Amphibious helicopters

anti-submarine helicopter family by Kamov

anti-submarine helicopter family by Mil

1959 helicopter family by Sikorsky

Soviet flying boat

1962 transport helicopter family by Sud Aviation

type of aircraft

transport helicopter family by Sikorsky

multi-role helicopter family by Westland

1958 transport helicopter family

multi-role helicopter family by Sikorsky

helicopter intended to land on and take off from both land and water