The Pietenpol Air Camper is a simple parasol wing homebuilt aircraft designed by Bernard H. Pietenpol. The first prototype that became the Air Camper was built and flown by Pietenpol in 1928.
The Bensen B-8 is a small, single-seat autogyro developed in the United States in the 1950s. Although the original manufacturer stopped production in 1987, plans for homebuilders are still available as of 2019. Its design was a refinement of the Bensen B-7, and like that aircraft, the B-8 was initially built as an unpowered rotor-kite. It first flew in this form in 1955, and on 6 December a powered version, designated B-8M first flew. The design proved to be extremely popular and long-lasting, with thousands of sets of plans sold over the next thirty years.
The Stearman XA-21 was a competitor in a United States Army Air Corps competition for a twin-engined attack aircraft which led to the Douglas A-20 Havoc, Martin A-22 Maryland and North American B-25 Mitchell.
The VL Tuisku was a Finnish trainer aircraft designed in the 1930s. It was a two-seat, single-engined biplane with a welded steel framework, covered with fabric. 30 were produced for the Finnish Air Force and served from 1935 to 1949.
The Boeing P-29 and XF7B-1 were an attempt to produce a more advanced version of the highly successful P-26. Although slight gains were made in performance, the U.S. Army Air Corps and U.S. Navy did not order the aircraft.
The Arrow Sport was a two-seat sporting biplane aircraft built in the United States in the 1920s and 1930s.
The SAI KZ II was a sport aircraft built in Denmark in 1937, produced in three major versions before and after the Second World War.
The Payne Knight Twister is a single-seat, single-engine aerobatic sport aircraft first flown by Vernon Payne Sr. in the United States in 1932 and marketed in plans form for homebuilding.
The Waco 10/GXE/Waco O series was a range of three-seat open-cockpit biplanes built by the Advance Aircraft Company, later the Waco Aircraft Company.
The Waco 9 is an American-built three-seat biplane design that first flew in 1925.
The Stout Skycar was a series of four one-off American light aircraft of the 1930s.
The Spartan C2 is a light aircraft produced in the United States in the early 1930s as a low-cost sport machine that would sell during the Great Depression.
The Church Midwing JC-1, a.k.a. Church Mid-Wing Sport, is a midwing racing aircraft designed by James Church using the fuselage of a Heath aircraft.
The Pietenpol Sky Scout is a parasol wing homebuilt aircraft designed by Bernard H. Pietenpol.
The Laird-Turner RT-14 Meteor, also called the Turner TR-14, Ring Free Meteor, PESCO Special, Miss Champion, Turner Special and the Turner Meteor was the winning aircraft of the 1938 and 1939 Thompson Trophy races.
The O'Neill Model J Magnum, also called the Magnum Jake and the Magnum Pickup, is a homebuilt aircraft design for bush flying operations similar to the de Havilland Beaver.
The Aerostar R40S Festival is a Romanian made ultralight and light-sport aircraft, designed and produced by Aerostar of Bacău. The aircraft is supplied as a complete ready-to-fly-aircraft.
The Team Mini-Max AeroMax is an American amateur-built aircraft and light-sport aircraft, produced by Team Mini-Max of Niles, Michigan. The aircraft is supplied as a kit for amateur construction.
The Fahlin SF-2 Plymocoupe was a high-wing, cantilever type, prototype experimental airplane produced in 1935.
The RTAF-4Chanthra was a single-engine two-seat, single-engined primary trainer aircraft built by the Royal Thai Air Force's Science and Weapon Systems Development Centre.
