Giuliano Prini
History
Italy
Name	Giuliano Prini
Namesake	Giuliano Prini
Builder	Fincantieri, Monfalcone
Laid down	23 July 1985
Launched	29 November 1986
Commissioned	14 July 1988
Homeport	La Spezia
Identification	Pennant number: S 522
Status	Active
General characteristics
Class and type	Sauro-class submarine
Displacement	1,456 tonnes (surfaced) 1,641 tonnes (submerged)
Length	63.85 m (209.5 ft)
Beam	6.83 m (22.4 ft)
Draught	5.3 m (17.4 ft)
Depth	300 m (984.3 ft)
Propulsion	3-shaft diesel Grandi Motori Trieste GMT 210.16-NM (2,7 mW) 1 electric engine Magneti Marelli (2.686 kW)
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) at 12 knots (22 km/h; 14 mph)
Complement	7 officers 44 enlisted
Sensors and processing systems	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 Submarine Action Information System SMA/Datamat MM/SBN-716 SACTIS periscopes Barr & Stroud CK31 Search and CH81 Attack Periscopes communication system by ELMER
Electronic warfare & decoys	ESM systems Elettronica Spa, BLD-727
Armament	6 × 533 mm (21 in) torpedo tubes with reloads for: 1.) Black Shark torpedo Mod.3 2.) Naval mines

Giuliano Prini (S 523) was aSauro-class submarines of the Italian Navy.

Giuliano Prini was laid down at Fincantieri Monfalcone Shipyard on 30 July 1987 and launched on 12 December 1987. She was commissioned on 17 May 1989.

She had been homeported in Taranto between 1999 and 2004 and was subjected to radical works that affected the platform and the combat system.

Wikimedia Commons has media related to S523 Guliano Prini (submarine, 1989).