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| Names | Builders | Completed | Losses | Transfers | Discarding |
|---|---|---|---|---|---|
33 boats |
North Korea: 33 boats |
1970s-1980s: 33 boats |
none |
none |
in service (2019): 33 boats |
| Displacement standard, t | 55 |
|---|---|
| Displacement full, t | 67 |
| Length, m | 25.3 |
| Breadth, m | 6.10 |
| Draught, m | 1.70 |
| No of shafts | 4 |
| Machinery | 4 M50F-4 diesels |
| Power, h. p. | 4800 |
| Max speed, kts | 43 |
| Fuel, t | diesel oil |
| Endurance, nm(kts) | 600(15) |
| Armament | 2 x 1 - 37/63 70K or 2 x 2 - 25/82 2M-3M, 4 DC |
| Electronic equipment | Zarnitsa or type 351 radar |
| Complement | 15 - 20 |
Steel-hulled version of Soviet project 183 with no TTs.
None.
No significant events.

