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| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
|---|---|---|---|---|---|---|---|
| TR-25 | 625 | Stocnia im. E. Kwiatkowskiego, Ustka | 12.10.1983 | stricken 2005 | |||
| TR-26 | 626 | Stocnia im. E. Kwiatkowskiego, Ustka | 12.10.1983 | stricken 2005 |
| Displacement standard, t | 245 |
|---|---|
| Displacement full, t | 269 |
| Length, m | 25.7 |
| Breadth, m | 7.22 |
| Draught, m | 3.25 |
| No of shafts | 1 |
| Machinery | 1 Sulzer-Puck 6AL20/24 diesel |
| Power, h. p. | 570 |
| Max speed, kts | 11 |
| Fuel, t | diesel oil |
| Endurance, nm(kts) | 3200(10) |
| Armament | MT-3U mechanical, SEMT-1 magnetic, BAT-2 acoustic minesweeping gear, towed line-charges |
| Electronic equipment | SRN-311 radar |
| Complement | 8 - 10 |
Conversions of Project B-410, project B-410S-IVS, 79dwt trawlers to tow line-charges - an effective but dangerous mine countermeasures technique. Were also used for naval reservist training.
None.
No significant events.

