Marino-class diving support vessel

Class overview
Name	Marino class
Builders	Crestitalia shipyard, Ameglia (La Spezia)
Operators	Italian Navy
In commission	1985
Planned	2
Completed	2
Active	2
General characteristics
Type	Diving support vessel
Displacement	97 t (95 long tons) full load
Length	25.8 m (85 ft)
Beam	6.9 m (23 ft)
Draught	1.2 m (3.9 ft)
Propulsion	2 x Diesel engines Isotta Fraschini ID-36-SS12V (559 kW (750 hp) each)
Speed	28 knots (52 km/h; 32 mph)
Range	240 nautical miles (440 km; 280 mi)
Crew	9; 1 official; 8 sailors;
Sensors &; processing systems	2 x GEM Elettronica SPN-753 navigation radar, X band
Notes	hyperbaric chamber on Alcide Pedretti

Last updated December 16, 2025

The Marino class of diving support vessels consists of two units operated by the Italian Marina Militare. The vessels are used by Comando Subacquei Incursori (COMSUBIN) for training and operational duties and are named MAS Motoscafo Appoggio Subacquei (DSV Diving Support Vessel).

Features

Alcide Pederetti is assigned to diving support and for submarine rescue operations ^[2] It's fitted with:

a hyperbaric chamber ^[3] DRASS Galeazzi, for 4+2 persons.
diving support equipment, until -80 m deep.

Ships

Italian Navy - Marino class
Name	Pennant number	Initial number	Laid down	Launched	Commissioned	Motto
Mario Marino	Y 498	MEN 213		1984	1985	Semper
Alcide Pedretti	Y 499	MEN 214		17 May 1984	4 May 1985	Semper

References

↑ "Marino Mario – Marina Militare". Archived from the original on 21 November 2016. Retrieved 20 November 2016.
↑ "Marina Militare". www.marina.difesa.it. Archived from the original on 12 June 2014.
↑ traktoria.org/files/.../ATP-57(B)_The_Submarine_Search_and_Rescue_Manual.pdf

External links

Mario Marino (Y 498) Marina Militare website

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[1] "Marino Mario – Marina Militare". Archived from the original on 21 November 2016. Retrieved 20 November 2016.

[2] "Marina Militare". www.marina.difesa.it. Archived from the original on 12 June 2014.

[3] traktoria.org/files/.../ATP-57(B)_The_Submarine_Search_and_Rescue_Manual.pdf

[1]

[2]

[3]

v t e Ship classes of the Italian Navy
Aircraft carriers	Cavour ^S Giuseppe Garibaldi ^S
Amphibious ships	Trieste ^S San Giorgio class LCM62 class MTM217 class MTP96 class
Destroyers	Nicoloso da Recco (Navigatori class)^C Grecale (Maestrale class)^C Granatiere (Soldati class)^C Artigliere class (Benson/Gleaves class)^X Fante class (Fletcher class)^X San Giorgio class Impetuoso class Impavido class Audace class Durand de la Penne class Orizzonte class
Frigates	Aldebaran class (Cannon class)^X Centauro class Bergamini class Alpino class Lupo class Maestrale class Soldati class Bergamini class
Corvettes	Antilope class Gabbiano class ^C Alabarda ^S Albatros class Sentinella ^S Pietro De Cristofaro class Minerva class
Patrol boats	Thaon di Revel class (PPA) Cabrini class (UNPAV) Comandanti class Cassiopea class Sirio class Esploratore class
Submarines	Enrico Tazzoli class (Gato class)^X Evangelista Torricelli class (Balao class)^X Gianfranco Gazzana-Priaroggia class (Tench class)^X Livio Piomarta class (Tang class)^X Marconi class Toti class Sauro class Todaro (Type 212)^X SRV-300 ^S
Minesweepers	Gaeta class Lerici class
Auxiliary ships	Vulcano class Etna class Stromboli class Anteo ^S Marino class Elettra ^S Alliance ^S Leonardo ^S Ammiraglio Magnaghi ^S Ninfe class Rossetti class Simeto class Bormida ^S Panarea class Gorgona class Ponza class GGS 1012 class Atlante class Ciclope class RP 101 class RP 113 class RP 118 class Ercole ^S Porto class Cheradi ^S Argo ^S
Training ships	Amerigo Vespucci Palinuro Italia Orsa Maggiore Caroly Capricia Stella Polare Corsaro II
Floating dry docks	GO 59 GO 58 GO 55 GO 52 GO 22 GO 20 GO 11
Future ships	USSP UIOM DDX
S Single ship of class C Served in World War II X Imported

Class overview


Name	Marino class
Builders	Crestitalia shipyard, Ameglia (La Spezia)
Operators	Italian Navy
In commission	1985
Planned	2
Completed	2
Active	2


General characteristics
Type	Diving support vessel
Displacement	97 t (95 long tons) full load ^[1]
Length	25.8 m (85 ft)
Beam	6.9 m (23 ft)
Draught	1.2 m (3.9 ft)
Propulsion	2 x Diesel engines Isotta Fraschini ID-36-SS12V (559 kW (750 hp) each)
Speed	28 knots (52 km/h; 32 mph)
Range	240 nautical miles (440 km; 280 mi)
Crew	9 1 official 8 sailors
Sensors & processing systems	2 x GEM Elettronica SPN-753 navigation radar, X band
Notes	hyperbaric chamber on Alcide Pedretti

Marino-class diving support vessel

Contents

Features

Ships

References

External links