PZL.53 Jastrząb II (Hawk II) was a project of Polish pre-war fighter aircraft developed from PZL.50 Jastrząb and designed by Wsiewołod Jakimiuk of the PZL works. A single-seat low-wing monoplane was to serve as a multi-purpose fighter and escort and reinforcement for PZL.50 Jastrząb in the Polish Air Force.

PZL.53 Jastrząb II
Role Fighter aircraft
National origin Poland
Manufacturer Państwowe Zakłady Lotnicze
Status Project
Primary user Polish Air Force (planned)
Developed from PZL.50 Jastrząb

Initial design was prepared in 1939 and was based on PZL.50 Jastrząb but aircraft had greater bomb load (300 kg compared to 100 kg in PZL.50) and two additional 20 mm guns. Aircraft was designed for much stronger 1200-1300 hp engine chosen from PZL Bristol Herkules III, PZL Waran, Pratt-Whitney or Gnome-Rhône 14R4 engines.[1]

Versions Edit

First production variant powered by a 890–970 kW (1,200–1,300 hp) engine.
Development of the PZL.50B powered by Gnome-Rhône 14R-4 engine.

Operators (planned) Edit


Specifications (PZL.53) Edit

Data from [2]

General characteristics


  • Maximum speed: 560 km/h (350 mph, 300 kn)


See also Edit

Related development

References Edit

Notes Edit

  1. ^ Glass (2008), p.131
  2. ^ Glass (2008), p.131

Bibliography Edit

  • Glass, Andrzej. Polskie Konstrukcje Lotnicze Vol.3 (In Polish). Sandomierz, Poland: Wydawnictwo Stratus, 2008.