Aero A.11
The Aero A.11 was a highly successful multi-faceted performer for the Czech Army Air Force in the interwar years between World War One and World War Two. Equally respected for its adaptability and capability, the A.11 was des...

ANF Les Mureaux 4
The ANF les Mureaux series of light observation aircraft first appeared in the inter-war years, specifically in the late 1920's and developed further into the 1930's. The Mureaux served as an important arm to the French milit...

Armstrong Whitworth Atlas
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Armstrong Whitworth Siskin
The Armstrong Whitworth Siskin (a siskin being a smallish yellow-tinged finch) was the primary air mount of many-a-Royal Air Force pilot in her heyday. She represented one of the earliest aircraft designs for the British in t...

Boeing F4B
The Boeing-produced F4B series of aircraft was produced in large quantities for the United States Army and the United States Navy (as the P-12). The aircraft was of simple biplane design with open cockpit, a static undercarri...

Boeing PW-9
The Boeing PW-9 series was based on the Model 15 aircraft. When evaluated by the US Army, the system was found to be quite the aircraft and ordered into a developmental stage with the XPW-9 series (a total of three were produ...

Breguet Bre.19
The French-designed and produced Breguet Bre.19 was designed to replace the Bre.14 but was actually developed and produced at the same time as the Bre.14 (and limited to use near the populated French cities). The Bre.19 sh...

Bristol Bulldog
In 1926, the British Air Ministry put forth a specification for a radial-piston engine fighter design that could operate in daytime and nighttime with armed with twin Vickers-type machine guns and capable of engaging the top ...

Consolidated PT-1 Trusty
The "Trusty" was a product of the Consolidated Aircraft Corporation (though designed under the brand of the Dayton-Wright Company, itself a company under parent General Motors) and accepted for service as a primary trainer of...

Curtiss F6C HAWK
The Curtiss F6C Hawk series of aircraft was in fact the US Navy/Marine model of the US Army's P-1 Hawk series. The US Navy found the P-1 attractive enough to begin fielding it as a carrier-based aircraft whilst the US Marines...

Curtiss P-6 Hawk
Originally based on the existing P-1B series of aircraft, the P-6 Hawk series was a first-line pursuit aircraft for the United States in the early 1930s. The Hawk became the last of the fighter biplanes built in quantity for...

Liore et Olivier LeO 25
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Martin MB-2 / NBS-1
The Martin MB-2 series of twin-engine bombers holds a distinct footnote in the history of United States bomber production as it was the first such system to be mass-produced with US origins. During the First World War, it was...

Nieuport Nighthawk
The Nieuport Nighthawk began as a design showing great promise. Development began in 1918, the final year of World War 1, and was the product of the Nieuport & General Aircraft firm - a British-based company started during th...

Witteman-Lewis XNBL-1 (Barling Bomber)
The Witteman-Lewis XNBL-1 (popularly known as the "Barling Bomber") was an ambitious heavy bomber design from Walter Barling, an engineer with the United States Army Air Service. The aircraft was designed to a US Chief of Sta...