Ultimate Aerobatics Ltd
Ultimate Aircraft Corp
Ultimate Biplane Corp
Put on to market in 1980s kits to modify Pitts Special aerobatic biplane to improve performance.
Ultimate Aircraft Corp was founded 1990 to market modified Pitts Special aerobatic biplane in plans, kits and assembled forms, plus series of aerobatic/competition biplanes as 10 Dash 100,10 Dash 200,10 Dash 300 single-seaters, and two-seat 20 Dash 300.