Promoted by ITALIAN MoD, the cooperation between FINCANTIERI Naval Vessel Business Unit and Russian Partner State-Owned Enterprise Central Design Bureau For Marine Engineering “RUBIN” (under the aegis of Russian Federal State Unitary Enterprise “ROSOBORONEXPORT“), resulted in the S1000 design, which have been designed on the basis of the most cost-effective equipments of both Countries.

Length overall	56,20	m
Outer diameter of pressure hull	5,50	m
Submerged displacement about	1100	type
Diving depth	>250	m
Draft	5,40	m
Stern rudders	4 X	type
Maximum submerged speed	>14	knots
PROPULSION PLANT
1 multi electronic permanent magnet propulsion motor	1000	kW
Diesel engines (turbocharged)	2 x 715	kW
Generators	2 x 650	kW
2 battery banks of 112 lead cells each in 2 separate compartments
AIP capability (Fuel cell based)	200	kW
1 propeller shaft, 7 skewed blades
SUBMERGED ENDURANCE
Snort + Batteries at 4 knots	3000	N.M.
Air Independent Propulsion (AIP) at 4 knots	1000	N.M.
Crew + special forces	16 + 6
COMBAT SYSTEM
6 Fwd Torpedo Tubes (Push-Out Type) with capability to
manage a combination of up to 6 + 8:
- 21 inches (533 mm) Wire Guided Torpedoes
- Antiship / Strike Missiles
Bottom Mines
Torpedo Countermeasures System (Emulator/Decoy)
5 Multifunction CMS Consoles,
Integrating sensors and navigation
1 Passive/Active Sonar Suite
(Conformal Array, Intercept Array, Mine Avoidance, ONA)
Integrated Navigation System
Underwater Telephone
1 x Optronic Mast (TV IR, Laser Range Finder/ESM early warning)
1 x ESM, for automatic intercepted
radar classification through own libraries
1 x Navigation Radar with ARPA facilities
Internal Communication System
2 x integrated external communication masts for voice and data
communications in the frequencies HF, UHF, UHF-SATCOM, VHF
1 x VLF antenna