The MS was an Italian motor torpedo boat type used by the Regia Marina during WW2. MS is the abbreviation for Motosilurante, "torpedo motorboat" in English. They were designed by CRDA (Cantierei Riuniti dell'Adriatico) as seaworthy MTBs.
The CRDA designed MS are divided into two series during World War II.
After World War II some were modernized after were converted into a new type, the Convertibile, in which the ship had the ability to change armament quickly with configurations already provided.
The Convertible type can change the configuration in these version:
- Minelayer Configuration, one 40/56 cannon and 8 mines
- Motor Gun Boat Configuration, two 40/56 cannons and 8 x deep charges
- Motor Torpedo Boat Configuration, one 40/56 cannon, 2 Torpedo launchers and 8 x deep charges
- MS-473 - MS Convertibile, 1965 - ex-MAS 31 during WW2
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|Cantieri Riuniti dell'Adriatico (C.R.D.A)|
|Motor Torpedo/Gun Boats|
|Motosilurante CRDA 60 t Type I||MS-15 · MV-611*|
|Motosilurante CRDA 60 t Type II||MS-53|
|Motosilurante CRDA 60 t Convertibile||MS-472 · MS-473|
|*MS-11 converted to a motovedette (patrol boat)|
|Motor torpedo boats||MC-490 · Freccia P-493 · MAS 555 · MAS 561 · MAS 569|
|MS-15 · MS-53 · MS-472 · Stefano Turr · VAS 201 · GIS 811|
|Motor gun boats||MS-473 · MV-611 · Sparviero|
|Motor torpedo gun boats||Saetta P-494|