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| Name | No | Yard No | Builder | Laid down | Launched | Comm | Fate |
|---|---|---|---|---|---|---|---|
| Rio Pardo | Arsenal de Marinha, Ilha das Cobras, Rio de Janeiro | 29.11.1943 | 5.1945 | discarded 1952 | |||
| Rio Negro | Arsenal de Marinha, Ilha das Cobras, Rio de Janeiro | ? | --- | cancelled ~1945 |
| Displacement standard, t |
|
|---|---|
| Displacement full, t | 132 |
| Length, m | 36.6 pp 39.0 oa |
| Breadth, m | 6.40 |
| Draught, m | 1.75 |
| No of shafts | 3 |
| Machinery | diesels |
| Power, h. p. | 1890 |
| Max speed, kts | 20 |
| Fuel, t | diesel oil |
| Endurance, nm(kts) | |
| Armament | 3 x 1 - 20/70 Mk 4, 2 DCT, 2 DCR |
| Complement |
Brazilian-designed submarine chasers, with facilitated armament. Design details are unknown. Second ship was cancelled.
None.
: In 1952 Rio Pardo was stricken and sold mercantile service.

