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In 1941, Igor Sikorsky fitted utility floats (also called pontoons) to the Vought-Sikorsky VS-300, making the first practical amphibious helicopter. [3] [5] In the 1940s and 1950s, some models of helicopter such as the Bell 47 and 48 and the Sikorsky R-4 and R-6 [6] were fitted with utility floats so that they could rest on both water and land.
Beriev Be-200 filling water tanks in the Mediterranean Sea while in operation during the 2010 Mount Carmel forest fire. The Beriev Be-200 Altair (Russian: Бериев Бе-200 «Альтаир») is a jet-powered amphibious flying boat of utility type designed and built by the Beriev Aircraft Company.
Navier Boat is an American maritime technology company based in the San Francisco Bay Area. [ 1 ] [ 2 ] [ 3 ] It specializes in designing and manufacturing advanced electric boats and maritime systems, including hydrofoil and hull design, foil control systems , and autonomous navigation.
It flew using lift generated by the ground effect acting on its large wings when within about four metres (13 ft) above the surface of the water. Although they might look similar to traditional aircraft, ekranoplans like the Lun are not classified as aircraft, seaplanes , hovercraft , or hydrofoils .
Two floats are common, but other configurations are possible. Only the floats of a floatplane normally come into contact with water. The fuselage remains above water. Some small land aircraft can be modified to become float planes, and in general, floatplanes are small aircraft.
When any boat displaces a weight of water equal to its own weight, it floats. This is often called the "principle of flotation": A floating object displaces a weight of fluid equal to its own weight. Every ship, submarine, and dirigible must be designed to displace a weight of fluid at least equal to its own weight.
A pontoon boat is a flattish boat that relies on nautical floats for buoyancy. Common boat designs are a catamaran with two pontoons, or a trimaran with three. [2] In many parts of the world, pontoon boats are used as small vehicle ferries to cross rivers and lakes. [3] An anchored raft-like platform used for diving, often referred to as a pontoon
Three Canadair CL-215 amphibious flying boats. The following is a list of seaplanes, which includes floatplanes and flying boats.A seaplane is any airplane that has the capability of landing and taking off from water, while an amphibian is a seaplane which can also operate from land.
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