The Hirth Hi 27 Acrostar was designed by Arnold Wagner to win aerobatic competitions, in part by having handling independent of orientation, upright or inverted. A single engine, single seat low-wing monoplane, it was built in West Germany by Wolf Hirth GmbH in the early 1970s, and dominated Championships for a brief period.
Role: Aerobatic aircraft
National origin: West Germany
Manufacturer: Wolf Hirth GmbH
Designer: Arnold Wagner
First flight: 16 April 1970
Number built: 10