BD-5 videos, parts, and resources to get builders flying faster. A complicated teardrop microplane, the Bede BD-5 Micro is a single-seat aluminum homebuilt kit created in the 1960s. Small form factor and retractable gear often land BDs at airshows, aerobatics displays, and stunt shows. Also the BD-5J (AcroStar) with a single turbine microjet engine rather than piston engine and pusher propeller.