focke-Achgelis

1936 helicopter model by Focke-Achgelis; first functional practical helicopter

1943 multi-role helicopter by Sikorsky

individual United States Navy helicopter flown in support of NASA

type of aircraft

American experimental helicopter

French engineer and helicopter designer (1884-1955)

helicopter family by the Bristol Aeroplane Company

Argentine engineer (1890-1966)

helicopter powered solely by human activity

1955 turboshaft engine family by Lycoming

Greek robber

1947 turboshaft engine family by Turbomeca

thumb|upright=1.4|Dutch Grasshoppers aerobatics team, flying the Aérospatiale Alouette III|Alouette helicopters they used in the world premiere of the Helicopter String Quartet The Helikopter-Streichquartett () is one of Karlheinz Stockhausen's best-known pieces, and one of the most complex to perform. It involves a string quartet, four helicopters with pilots, as well as audio and video equipment and technicians. It was first performed and recorded in 1995. Although performable as a self-sufficient piece, it also forms the third scene of the opera Mittwoch aus Licht ("Wednesday from Light"),

Three Provisional Irish Republican Army (IRA) volunteers escaped from Mountjoy Prison in Dublin, Ireland, aboard a hijacked Alouette II helicopter, which briefly landed in the prison's exercise yard

helicopter

1974 incident in which a US Army pilot landed a stolen helicopter on the White House's south lawn

American turboshaft engine

1965 riots in Morocco

2009 robbery in Sweden

thumb|Flettner rotors (at the E-Ship 1)