531 2000
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| i | 3025, later- 531 | Najin SY | 1972 | 1973 | in service (2019) | ||
| ii | 3026, later- 631, later- 591 | Napho SY | 1973 | 1975 | in service (2019) |
|
Displacement standard, t |
1200 |
|
Displacement full, t |
1500 |
|
Length, m |
100.0 |
|
Breadth, m |
10.0 |
|
Draught, m |
2.70 |
|
No of shafts |
2 |
|
Machinery |
2 diesels |
|
Power, h. p. |
15000 |
|
Max speed, kts |
25 |
|
Fuel, t |
diesel oil |
|
Endurance, nm(kts) |
4000(14) |
|
Armament |
2 x 1 - 100/56 B-34, 2 x 2 - 57/70 type 66, 4 x 2 - 25/82 2M-3M, 4 x 2 - 14.5/89, 1 x 3 - 533 TT, 4 x 5 RBU-1200 ASWRL, 2 DCT, 2 DCR, 30 mines |
| Electronic equipment | type 351, type 352, Fut-N, Rangout radars, Tamir-10 sonar, type 923-1 ECM suite, 6x 6-round decoy RL |
|
Complement |
190 |
Project history: Frigates of indigenious construction, based on Soviet project 42.
Modernizations: early 1980s, both: - 1 x 3 - 533 TT; + 1 x 2 P-15 Termit SSM (2 P-15)
late 1980s, both: - 1 x 2 P-15 Termit SSM, 4 x 2 - 14.5/89, 4 x 5 RBU-1200 ASWRL, 2 DCT; + 2 x 1 P-15 Termit SSM, 2 x 2 - 30/71 AK-230, MR-104 Rys' radar
late 2010s, both: - 2 x 1 P-15 Termit SSM; + 2 x 4 Kumsong-3 SSM (8 Kumsong-3)
late 2010s, 591: + 4 x 2 - 30/71 AK-230
Naval service: No significant events.
531 1993
© Ivan Gogin, 2019