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The Sikorsky Cypher and Cypher II are types of unmanned aerial vehicles developed by Sikorsky Aircraft. They are vertical takeoff and landing aircraft which use two opposing rotors enclosed in a circular shroud for propulsion.
The ACME Anser was an amphibious twin-jet utility aircraft that was developed in the United States by Air Craft Marine Engineering in 1958. The project was cancelled before the prototype was complete.
The Helio Courier is a cantilever high-wing light C/STOL utility aircraft designed in 1949.
The Sikorsky HH-52 Seaguard was a single turbine engine, three-blade rotor amphibious helicopter. Originally developed as a commercial venture by the Sikorsky Aircraft Corporation of Stratford, Connecticut, it was used by the United States Coast Guard primarily for air-sea rescue. The HH-52 has been replaced by non-amphibious types such as the HH-65 Dolphin, which rely solely on the use of a winch from a low hover to conduct rescue operations.
The Grumman J2F Duck is an American single-engine amphibious biplane. It was used by each major branch of the U.S. armed forces from the mid-1930s until just after World War II, primarily for utility and air-sea rescue duties. It was also used by the Argentine Navy, who took delivery of their first example in 1937. After the war, J2F Ducks saw service with independent civilian operators, as well as the armed forces of Colombia and Mexico.
The Sikorsky R-4 is a two-seat helicopter designed by Igor Sikorsky with a single, three-bladed main rotor and powered by a radial engine. The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1. In British service it was known as the Hoverfly.
The Lockheed YO-3 Quiet Star is an American single-engined, propeller-driven aircraft that was developed for battlefield observation during the Vietnam War. Designed to be as quiet as possible, it was intended to observe troop movements in near-silence during the hours of darkness.
The Stinson L-1 Vigilant was a 1940s American light observation aircraft built by the Stinson Aircraft Company at Wayne, Michigan. The aircraft was operated by the United States Army Air Corps as the O-49 until 1942.
The Waco CG-4 was the most widely used American troop/cargo military glider of World War II. It was designated the CG-4A by the United States Army Air Forces, and given the service name Hadrian by the British.
The Saro A.21 Windhover was a British amphibious aircraft from the period between World War I and World War II, constructed by Saunders-Roe, or Saro. It was originally advertised as the A.19 Thermopylae after the famous clipper ship, being an enlarged version of the Saro Cutty Sark.
The Timm N2T Tutor is an American training monoplane built by the Timm Aircraft Corporation for the United States Navy as the N2T-1.
The Martin Marietta Model 845 was a remotely piloted aircraft developed in the United States in the late 1960s and early 1970s for use as a communications relay in the Vietnam War.
The Laister-Kauffmann TG-4 was a sailplane produced in the United States during the Second World War for training cargo glider pilots. It was a conventional sailplane design with a fuselage of steel tube construction and wooden wings and tail, covered all over with fabric. The pilot and instructor sat in tandem under a long canopy.
The Pratt-Read TG-32 was a 1940s American military training glider, designed and built by the Gould Aeronautical Division of the piano manufacturer Pratt, Read & Company of Deep River, Connecticut, for the United States Navy. The Pratt-Read glider was a monoplane glider having a fabric-covered steel tube fuselage and wooden wings and tail. The unique "polywog (tadpole)" shape was the suggestion of aerodynamicist Charles Townsend Ludington, former owner of the Ludington Line.
The Sikorsky XP2S was an American biplane patrol flying boat developed for the United States Navy during the early 1930s.
The Snead CG-11 was a proposed Second World War American transport glider to be built for the United States Army, none were built and the programme was cancelled.
The Snead LRH was a proposed amphibious transport glider design for the US Navy during World War II.
The AGA Aviation CG-9, company designation AGA Aviation G.5 was a proposed Second World War American transport glider to be built for the United States Army Air Force (USAAF), none were built and the programme was cancelled.
The Nihon L7P was a Japanese military seaplane built in World War II in the early 1940s.
References
- 1 2 Heyman, Jos. "UNITED STATES MILITARY AIRCRAFT : NAVY : G = AGA Aviation (1942)" (PDF). usmilitaryaircraft. Retrieved 27 January 2019.
