The de Havilland DH.87 Hornet Moth is a single-engined cabin biplane designed by the de Havilland Aircraft Company in 1934 as a potential replacement for its highly successful de Havilland Tiger Moth trainer. Although its side-by-side two-seat cabin made it closer in configuration to the modern aircraft that military trainee pilots would later fly, there was no interest from the RAF and the aircraft was put into production for private buyers.
The Fairchild F-11 Husky was a Canadian bush plane designed and manufactured in the post-Second World War era. Despite a promising design, a lack of a suitable powerplant hurt performance, and stiff competition from the de Havilland Beaver and de Havilland Otter designs meant the type never gained a solid foothold in the marketplace.
The Parnall Heck was a 1930s British four-seat cabin monoplane built by Parnall Aircraft Limited at Yate, Gloucestershire. Originally a Hendy design, few were built. It combined the strength and comfort of a cabin aircraft with the speed of a racer.
The Arrow Active is a British aerobatic aircraft built in the 1930s.
The Auster Avis was a four-seat light aircraft developed from the Auster Autocrat. It featured a redesigned fuselage incorporating four doors and a circular cross-section towards the tail, new undercarriage, and new wing flaps. It was planned in two versions, the Mk 1 for civil use, and the Mk 2 for military and air ambulance duties. However, only two prototypes were built, and Auster abandoned the project in favour of the Auster J-5 Autocar.
The Praga E.114 was a single-engine sport airplane, designed and manufactured by the Czechoslovakian company ČKD-Praga. Due to its light weight it was also called Air Baby.
The Miles M.5 Sparrowhawk was a 1930s British single-seat racing and touring monoplane designed by Miles Aircraft Limited.
The RWD 23 was a Polish low-wing trainer aircraft of 1938, constructed by the RWD team, that remained a prototype.
The Cranwell CLA.3 was a parasol winged single-engined, single-seat British aircraft built to compete in the Lympne air races of 1925. It was designed and built by an amateur group drawn from staff and pupils at the RAF College Cranwell. Though it won one prize and set a Class record, only one CLA.3 was made.
The RAE Zephyr was a single-seat, single-engined light pusher configuration biplane designed and built by the Aero Club of the Royal Aircraft Establishment (RAE) for the 1923 Lympne Motor Glider Competition. At a late stage the Aero Club chose to enter the more promising RAE Hurricane instead, using the Zephyr's engine, and the Zephyr itself was abandoned.
The RAE Scarab was a light single-engined single-seat parasol winged modification of the de Havilland Humming Bird, flying in the United Kingdom in 1932. Only one was built.
The CLW Curlew was a two-seat, single-engined training aircraft built partly to demonstrate a new wing structure. It flew successfully in the UK in 1936, but the company went bankrupt and only one Curlew flew.
The Carden-Baynes Bee was a 1930s British two-seat aircraft, with twin engines in pusher configuration buried in the wings. The wings rotated for storage. Financial problems limited the Bee to a single flight.
The British Aircraft Cupid was a two-seat, single-engined monoplane, a smaller version of the B.A. Eagle designed for touring and training. Only one was built.
The Comper Streak was a single-engined, single-seat racing monoplane built in the UK in the mid-1930s. It was not successful as a racer and only one was produced.
The Marendaz Trainer was a two-seat low-wing training aircraft built in the UK just before World War II. Only one was completed.
The Pobjoy Pirate was a three-seat, high-wing monoplane designed to compete with the de Havilland Leopard Moth using a low-power but light Pobjoy radial engine. Flight tests showed the Pirate to be uncompetitive and its development was rapidly abandoned.
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 CANT Z.1010 was a single engine, five seat Italian passenger aircraft flown in the mid-1930s. Only one was built.
The Flaeming Air FA 04 Peregrine is a German ultralight and light-sport aircraft, designed and produced by Flaeming Air of Zellendorf, Brandenburg. The aircraft is supplied as a complete ready-to-fly-aircraft.
