US homebuilt aerobatic biplane.

Function: aerobatic

Manufacturer: Steen Aero Lab Inc. (designer Lamar Steen)

Produced: 1970 –

Wingspan: 7,32 m

Lenght: 5,79 m

Max. takeoff weight: 748 kg

Max. speed: 233 km/h

Engine: Lycoming HO-360-B1B piston engine, 130 kW

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Scale biplane, scratch build

Wingspan: 1,56 m

Engine: AXI 4120/18