JASTRZAB 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 850 t (864 tnes)
- DISPLACEMENT SUBMERGED: 1,090 t (1,107 tnes)
- MACHINERY: Two Screws, Diesel/Electric Motors;
1,200/1,500 hp - LENGTH: 211 ft (64.3 m)
- BEAM: 20.5 ft (6.25 m)
- DRAUGHT: 15.25 ft (4.6 m)
- PERFORMANCE SURFACED: 14.5 knots
- PERFORMANCE SUBMERGED: 11 knots
- ARMAMENT: 4 533mm TT; 1 102mm guns
- SURFACE RANGE: 4,200 nm (7,782 km)
- CREW: 42
- LAUNCHED: May 29, 1922