It remains one of the world\u0027s most popular homebuilts with thousands of plans sold and hundreds of examples completed to date. \u00a0 \nJim Bede designed the BD-4 to be the first real "kitplane" in the world. The design was based on a high-wing cantilever monoplane of conventional design, able to be fitted either with a tailwheel or a tricycle undercarriage. When building the plane, it was also possible to choose between a two-seat or four-seat version. \u00a0 \nFor details of the design and variants, click here. More extensive specifications here.