Sauro-class submarine

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

Class overview
Builders:	Fincantieri
Operators:	Italian Navy
Preceded by:	Toti class, Tang class, Tench class
Succeeded by:	Todaro class
In service:	1980
In commission:	1979
Completed:	8
Active:	4
Retired:	4
Preserved:	1
General characteristics
Type:	Submarine
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
Beam:	6.83 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
Range:	2,500 nmi (4,600 km; 2,900 mi) to 12 knots (22 km/h; 14 mph)
Test depth:	300 m
Complement:	7 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

Design

There are three sub groups built in four batches:

• S 518 Nazario Sauro named after Nazario Sauro; since September 2009, this unit has been a museum ship in Genoa (part of Galata - Museo del mare).[2]
• S 519 Carlo Fecia di Cossato named after Italian World War II submarine commander Carlo Fecia di Cossato
• S 520 Leonardo da Vinci, named after Leonardo da Vinci
• S 521 Guglielmo Marconi, named after Guglielmo Marconi
• S 522 Salvatore Pelosi, named after Italian World War II submarine commander and war hero Salvatore Pelosi
• S 523 Giuliano Prini, named after Italian World War II submarine commander and war hero Giuliano Prini
• S 524 Primo Longobardo, named after Italian World War II submarine commander and war hero Primo Longobardo
• S 525 Gianfranco Gazzana Priaroggia, named after Italian World War II submarine commander and war hero Gianfranco Gazzana-Priaroggia

Sauro at the Genoa Galata Museum

List of boats

Italian Navy - Sauro class
Pennant number	Name	Batch	Shipyard	Hull number	Laid down	Launched	Commissioned	Decommissioned
S 518	Nazario Sauro	I	Fincantieri Monfalcone (Gorizia)	4257 [3]	26 June 1974	9 October 1976	1 March 1980	30 April 2002
S 519	Carlo Feccia di Cossato	I	Fincantieri Monfalcone (Gorizia)	4258	15 November 1975	16 November 1977	5 November 1979	1 April 2005
S 520	Leonardo da Vinci	II	Fincantieri Monfalcone (Gorizia)	4339	1 July 1976	20 October 1979	6 November 1982	30 June 2010
S 521	Guglielmo Marconi	II	Fincantieri Monfalcone (Gorizia)	4340	23 October 1979	20 September 1980	11 September 1982	1 October 2003
S 522	Salvatore Pelosi	III	Fincantieri Monfalcone (Gorizia)	4405	23 July 1985	29 November 1986	14 July 1988 [4]	in service
S 523	Giuliano Prini	III	Fincantieri Monfalcone (Gorizia)	4406	30 July 1987	12 December 1987	17 May 1989	in service
S 524	Primo Longobardo	IV	Fincantieri Monfalcone (Gorizia)	5878	19 December 1991	20 June 1992	14 December 1993	in service
S 525	Gianfranco Gazzana Priaroggia	IV	Fincantieri Monfalcone (Gorizia)	5879	12 November 1992	26 June 1993	12 June 1995 [4]	in service

See also

• List of submarine classes in service

Notes

1. (in Italian) Classe Sauro, Marina Militare official website, march 2011.
2. (in Italian) Site about the submarine maintained by the genoese museum.
3. http://www.gaioni.com/navy-ships/
4. http://www.marina.difesa.it/uominimezzi/sommergibili/Pagine/ClasseSauro.aspx

Bibliography

• (in Italian) Sommergibili, Marina Militare official site.
• Conway, All the World's Fighting Ships 1947-1995