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The submarine Enrico Toti at the Milan Museum of Technology
Class overview
Name	Toti class
Operators	Italian Navy
Preceded by	Gato class / Balao class
Succeeded by	Sauro class
In service	1968
In commission	1965–1993
Completed	4
Retired	4
Preserved	2
General characteristics
Type	Submarine
Displacement	535 tons surfaced 591 tons submerged
Length	46.2 m (151 ft 7 in)
Beam	4.75 m (15 ft 7 in)
Draught	4.0 m (13 ft 1 in)
Propulsion	1 shaft, 2 Fiat MB 820 diesel engines, 2,200 hp (1,600 kW), plus 1 electric motor
Speed	9.7 knots (18.0 km/h; 11.2 mph) surfaced 14 knots (26 km/h; 16 mph) submerged
Range	3,000 nmi (5,600 km; 3,500 mi) at 5 knots (9.3 km/h; 5.8 mph)
Test depth	150 m (490 ft)
Complement	4 officers, 22 enlisted
Sensors and processing systems	1 × 3 RM-20 radar 1 x JP-64 active sonar 1 x Velox passive sonar
Armament	4 x 533 mm (21 in) torpedo tubes with 6 torpedoes

The Toti class were submarines built for the Italian Navy in the 1960s. They were the first submarines designed and built in Italy since World War II. These boats were small and designed as "hunter killer" anti-submarine submarines. They are comparable to the German Type 205 submarines and the French Aréthuse-class submarines.

All four ships were built by Italcantieri (Fincantieri) to Monfalcone (Gorizia) shipyard.

Italian Navy – Toti class
Pennant number	Name	Hull number	Laid down	Launched	Commissioned	Decommissioned	Image	Notes
S 505	Attilio Bagnolini	1886	11 April 1965	26 August 1967	16 June 1968	5 July 1991		Scrapped in Aliaga Turkey 2021
S 506	Enrico Toti	1870	11 April 1965	12 March 1967	22 January 1968	30 September 1997		Museum ship in Milan [1][2]
S 513	Enrico Dandolo	1887	10 March 1967	16 December 1967	29 September 1968	30 September 1996		Museum ship in Venice
S 514	Lazzaro Mocenigo	1888	12 June 1967	20 April 1968	28 December 1968	15 October 1993		Sold for scrapping 19.10.2023

• S506 Enrico Toti (Enrico Toti Class)
• (in Italian) – Official Site for the Enrico Toti submarine museum, Milan

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