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Aero A.21
Role Night trainer aircraft
Manufacturer Aero Vodochody
Primary user Czech Air Force

The Aero A.21 was a biplane military trainer aircraft developed in Czechoslovakia from the Aero A.11 reconnaissance-bomber. The aircraft was developed specifically as a night-trainer, to teach Czech Air Force pilots instrument flying techniques.

Specifications (A.21)

General characteristics

  • Crew: 2
  • Length: 8.2 m (26 ft)
  • Wingspan: 12.8 m (43 ft 0 in)
  • Height: 3.1 m (10 ft)
  • Wing area: 36.5 m² (393 ft²)
  • Empty weight: 1,080 kg (2,380 lb)
  • Loaded weight: 1,328 kg (2,922 lb)
  • Powerplant: 1 × Breitfeld & Danek Perun I, 180 hp (130 kW)

Performance

  • Maximum speed: 170 km/h (92 knots, 110 mph)
  • Range: km (nm, mi)
  • Service ceiling: 6,500 m (21,000 ft)
  • Rate of climb: 2.35 m/s (461 ft/min)
  • Wing loading: 36 kg/m² (7.4 lb/ft²)
  • Power/mass: 100 W/kg (0.06 hp/lb)

Operators

  • Czechoslovakia.

See also

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