Tags: Aircraft.
The Spratt Controlwing 107 was an unorthodox controlwing flying boat designed in the United States in the 1960s and marketed for home building in the 1970s.The aircraft featured a flat speedboat-like hull with a square bow and with tailfins blended into each side. The fins were angled to form a butterfly tail and included no moving surfaces. The wings were mounted on struts parasol-style and also contained no moving surfaces.