MAMELI 
- TYPE: Submarine
- DISPLACEMENT SURFACED: 830 t (843 tnes)
- DISPLACEMENT SUBMERGED: 1,010 t (1,026 tnes)
- MACHINERY: Two Screws, Diesel/Electric
Motors; 3,000/1,100 hp - LENGTH: 212 ft (64.6 m)
- BEAM: 21.3 ft (6.5 m)
- DRAUGHT: 14 ft (4.3 m)
- PERFORMANCE SURFACED: 17 knots
- PERFORMANCE SUBMERGED: 7 knots
- ARMAMENT: 6 533mm TT; 1 102mm guns
- SURFACE RANGE: 3,200 nm (5,930 km)
- CREW: 49
- LAUNCHED: December 9, 1926