Helsinki 1990
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Helsinki | 60 | 428 | Wärtsilä, Helsinki | 3.9.1980 | 5.11.1980 | 1.9.1981 | stricken 2002 |
| Turku | 61 | 465 | Wärtsilä, Helsinki | 1.1.1984 | 1985 | 1.6.1985 | stricken 2002 |
| Oulu | 62 | 468 | Wärtsilä, Helsinki | 1.10.1985 | to Croatia 10.2008 (Vukovar) | ||
| Kotka | 63 | 469 | Wärtsilä, Helsinki | 16.6.1986 | to Croatia 10.2008 (Dubrovnik) |
Displacement
standard, t 250 Displacement
full, t 280 Length, m 45.0 Breadth, m 8.90 Draught, m 3.00
propellers No of shafts 3 Machinery 3 MTU 16V538
TB92 diesels Power, h. p. 12000 Max speed, kts 30 Fuel, t diesel oil
Endurance, nm(kts) Armament 2 x 4 RBS-15SF
SSM (8 RBS-15SF), 1 x 1 - 57/70 Bofors SAK-1, 2 x 2 - 23/87 Sako, 2 DCR (6),
mines instead of SSMs and DCRs
Electronic equipment 60: Raytheon,
9GA208, 9LV225 radars, SS304, SONAC-PTA sonars, DR-2000U ECM suite, 2x
Barricade decoy RL 61-63:
Raytheon, 9GA208, 9LV225 radars, EOS-400 e/o system, SS304, SONAC-PTA
(instead of 1 x 4 RBS-15SF SSM) sonars, DR-2000U ECM suite, 2x Barricade
decoy RL Complement 30
Project history: Prototype was ordered 5.10.1978 and three further 13.1.1981. Class of 12 was planned but construction was halted in favour of Rauma class. Aluminium hull. Only 3 or 4 SSMs and SONAC-PTA towed sonar were usually carried.
Modernizations: late 1980s, Helsinki: + EOS-400 e/o system
early 2000s, all: - 2 x 2 - 23/87; + 2 x 6 Sako SAM (12 Mistral)
Naval service: No significant events.
Oulu 2003
Many thanks to Wolfgang Stoehr for additional information on this page.
� Ivan Gogin, 2019