The Aero A.26 was a Czechoslovakian military reconnaissance biplane aircraft built by Aero Vodochody in the 1920s. It was Aero's last design to be based on the Hansa-Brandenburg B.I aircraft that the company had been building under licence during World War I as the Ae.10.

It first flew in 1923 and a small series was built. They were later used in the Czechoslovak civilian aviation.

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General characteristics

• Crew: 2
• Length: 8.3 m (27 ft 3 in)
• Wingspan: 12.3 m (40 ft 4 in)
• Wing area: 38.5 m² (414 sq ft)
• Empty weight: 882 kg (1,944 lb)
• Gross weight: 1,196 kg (2,637 lb)
• Powerplant: 1 × BMW IIIa 6-cylinder water-cooled in-line piston engine, 138 kW (185 hp)

Performance

• Maximum speed: 158 km/h (98 mph, 85 kn)
• Cruise speed: 120 km/h (75 mph, 65 kn)
• Service ceiling: 6,000 m (20,000 ft)
• Rate of climb: 2.25 m/s (443 ft/min)
• Wing loading: 31 kg/m² (6.3 lb/sq ft)
• Power/mass: 0.120 kW/kg (0.073 hp/lb)

Armament

• 1 × Machine-gun
• Light bombs

•  Czechoslovakia

Related development

• Hansa-Brandenburg B.I
• Aero A.14

• Photo at Ugolok Neba site
• Photos