The Koolhoven F.K.47 was a 1930s one-off two seat biplane designed and built in the Netherlands for an individual customer as a sport and touring aircraft.

Both were two seat, single bay biplanes, with equal span, unswept wings of constant chord and strong stagger, braced with N-form struts.

There was a shallow rounded cut-out in the trailing edge of this wing to enhance the upward view from the forward cockpit.

[1] The F.K.47 was powered by a 130 hp (97 kW) de Havilland Gipsy Major air-cooled inverted inline engine, driving a two blade propeller.

Three years later, flying between Rotterdam and Paris but off course he landed at a military field where tensions had been raised by the recent German occupation of the Rhineland.