Английская Википедия:Avia 57
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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.[1]
Development
The Avia 57 was a three-engined low-wing monoplane that first flew in 1935.[1] Powered by three Hispano-Suiza 9Vd radial engines, it had landing gear that retracted into the nacelles of the wing-mounted engines.[1]
Specifications
References
Notes
Bibliography