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| Names | Builders | Commissioned | Losses | Transfers | Discarding |
|---|---|---|---|---|---|
SS20 Intrépido SS21 Indomable SS23 Roncador SS24 Quitasueño |
COSMOS, Livorno, Italy: SS20, 21, 23, 24 |
1973: SS20, 21 1974: SS23, 24 |
none |
none |
1981: SS23, 24 2013: SS20, 21 |
| Displacement standard, t |
|
|---|---|
| Displacement normal, t | 58 / 70 |
| Length, m | 23.0 |
| Breadth, m | 2.00 |
| Draught, m | 4.00 |
| No of shafts | 1 |
| Machinery | 1 diesel-generator, 1 electric motor |
| Power, h. p. | 300 |
| Max speed, kts | 8.5 / 7 |
| Fuel, t | diesel oil |
| Endurance, nm(kts) | 1200(7) / 60(7) |
| Armament | 6 Mk 21 mines (300kg warhead), 8 Mk 11 mines (50kg warhead), 2 submarine vehicles |
| Electronic equipment | none |
| Complement | 5 + 8 combat swimmers |
| Diving depth operational, m | 150 |
Italian SX506 type. 8 fully equipped combat swimmers can use two submarine vehicles supported by a fixed system on lower part of the hull, one on each side. They were served by special drydock/tender Mayor Jaime Arias.
None.
No significant events.

