more than 1000 BRT:
| Name | Launched // Comm. | Builder | Displacement, t | Dimensions, m | Speed, kts | Machinery, Fuel, Power, t | Armament | Fate |
| Sassari | // 8.1916 | 1489 | 83.5x11.0 | 11 | 1VTE, 1760 | returned 4.1919 |
100 - 1000 t
| Folgore (1914, 104, 1.1917-7/1919); Gallinara (1908, 106, 7.1915-22.11.1915); Gianicolo (1908, 262, 5.1915-1/1920); Malamocco (, 300, 1916-1920); Pantelleria (, 204, 7.1915-14.8.1916); Saetta (1915, 104, 1.1917-7/1919); Ustica (, 198, 7.1915-9/1919) |
Project history: Former merchant vessels converted to decoy vessels for submarines.
Modernizations: None.
Naval service: No significant events.