Fighter aircraft, central-float seaplane and sub-wing floats, biplane, single-seat, single-engine, mixed structure.
It had a fuselage of tubes covered in fabric and sheet metal, wooden gull-wing semi-wings that folded backwards, with a central wooden float and two lateral stabiliser floats.
They remained in service until 1944.
The MUSAM in Vigna di Valle (RM) exhibits one example.