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Avia 57
Role	14-passenger commercial transportType of aircraft
National origin	Czechoslovakia
Manufacturer	Avia
Designer	Robert Nebesář
First flight	16 January 1934
Number built	1

The Avia 57 was a 1930s Czechoslovak 14-passenger commercial transport, designed by Robert Nebesář and built by Avia. The type was not a success.

Development

The Avia 57 was a three-engined low-wing monoplane that first flew in 1935. Powered by three Hispano-Suiza 9Vd radial engines, it had landing gear that retracted into the nacelles of the wing-mounted engines.

Specifications

Data from

General characteristics

• Crew: two
• Capacity: 14
• Length: 15.90 m (52 ft 2 in)
• Wingspan: 22.50 m (73 ft 10 in)
• Wing area: 81.5 m (877 sq ft)
• Empty weight: 5,100 kg (11,244 lb)
• Gross weight: 8,600 kg (18,960 lb)
• Powerplant: 3 × Hispano-Suiza 9Vd radial piston engine, 429 kW (575 hp) each

Performance

• Maximum speed: 300 km/h (190 mph, 160 kn)
• Cruise speed: 270 km/h (170 mph, 150 kn)
• Range: 1,200 km (750 mi, 650 nmi)
• Service ceiling: 4,000 m (13,000 ft)
• Rate of climb: 5.5 m/s (1,080 ft/min)

References

Notes

1. ^ Orbis 1985, p. 338

Bibliography

• The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.

• 1930s Czechoslovak airliners
• Trimotors
• Avia aircraft
• Low-wing aircraft
• Aircraft first flown in 1935