RIO GRANDE DO SUL submarines (1944-1945/1972-1973)
Bahia 1975
| Name | No | Yard No | Builder | Laid down | Launched | Comm | Fate |
| Rio Grande do Sul (ex-Grampus) | S11 | Boston N Yd, Charlestown, USA | 8.2.1944 | 15.12.1944 | 10.1947 // 13.5.1972 | stricken 11.1978 | |
| Bahia (ex-Sea Leopard) | S12 | Portsmouth N Yd, USA | 7.11.1944 | 2.3.1945 | 11.6.1945 // 27.3.1973 | training hulk 7.1993 | |
| Rio de Janeiro (ex-Odax) | S13 | Portsmouth N Yd, USA | 4.12.1944 | 10.4.1945 | 11.7.1945 // 8.7.1972 | stricken 11.1978 | |
| Ceará (ex-Amberjack) | S14 | Boston N Yd, Charlestown, USA | 8.2.1944 | 15.12.1944 | 4.3.1946 // 17.10.1973 | stricken 9.1987 | |
| Goiás (ex-Trumpetfish) | S15 | Cramp, Philadelphia, USA | 23.8.1943 | 13.5.1945 | 29.1.1946 // 15.10.1973 | stricken 4.1990 |
| Data variant | S11-14 |
|
Displacement standard, t |
1517 |
|
Displacement normal, t |
1950 / 2540 |
|
Length, m |
93.6 |
|
Breadth, m |
8.20 |
|
Draught, m |
5.20 |
|
No of shafts |
2 |
|
Machinery |
3 Fairbanks-Morse diesel-generators / 4 electric motors |
|
Power, h. p. |
4610 / 5400 |
|
Max speed, kts |
18 / 16 (9 with snorkel) |
|
Fuel, t |
diesel oil 330 |
| Endurance, nm(kts) | 10000 (10) / 96 (2) |
|
Armament |
10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern) |
|
Electronic equipment |
SS-2A radar, BQR-2B, BQS-2, SQR-3 sonars, APR-1 ECM suite |
|
Complement |
86 |
|
Diving depth operational, m |
135 |
| Data variant | S15 |
|
Displacement standard, t |
1650 |
|
Displacement normal, t |
1975 / 2450 |
|
Length, m |
99.5 |
|
Breadth, m |
8.20 |
|
Draught, m |
5.20 |
|
No of shafts |
2 |
|
Machinery |
3 Fairbanks-Morse diesel-generators / 4 electric motors |
|
Power, h. p. |
4610 / 5400 |
|
Max speed, kts |
17.2 / 14.5 |
|
Fuel, t |
diesel oil 378 - 472 |
| Endurance, nm(kts) | 11000 (10) / 96 (2) |
|
Armament |
10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern) |
|
Electronic equipment |
SS-2A radar, BQR-2B, BQS-2, SQR-3, BQG-4 PUFFS sonars, BLR-1 ECM suite |
|
Complement |
86 |
|
Diving depth operational, m |
120 |
Project history: Former USN Tench classes submarines. First four were modernized under GUPPY II programme, Goiás under GUPPY III programme.
Modernizations: None.
Naval service: No significant events.
Goiás 1975
© Ivan Gogin, 2018