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F.K.57

N.V. Koolhoven Vliegtuigen · Netherlands · Interwar (1919–1938)

F.K.57 — Fixed Wing
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The Koolhoven F.K.57 was a twin-engined, gull-winged monoplane built in the Netherlands as a personal transport for the Director General of Royal Dutch Shell. Only one was made, flying chiefly in Europe in the year before World War II, but destroyed when Germany invaded the Netherlands in May 1940.

Specifications

Category
Fixed Wing
Domain
Civil
Era
Interwar (1919–1938)
Country
Netherlands
Manufacturer
N.V. Koolhoven Vliegtuigen
Co-Manufacturer
Rotterdam
Operator
J.E.F. de Kok
Service Entry
1938
Produced
1
Engine
2× 6-cylinder air-cooled inverted inline
Thrust / Power
205 hp each
Length (ft)
30
Wingspan (ft)
43
Empty Weight (lb)
3042
MTOW (lb)
4762
Service Ceiling (ft)
19685
Range (mi)
870
Max Speed (mph)
174