Czechoslovak two-seat biplane.

Function: military trainer

Manufacturer: Aero (licensed production, originally Hansa-Brandenburg B.I)

Produced: 1919 – 1923

Wingspan: 12,3 m

Lenght: 8,5 m

Max. takeoff weight: 970 kg

Max. speed: 110 km/h

Engine: Mercedes D.I liquid-cooled inline engine, 74 kW

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Scale aircraft Aero Ae-10.21, scratch build

Wingspan: 2,5 m

Engine: Laser 150