F1 1918
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| F1 | Fiat - San Giorgio, La Spezia | 5.1915 | 2.4.1916 | 10.1916 | stricken 6.1930 | ||
| F2 | Fiat - San Giorgio, La Spezia | 6.1915 | 4.6.1916 | 9.1916 | stricken 2.1929 | ||
| F3 | Fiat - San Giorgio, La Spezia | 5.1915 | 6.7.1916 | 10.1916 | stricken 9.1919 | ||
| F4 | Orlando, Livorno | 6.1915 | 19.11.1916 | 1.1917 | stricken 9.1919 | ||
| F5 | Fiat - San Giorgio, La Spezia | 5.1915 | 12.8.1916 | 11.1916 | stricken 7.1929 | ||
| F6 | Orlando, Livorno | 6.1915 | 4.3.1917 | 5.1917 | stricken 8.1935 | ||
| F7 | Fiat - San Giorgio, La Spezia | 7.1915 | 23.12.1916 | 3.1917 | stricken 2.1929 | ||
| F8 | Fiat - San Giorgio, La Spezia | 6.1915 | 13.11.1916 | 2.1917 | stricken 9.1919 | ||
| F9 | Fiat - San Giorgio, La Spezia | 6.1915 | 24.9.1916 | 12.1916 | stricken 8.1928 | ||
| F10 | Fiat - San Giorgio, La Spezia | 8.1915 | 19.10.1916 | 12.1916 | stricken 6.1930 | ||
| F11 | Fiat - San Giorgio, La Spezia | 7.1915 | 17.9.1916 | 12.1916 | stricken 9.1919 | ||
| F12 | Fiat - San Giorgio, La Spezia | 7.1915 | 30.11.1916 | 2.1917 | stricken 7.1929 | ||
| F13 | Orlando, Livorno | 9.1915 | 20.5.1917 | 8.1917 | stricken 8.1935 | ||
| F14 | Odero, Sestri Ponente | 10.1915 | 23.1.1917 | 3.1917 | collision 6.8.1928 | ||
| F15 | Orlando, Livorno | 10.1915 | 27.5.1917 | 8.1917 | stricken 5.1929 | ||
| F16 | Odero, Sestri Ponente | 10.1915 | 19.3.1917 | 4.1917 | stricken 5.1928 | ||
| F17 | Orlando, Livorno | 10.1915 | 3.6.1917 | 8.1917 | stricken 11.1929 | ||
| F18 | Odero, Sestri Ponente | 10.1915 | 15.5.1917 | 7.1917 | stricken 10.1930 | ||
| F19 | Fiat - San Giorgio, La Spezia | 7.1915 | 18.4.1917 | 1917 // --- | completed for Portugal (Foca) | ||
| F20 | Fiat - San Giorgio, La Spezia | 7.1915 | 1917 | 1917 // --- | completed for Portugal (Golfinho) | ||
| F21 | Fiat - San Giorgio, La Spezia | 7.1915 | 9.8.1917 | 1917 // --- | completed for Portugal (Hidra) | ||
| F19 | Fiat - San Giorgio, La Spezia | 9.1915 | 10.3.1918 | 4.1918 | stricken 6.1930 | ||
| F20 | Fiat - San Giorgio, La Spezia | 9.1915 | 17.3.1918 | 6.1918 | stricken 7.1935 | ||
| F21 | Fiat - San Giorgio, La Spezia | 8.1915 | 19.5.1918 | 8.1918 | stricken 10.1930 | ||
| F22 | Fiat - San Giorgio, La Spezia | 8.1915 | 1917 | 1917 // --- | completed for Spain (A1 Narciso Monturiol) | ||
| F23 | Fiat - San Giorgio, La Spezia | 8.1915 | 1917 | 1917 // --- | completed for Spain (A2 Cosme García) | ||
| F24 | Fiat - San Giorgio, La Spezia | 8.1915 | 1917 | 1917 // --- | completed for Spain (A3) |
|
Displacement standard, t |
|
|
Displacement normal, t |
262 / 319 |
|
Length, m |
45.1 wl 45.6 oa |
|
Breadth, m |
4.22 |
|
Draught, m |
3.10 |
|
No of shafts |
2 |
|
Machinery |
2 Fiat diesels / 2 Savigliano electric motors |
|
Power, h. p. |
670 / 500 |
|
Max speed, kts |
12.5 / 8.2 |
|
Fuel, t |
diesel oil 12 |
| endurance, nm(kts) | 1600(8.5) / 80(4) |
|
Armament |
1 x 1 - 76/30 A1914, 2 - 450 TT (bow, 4) |
|
Complement |
26 |
| Diving depth operational, m | 40 |
Project history: The most numerous series of Italian submarines. The project was developed by Fiat-San Giorgio. First 3 submarines were built in 1913-1914 for Brazil, later 3 for Portugal and 3 more for Spain. Boats had an easy manoeuvrability.
Modernizations: None.
Naval service: F8 was sunk 14.2.1917 as result of accident during trials, but was raised and commissioned in September of the same year. F14 was lost 6.8.1928 because of collision with destroyer Giuseppe Missori.
F1
© Ivan Gogin, 2009-14