Claim: The aircraft, developed from the Avid Flyer and the Denney Kitfox, has a 4130 steel tube frame fuselage and a wing constructed from aluminium tubing, all covered in doped fabric.
Evidence: The design was developed from the Avid Flyer and the Denney Kitfox and the designer formerly worked for both those companies. The Flying K Sky Raider is a family of American, high wing, strut-braced, single engine, conventional landing gear ultralight aircraft that was designed by Ken Schrader and produced by Flying K Enterprises and later Sky Raider LLC of Caldwell, Idaho for amateur construction. The aircraft has a 4130 steel tube frame fuselage and a wing constructed from aluminium tubing, all covered in doped fabric.