PZL.56 Kania
PZL.56 Kania (buzzard) was a Polish pre-war project of a fighter aircraft designed by Wsiewołod Jakimiuk of the Państwowe Zakłady Lotnicze. A single-seat low-wing monoplane was a development of PZL.50 Jastrząb fighter, modified to house a Hispano-Suiza 12Y French inline engine.