Nazario Sauro class Submarine Italian Navy Marina Militare

Italian Navy / Marina Militare Italiana
Sauro class Submarine

06/20

Units:

Batch I
S 518 ITS Nazario Sauro (1980)
S 519 ITS Carlo Fecia di Cossato (1979)
Batch II
S 520 ITS Leonardo da Vinci (1982)
S 521 ITS Guglielmo Marconi (1982)
Batch III
S 522 ITS Salvatore Pelosi (1988)
S 523 ITS Giuliani Prini (1989)
Batch IV
S 524 ITS Primo Longobardo (1993)
S 525 ITS Gianfranco Gazzana Priaroggia (1995)

Specifications:

Builder (all units): Fincantieri SpA, Monfalcone (Friuli-Venezia Giulia), Italy

Displacement:
Batch I+II: 1456 tons surfaced, 1651 tons submerged
Batch III: 1476 tons surfaced, 1662 tons submerged
Batch IV: 1653 tons surfaced, 1862 tons submerged

Length:
Batch I+II: 63.85 meters (209 feet 6 inches)
Batch III: 64.36 meters (211 ft 2 in)
Batch IV: 66 meters (216 ft 6 in)

Draft:
Batch I+II: 5.3 m (17 ft 4 in)
Batch III: 5.6 meters (18 ft 4 in)
Batch IV: 6.3 meters (20 ft 8 in)

Beam: all Batches 6.83 m (22 ft 5 in)

Test depth: 300 meters (985 ft)
Speed: 19 knots (35 km/h) submerged, 12 knots (22 km/h) surfaced
Range: 2500 nautical miles (4600 km) at 12 knots (22 km/h)
Crew: 51 (incl. 7 officers)

Propulsion:
Diesel-electric
Batch I-IV: 3 x Diesel Generator Grandi Motori Trieste GMT 210.16-NM (2,72 MW)
Batch I, II + III: 1 x Electric Motor Magneti Marelli (2.7 MW)
Batch IV: 1 x Electric Motor Asea Brown Boveri (ABB) (3.14 MW)
1 shaft / 1 propeller

Armament:
6 x 21-inches / 533 mm torpedo tubes
for up to 12
Whitehead (WASS) A184 Mod.0 heavy weight torpedoes (Batch I+II)
Whitehead (WASS) A184 Mod.3 heavy weight torpedoes (Batch III+IV)
or up to 24 naval mines

Systems:

Batch I+II:
1 x SMA SPS-704 radar
1 x Elsag-USEA IPD70/S sonar
SMA/Datamat MM/SBN-716 SACTIS Submarine Action Information System
Barr & Stroud CK31 Search and CH81 Attack Periscopes
ELMER communication system

Batch III+IV (after update 1999/2005)
1 x SMA MM/BPS 704-V2 radar
1 x STN Atlas Elektronik ISUS 90-20 sonar
STN Atlas Elektronik ISUS 90-20 Combat System
Kollmorgen periscopes
Hagenuk Marinekommunikation IRSC communication system

Batch I+II:
Elettronica SpA. Thetis ELT/124-s and MM-BLD/1 ESM systems
Batch III+IV (after update 1999/2005)
Elettronica Spa, BLD-727 ESM systems

class + detail images
for more images go to the individual boat's page

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