The Shvetsov M-11 is a five-cylinder air-cooled radial aircraft engine produced in the Soviet Union between 1923 and 1952.
The ANBO IV was a reconnaissance aircraft used by the Lithuanian Air Force in World War II, designed by Lithuanian aircraft designer Antanas Gustaitis. The Lithuanian ANBO 41 was far ahead of the most modern foreign reconnaissance aircraft of that time in structural features, and most importantly in speed and in climb rate. All ANBO 41 aircraft were likely destroyed during World War II.
The Armstrong Siddeley Mongoose is a British five-cylinder radial aero engine produced by Armstrong Siddeley. Developed in the mid-1920s it was used in the Hawker Tomtit trainer and Parnall Peto seaplane amongst others. With a displacement of 540 cubic inches (9 litres) the Mongoose had a maximum power output of 155 horsepower (115 kilowatts).
In the 1930s, Fleet Aircraft manufactured a series of single-engined, two-seat training aircraft, based on US designs. The Fleet Model 7B and Model 7C, known respectively as Fawn I and Fawn II were purchased by the RCAF as primary trainers. After years of reliable service, many were available for use in the British Commonwealth Air Training Plan during the Second World War while others remained as station "hacks."
The ANBO I was a single-seat aircraft developed in Lithuania, proposed as a trainer for the Army It was a low-wing, braced monoplane of conventional tailwheel configuration. The fuselage structure was of fabric-covered welded steel tube, The wing had a wooden, two-spar structure and was fabric covered but the fuselage, also fabric covered, had a welded steel tube structure.
The ANBO II was a parasol-wing monoplane aircraft built in Lithuania in 1927 as a pilot trainer for the Army. It was the first Lithuanian trainer aircraft of own design. It was eventually reequipped with more powerful engine for the Aero Club of Lithuania in 1931 before being written off after a crash in 1934.
The ANBO V was a parasol wing monoplane training aircraft designed for the Lithuanian Army in 1931. A developed version, the ANBO 51 followed in 1936 and 1938.
The Armstrong Siddeley Genet Major is a British five-cylinder, air-cooled, radial engine for aircraft, designed and built by Armstrong Siddeley and first run in 1928. It developed 140 horsepower (104 kW). In Royal Air Force use the seven-cylinder version was known as the Civet I. The Feliform names used are in line with company convention, the Genet and Civet both being large cat-like carnivores.
The Avro 627 Mailplane was a British biplane developed in 1931 by Avro from the Avro Antelope bomber as a mail plane for use in Canada. Only one was built which ended up being used as a test bed.
The Blackburn L.1 Bluebird was a British single-engine biplane light trainer/tourer with side-by-side seating, built in small numbers by Blackburn Aircraft in the 1920s.
The Armstrong Siddeley Tiger was a British 14-cylinder air-cooled aircraft radial engine developed by Armstrong Siddeley in the 1930s from their Jaguar engine. The engine was built in a number of different versions but performance and dimensions stayed relatively unchanged. The Tiger VIII was the first British aircraft engine to use a two-speed supercharger.
The Fairchild 22 Model C7 was an American two-seat touring or training monoplane designed and built by the Kreider-Reisner division of the Fairchild Aircraft Corporation at Hagerstown, Maryland.
The Heinkel HE 8 was a reconnaissance floatplane built in Germany in the late 1920s. It was developed at the request of the Danish Navy, which had noted the success of the HE 5 in Swedish service, and wished to purchase a similar aircraft as well as licensed production as the Orlogsvaerftet HM.II. Apart from its new Armstrong Siddeley engine, the HE 8 also differed from the HE 5 and previous members of the HE 1 family in having a conventional empennage. 22 aircraft were operated until the German invasion in 1940, after which one example was impressed into Luftwaffe service and the remainder placed in storage.
The PWS-51 was a Polish sports plane of 1930, a single-engine low-wing monoplane, constructed by the Podlaska Wytwórnia Samolotów (PWS), that remained a prototype.
The Bristol Babe was a British-built light single-seat biplane, intended for the private flyer and produced immediately after the First World War. Only two flew.
The Vickers Viastra was an all-metal 12-seat passenger high-wing monoplane, with variants powered by one, two and three engines. Two twin-engined Viastras operated commercially in Australia from 1931-6; another served as a Royal transport.
The Fairey Ferret was a 1930s British general-purpose biplane designed and built by the Fairey Aviation Company. It performed well in trials but was not ordered into production.
The ANBO VIII was a Lithuanian bomber-reconnaissance monoplane designed by Antanas Gustaitis and built by Karo Aviacijos Tiekimo Skyrius.
The SEA.1 was a Belgian, multi-purpose, light twin engine monoplane flown in 1936. Only one was built; it was later converted into a single engine aircraft and used by the military.
The Caspar CJ 14 was a German fighter aircraft prototype built in the 1920s.
