ADUA 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 680 t (691 tnes)
- DISPLACEMENT SUBMERGED: 866 t (880 tnes)
- MACHINERY: Two Shaft, Diesel/Electric
Motors; 1,200/800 hp - LENGTH: 197.5 ft (60.2 m)
- BEAM: 21.3 ft (6.5 m)
- DRAUGHT: 15 ft (4.6 m)
- PERFORMANCE SURFACED: 14 knots
- PERFORMANCE SUBMERGED: 7 knots
- ARMAMENT: 8 21in TT; 1 3.9in gun
- SURFACE RANGE: 3,180 nm (5,890 km)
- CREW: 45
- LAUNCHED: September 13, 1936