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. It was a quite successful design with good flying qualities. KLM purchased twelve aircraft and used it as a flying taxi and for pilot training. Two of these where build by Aviolanda. At the outbreak of World War II four F.K.43s were requisitioned by the Royal Netherlands Air Force.
Made by Koolhoven.
It is the successor of the Desoutter Mk.II .