In 1928, the company finally struck gold with the three seat FK-41 high-wing tourist monoplane. Although N.V. Koolhoven itself only built 7 Fk-41’s the airplane was built in license in England as the Desoutter Mk.I and later improved as the Mk.II.
Desoutter Mk 1
Engine: Cirrus.
Desoutter II
Engine: Gypsy Major IC
All Aero 