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)
Data from On "nocturne" tchéoslovaque: l'Aero A-21
General characteristics
Crew: 2
Length: 8.10 m (26 ft 7 in)
Wingspan: 12.78 m (41 ft 11 in)
Height: 3.16 m (10 ft 4 in)
Wing area: 36.51 m2 (393.0 sq ft)
Empty weight: 950 kg (2,094 lb)
Gross weight: 1,240 kg (2,734 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 (110 mph, 92 kn)
Cruise speed: 150 km/h (93 mph, 81 kn)
Range: 340 km (210 mi, 180 nmi)
Service ceiling: 6,500 m (21,300 ft)
Time to altitude: 21 min 3 s to 3,000 m (9,800 ft)
Wing loading: 36 kg/m2 (7.4 lb/sq ft)
Operators
See also
Related development
Related lists
Citations
Bibliography
Kudlicka, Bohumir (February 2002). "On "nocturne" tchéoslovaque: l'Aero A-21" [Czech Nightlife: The Aero A-21]. Avions: Toute l'Aéronautique et son histoire (in French) (107): 53–55. ISSN 1243-8650 .
1919-1938 1945-1992 1993-present Under licence