| Name | No | Builder | Laid down | Launched | Comp | Fate |
| Amazonas | CF11 | Electric Boat, Groton, USA | 1934 | 7/1935 | active service (2011) | |
| Loreto | CF12 | Electric Boat, Groton, USA | 1934 | 7/1935 | active service (2011) |
|
Displacement standard, t |
250 |
|
Displacement full, t |
|
|
Length, m |
44.1 pp 46.7 oa |
|
Breadth, m |
6.71 |
|
Draught, m |
1.37 |
|
No of shafts |
2 |
|
Machinery |
diesels |
|
Power, h. p. |
750 |
|
Max speed, kts |
15.5 |
|
Fuel, t |
diesel oil |
| Endurance, nm(kts) | 4000(10) |
|
Armament |
4 x 1 - 76/50 Mk 20, 2 x 1 - 47/40 Hotchkiss, 2 x 1 - 7.7/94 |
|
Complement |
35 |
Ship project history: Built for service on upper Amazon. Boats differed from "classical" river gunboats by "laconic" outline profile, diesel machinery and DP guns.
Modernizations: 1960s, both: - 3 x 1 - 76/50, 2 x 1 - 47/40, 2 x 1 - 7.7/94; + 3 x 1 - 40/60 Bofors Mk 3, 2 x 1 - 20/70 Oerlikon
Naval service: Both ships are in active service (2011).
Amazonas 1935
Amazonas 1999
© Ivan Gogin, 2011