Koolhoven F.K.56 ‹› Overview The Koolhoven F.K.56 was a 1930s Dutch basic training monoplane designed and built by Koolhoven. Specifications Aircraft Roles Trainer Aircraft Country Netherlands Timeline 1930s Manufacturer Koolhoven aircraft View on Wikipedia → ◀ Koolhoven F.K.51 Fokker D.XVII ▶ Similar Aircraft Koolhoven F.K.51 Netherlands 1930s Fokker S.IX Netherlands 1930s Fokker S.14 Machtrainer Netherlands 1950s Fokker S-11 Netherlands 1940s Fokker S-13 Netherlands 1940s Fokker S.IV Netherlands 1920s