Secondary airfoil apparatus, system, and method for improving lift and aerodynamic performance of a floatplane

A system for improving lift and aerodynamic performance of a floatplane, the system comprising:

• a pair of spaced floats, each having an upper surface;
• a secondary airfoil;
• and
• a plurality of attachment arms, each attachment arm extending from an exterior side surface of the secondary airfoil and toward the adjacent float of the spaced floats for fixedly connecting the secondary airfoil to upper surfaces of the respective pair of spaced floats, the plurality of attachment arms being spaced along a length of the exterior side surfaces.

A method for improving lift and aerodynamic performance of a floatplane, the floatplane including a primary airfoil, a first float, and a second float, the method comprising:

• providing a secondary airfoil apparatus including:
• an airfoil including a front end, a trailing end, and opposed exterior side surfaces;
• and
• at least one attachment arm extending from the airfoil;
• and
• securing the at least one attachment arm of the secondary airfoil apparatus to upper surfaces of the first float and the second float.