The Zak-3 was a Polish two-seater side-by-side trainer aircraft of the 1950's. The Zak-3 was a low-wing cantilever monoplane of fabric-covered steel tube construction powered by a Walter Mikron I four-cylinder inverted in-line air-cooled engine providing a top speed of 160 kmh and a range of 400 km. Research Zak-3
 
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