The Koolhoven F.K.58 was a single engine, interceptor-fighter aircraft designed and mainly manufactured by N V Koolhoven in the Netherlands under contract by France. Intended for Armée de l'Air use, the F.K.58 saw limited service in the Battle of France.
The Fokker G.I was a Dutch twin-engined heavy fighter aircraft comparable in size and role to the German Messerschmitt Bf 110. Although in production prior to World War II, its combat introduction came at a time the Netherlands were overrun by the Germans. The few G.Is that were mustered into service were able to score several victories. Some were captured intact after the Germans had occupied the Netherlands. The remainder of the production run was taken over by the Luftwaffe for use as trainers.
The Fokker C.X was a Dutch biplane scout and light bomber designed in 1933. It had a crew of two.
NVI F.K.31 was a Dutch designed parasol wing two seat reconnaissance-fighter, which was developed in the 1920s by Frederick Koolhoven. The aircraft saw some service in the Finnish Air Force.
Desoutter is a British monoplane liaison aircraft manufactured by Desoutter Aircraft Company at Croydon Aerodrome, Surrey.
Friedrichshafen FF.49 was a German, two-seat, single-engine float-plane designed by Flugzeugbau Friedrichshafen in 1917.
The BAT F.K.23 Bantam was a British single-seat fighter biplane produced by British Aerial Transport Company Limited of London during World War I.
The BAT F.K.26 was a British single-engined four-passenger biplane transport aircraft produced by British Aerial Transport Company Limited of London at the end of World War I.
The Koolhoven F.K.43 was a small four-seat, single-engined monoplane passenger aircraft manufactured by Koolhoven in the Netherlands. It was a direct successor of the F.K.41.
The Koolhoven F.K.51 was a 1930s Dutch two-seat basic training biplane built by the Koolhoven Company.
The Koolhoven F.K.50 was a 1930s Dutch eight-passenger light transport monoplane designed and built by Koolhoven.
The Koolhoven F.K.46 was a 1930s Dutch training biplane designed and built by Koolhoven.
The NVI F.K.33 was an airliner built in the Netherlands in 1925 for use by KLM for night flying.
The Koolhoven F.K.40 was a small airliner built in the Netherlands in 1928 for KLM Royal Dutch Airlines. It was a conventional high-wing cantilever monoplane powered by a single engine in the nose. The fuselage was made of welded steel tube construction with a wooden wing skinned in plywood and held in place by four bolts to facilitate removal. The cabin was spacious for an aircraft of its size, and was intended to be readily reconfigured for passengers, mail, or freight. Although up to six seats could be fitted, the only F.K.40 built flew with four.
The Koolhoven F.K.49 was a photographic survey aircraft built in the Netherlands in 1935.
The BAT F.K.25 Basilisk was a prototype British fighter aircraft of the First World War. A single engined biplane intended to meet a requirement to replace the Sopwith Snipe, the Basilisk was unsuccessful, only three being built.
The Koolhoven F.K.56 was a 1930s Dutch basic training monoplane designed and built by Koolhoven.
The Caproni Ca.335 Maestrale (Mistral) was an Italian single-engined two-seat fighter-bomber/reconnaissance aircraft of the 1930s.
The BAT F.K.27 was a two-seater sporting biplane designed by Frederick Koolhoven and built by the British Aerial Transport Company Limited (BAT) in 1918.
The Koolhoven F.K.54 was a Dutch single-engine, three-seat touring aircraft with a retractable undercarriage. It flew shortly before the start of World War II and its development was abandoned after its first flight as attention turned to military aircraft.
