Alpino

🇮🇹Italy
Cantieri Navali Riuniti (CNR)
1968 – Present
Overview
Alpino
The Alpino class consisted of two frigates built for the Italian Navy during the Cold War, originally planned as four ships but ultimately reduced to two due to design delays. Featuring a CODAG propulsion system and advanced capabilities like ship-based helicopters and variable depth sonar, these vessels underwent modernization throughout their service, eventually transitioning to auxiliary roles, with the Carabiniere notably testing new missile systems and radar technologies.
Specifications

General

Gunsvariety of small caliber guns
Beam M13.1 m
Length M113.3 m
Torpedoesfour homing-torpedoes or depth charges, or four AS.12 anti-ship wire guided missiles, or two Sea Killer Mk.2 or Exocet AM-39/HARPOON types missiles
Propulsion2-shaft CODAG system with 2 Tosi/Metrovick G6 gas turbines and 4 Tosi V12 QTV-320(-12) diesel engines
Helicopters2
Displacement Tons2,743 tons
Research Notes

Italian Cold War ASW frigate

Alpino was part of a two-ship Italian class built around anti-submarine warfare and helicopter operations.

The Alpino class reflected Italy's Cold War need for anti-submarine escorts in the Mediterranean. The Italian Navy historical page identifies Alpino F580/A5384 as an anti-submarine frigate and notes that the class consisted of Alpino and Carabiniere after two planned ships were cancelled. This made the class a focused but limited step in Italian escort development, bridging earlier gun-and-mortar frigates and later helicopter-capable designs.

Helicopters, sonar, and CODAG propulsion

The design combined a CODAG plant, multiple 76 mm guns, anti-submarine weapons, and facilities for shipborne helicopters.

Alpino's design emphasized anti-submarine reach. Navypedia records the adoption of CODAG propulsion, a sharply raked bow, several 76 mm guns, torpedo weapons, and helicopter facilities. Compared with smaller escorts, the ability to operate helicopters and support sonar-based ASW work gave the class wider search and engagement options. The design illustrates how 1960s frigates were shifting from gun escorts into sensor-and-aircraft systems.

From escort to mine-countermeasures support

Alpino served from the late 1960s into 2006 and later took on command/support duties for mine-countermeasures forces.

Alpino's long service life shows the adaptability of the hull. After conventional frigate service, the ship was reclassified as A5384 and used in support and command roles for mine-countermeasures forces. The Italian Navy historical record preserves this later identity, making Alpino useful as an example of how aging escorts can be repurposed when combat systems become dated but command, accommodation, and seakeeping capacity remain useful.

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