Curtiss Model K

Model K
General information
TypeFlying boat
National originUnited States of America
ManufacturerCurtiss
Primary userImperial Russian Navy
Number builtat least 51
History
First flightJanuary 1915
Developed fromCurtiss Model F

The Curtiss Model K, also known as the Model 4, was an American single-engined flying boat of World War I. It was an enlarged derivative of Curtiss's Model F and about 50 were built for export to the Imperial Russian Navy.