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Rossetti-class research vessel

Class overview
Name: Rossetti class
Builders: Cantiere Navale Picchiotti, Viareggio (Livorno)
Operators:  Marina Militare
In commission: 1986–1989
Planned: 2
Completed: 2
Active: 2
General characteristics
Type: Coastal research vessel
Displacement: 324/330 tonnes, full load
Length: 44.6 m (146 ft)
Beam: 7.9 m (26 ft)
Draught: 2.0 m (6.6 ft)
Speed: 12 knots (22 km/h; 14 mph)
Range: 1,700 nautical miles (3,100 km; 2,000 mi)
  • - 17, of which:
  • - 2 officials
  • - 15 sailors
Sensors and
processing systems:
2 x GEM Elettronica SPN-753 navigation radar, X band

The Rossetti class of coastal research vessels consists of two units operated by the Italian Marina Militare and named as "Nave Esperienze" (experiencies ship).[1] The vessels are used by Centro Supporto Sperimentazioni Navali (Navy experimental support centre) for technologies research and development trials on ASW weapons.


- Raffaele Rossetti (A 5315) is fitted with WASS 533 mm torpedo launcher.
- Specifically designed for experiments, new technologies tests in relation to weapon and platform systems, the unit is mainly operated by the Permanent Commission for Experiments on War Materials at La Spezia.
- Vincenzo Martellotta (A 5320) is fitted with WASS B515/3 324 mm torpedo launcher


 Marina Militare - Rossetti class
Name Pennant
full load
Laid down Launched Commissioned Motto
A 5315 324 tonnes 12 July 1986 20 December 1986 Fortior in asperis
A 5320 330 tonnes 1987 1988 December 1989 Rerum cognoscere causas