Delfín 1980
Marsopa 1990
| Name | No | Yard No | Builder | Laid down | Launched | Comm | Fate |
| Delfín | S61 | Bazán, Cartagena | 13.8.1968 | 25.3.1972 | 3.5.1973 | stricken 7.2003 | |
| Tonina | S62 | Bazán, Cartagena | 2.3.1970 | 3.10.1972 | 10.7.1973 | stricken 9.2005 | |
| Marsopa | S63 | Bazán, Cartagena | 19.3.1971 | 15.3.1974 | 12.4.1975 | stricken 4.2006 | |
| Narval | S64 | Bazán, Cartagena | 24.4.1972 | 14.12.1974 | 22.11.1975 | stricken 4.2003 |
|
Displacement standard, t |
|
|
Displacement normal, t |
869 / 1069 |
|
Length, m |
57.8 |
|
Breadth, m |
6.80 |
|
Draught, m |
5.25 |
|
No of shafts |
2 |
|
Machinery |
2 SEMT-Pielstick PA1 diesel-generators, 2 electric motors |
|
Power, h. p. |
1300 / 1600 |
|
Max speed, kts |
13.2 / 15.5 |
|
Fuel, t |
diesel oil |
| Endurance, nm(kts) | 4300(7.5) / |
|
Armament |
12 - 550 TT (8 bow, 4 stern, 12) |
| Electronic equipment | DRUA-31 radar, DUUA-1D, DSUV-22 sonars, ARUR-10B ECM suite |
| Complement | 47 |
| Diving depth operational, m | 300 |
Project history: Two ordered in December 1966, and a second pair in March 1970, and a fifth was originally envisaged. Bulk with extensive French assistance, under Agreement of Jury 1966.
Modernizations: 1983-1988, all: - 12 - 50 TT, DRUA-31 radar, DUUA-1D sonar; + 12 - 533 TT (8 bow, 4 stern, 12), DRUA-33 radar, DUUA-2A sonar
1990-1991, all: - ARUR-10B ECM suite; + Manta-E ECM suite
1993, Marsopa: + DSUV-62C towed sonar array
Naval service: No significant events.
Tonina 1975
Tonina 1999
© Ivan Gogin, 2017