Aircraft Spruce & Speciality of Fullerton, California, has introduced the Rihn 109 tandem-seat aerobatic kitplane to supersede the Dan Rihn-designed, single-seat, One Design. Available as a $50,000 kit, the 109 has a wooden wing and fabric-covered steel-tube fuselage and empennage and is suitable for aerobatic training and unlimited competition.
Source: Flight International