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The Boeing XF6B-1 / XBFB-1 was Boeing's last biplane design for the United States Navy. Only the one prototype, Model 236, was ever built; although first flying in early 1933, it rammed into a crash barrier in 1936 and the design was not pursued further.
The Bellanca CH-400 Skyrocket is a six-seat utility aircraft built in the United States in the 1930s, a continuation of the design lineage that had started with the Bellanca WB-2. Retaining the same basic airframe of the preceding CH-200 and CH-300, the CH-400 was fitted with a more powerful Pratt & Whitney Wasp radial engine.
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The Widerøe C.5 Polar, sometimes known as the Honningstad C.5 Polar, was a Norwegian general-purpose land or floatplane built by Widerøes Flyveselskap.
The Thomas-Morse O-19 was an American observation biplane built by the Thomas-Morse Aircraft Company for the United States Army Air Corps.
The Koolhoven F.K.50 was a 1930s Dutch eight-passenger light transport monoplane designed and built by Koolhoven.
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The Spartan C4 was an American four-seat cabin monoplane designed and built by the Spartan Aircraft Company.
The Waco E series is a small family of American-built cabin biplanes built between 1939 and 1942, which differed primarily by engine installation.
The Solar MS-1 was an American prototype all-metal sesquiplane airliner built in 1930.
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The Sikorsky S-37 was an American twin-engine aircraft built by the Sikorsky Manufacturing Corporation. Both examples of the series were completed in 1927. The S-37 was specifically designed to compete for the Orteig Prize and would be the last land based fixed-wing aircraft Sikorsky would produce.
The Laird LC-B was a three seat, single-engined biplane, built for private owners in the U.S. in the late 1920s and offering a variety of engines. About 35 had been built before production ceased in the mid-1930s. Two have been restored to flight.
The Ireland Neptune was a four or five place pusher configuration biplane sold in flying boat and amphibian versions. Designed in the U.S. and first flown in 1927, well over 50 were built.
The Zenith Z-6 is a single engine biplane U.S. airliner built in the late 1920s. Its cabin, in the fuselage immediately behind its radial engine, holds five or six passengers depending on engine power. It is flown from an open cockpit further aft. Nine were completed and one has been restored to flight.
The Laird LC-EW was a six seat cabin sesquiplane designed for the industrialist George Horton. It first flew in 1934.
The Vought V-100 Corsair Junior was an attempt to produce a cheaper, multi-purpose, export version of the Vought O2U/O3U observation aircraft it had produced for the United States Navy. It did not sell, and only the prototype was built.
References
- Notes
- Bibliography
- "Spartan Model C-5-301". Aero Digest. April 1935.
- "C5-300, -301". Aerofiles. Retrieved 2011-02-27.
- The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing. p. 2955.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 835.