Sauro-class submarine

Class overview
BuildersFincantieri
Operators Italian Navy
Preceded by
Succeeded byTodaro class
In service1980
In commission1979
Completed8
Active4
Retired4
Preserved1
General characteristics
TypeSubmarine
Displacement
  • I and II Batches:[1]
  • 1,456 tons surfaced
  • 1,641 tons submerged
  • III Batch:[1]
  • 1,476 tons surfaced
  • 1,662 tons submerged
  • IV Batch:[1]
  • 1,653 tons surfaced
  • 1,862 tons submerged
Length
  • I and II Batches:
  • 63.85 m
  • III Batch:
  • 64.36 m
  • IV Batch:
  • 66.00 m
Beam6.83 m
Draught
  • I and II Batches:
  • 5.3 m
  • III Batch:
  • 5.6 m
  • IV Batch:
  • 6.3 m
Propulsion
  • 3 x shaft diesel Grandi Motori Trieste GMT 210.16-NM (2,7 MW)
  • I, II and III Batches::
  • 1 electric engine Magneti Marelli (2.686 kW)
  • IV Batch::
  • 1 electric engine ABB
Speed
  • 12 knots (22 km/h; 14 mph) surfaced
  • 19 knots (35 km/h; 22 mph) submerged
Range2,500 nmi (4,600 km; 2,900 mi) to 12 knots (22 km/h; 14 mph)
Test depth300 m
Complement7 officers, 44 men
Sensors and
processing systems
  • I and II Batches:
  • 1 x radar SMA SPS-704
  • 1 x sonar Elsag-USEA IPD70/S
  • Submarine Action Information System SMA/Datamat MM/SBN-716 SACTIS
  • periscopes Barr & Stroud CK31 Search and CH81 Attack Periscopes
  • communication system by ELMER
  • III and IV Batches, after update 1999/2005:
  • 1 x radar SMA MM/BPS 704-V2
  • 1 x sonar STN Atlas Elektronik – ISUS 90-20
  • Combat System STN Atlas Elektronik – ISUS 90-20
  • periscopes Kollmorgen
  • communication system IRSC, by Hagenuk Marinekommunikation
Electronic warfare
& decoys
  • I and II Batches:
  • ESM systems Elettronica Spa, Thetis ELT/124-s and MM-BLD/1
  • III and IV Batches, after update 1999/2005:
  • ESM systems Elettronica Spa, BLD-727
Armament
  • I and II Batches::
  • 6 x 533 mm torpedo tubes
  • 12 torpedoes Whitehead A-184 or 24 mines carried
  • III and IV Batches::
  • 6 x 533 mm torpedo tubes
  • 12 torpedoes Whitehead A-184 Mod.3 or 24 mines carried

The Nazario Sauro class are diesel-electric submarines operated by the Italian Navy. All boats were built by Fincantieri in Monfalcone.

  1. ^ a b c (in Italian) Classe Sauro, Marina Militare official website, march 2011.