The Aero A.34 Kos was a small sports and touring biplane built in Czechoslovakia in the 1930s.
Variants
• A.34 • A.34J • A.34W : Three aircraft powered by the 105 hp (78 kW) Walter Junior inline piston engine. • A.134 : One prototype powered by the 130 hp (97 kW) Walter NZ 85 radial piston engine. ==Specifications (A.34)==