04/30/2008. Remarks by Walter van Tilborg: "Original homebuilt aircraft for two to four persons. The one-of-a-kind aircraft had a cantilever wing and was powered by one 130 hp Continental IO-240-A engine. The Gerfaut (Gyrfalcon) had been designed and built by James Bredelet and Louis Gros and first flew on September 4, 1982."