PZL P.1
Fighter
The PZL P.1 was a Polish fighter, designed by the engineer Zygmunt Puławski, manufactured by the PZL state-owned factory. It remained a prototype, but it was the first of the Polish PZL gull wing fighter series, leading to the PZL P.7, PZL P.11... Wikipedia
First flight: August 1929
Manufacturer: Państwowe Zakłady Lotnicze
Top speed: 188 mph
Designer: Zygmunt Puławski