Aero A.21

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 11 in)
Wingspan: 12.8 m (42 ft 0 in)
Height: 3.1 m (10 ft 2 in)
Wing area: 36.5 m² (393 sq ft)
Empty weight: 1,080 kg (2,381 lb)
Gross weight: 1,328 kg (2,928 lb)
Powerplant: 1 × Breitfeld & Danek Perun I 6-cyl. water-cooled in-line piston engine, 130 kW (180 hp)

Performance

Maximum speed: 170 km/h (106 mph; 92 kn)
Service ceiling: 6,500 m (21,300 ft)
Rate of climb: 2.35 m/s (463 ft/min)
Wing loading: 36 kg/m² (7.4 lb/sq ft)
Power/mass: 0.100 kW/kg (0.06 hp/lb)

Aircraft produced by Aero Vodochody
1919-1938	Ae 01 Ae 02 Ae 03 Ae 04 Ae 10 A.8 A.10 A.11 A.12 A.14 A.15 A.17 A.18 A.19 A.20 A.21 A.22 A.23 A.24 A.25 A.26 A.27 A.29 A.30 A.32 A.34 A.35 A.38 A.42 A.46 A.100 A.101 A.102 A.104 A.125 A.130 A.134 A.200 A.204 A.230 A.300 A.304 A.330 A.430
1945-1992	Ae 45 Ae 50 Ae 145 Ae 245 Ae 345 L-29 L-39 L-59 L-60
1993-present	L-39NG L-159 Ae 270
Under licence	C-3 C-103 D-44 MB.200

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