Claim: InterPlane Aircraft introduced their first design in 1992 along with the strut-braced high wing InterPlane Skyboy.
Evidence: The company's first design, introduced in 1992, was the InterPlane Griffon, a single-seat, strut-braced, high wing kit plane for the US FAR 103 Ultralight Vehicles category. The same year the company introduced the two seats in side-by-side configuration, strut-braced high wing InterPlane Skyboy, which was supplied only as a complete ready to fly aircraft.