Shch307 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 586 t (595 tnes)
- DISPLACEMENT SUBMERGED: 702 t (713 tnes)
- MACHINERY: Two Screws, Diesel/Electric Motors;
1,600/800 hp - LENGTH: 191.8 ft (58.5 m)
- BEAM: 20.3 ft (6.2 m)
- DRAUGHT: 14.1 ft (4.3 m)
- PERFORMANCE SURFACED: 14 knots
- PERFORMANCE SUBMERGED: 8 knots
- ARMAMENT: 6 533mm TT; 2 45mm guns
- SURFACE RANGE: 900 nm (1,667 km)
at 8.5 knots - CREW: 40
- LAUNCHED: August 1, 1934