Country: Finland.
Class, [Type]: Ruotsinsalmi, [ML].
Homeport: Upinniemi.
Builder: Wärtsilä Helsinki Shipyard, Finland.
Laid down: 4 May 1978.
Launch date: 28 August 1978.
Commission date: 8 June 1979.
Displacement ( tons ): 1100 full load.
Dimensions ( metres ): 78 x 11,5 x 3.
Main machinery: 2 x Wärtsilä Vasa 16V22 diesels ( 6300 hp ).
Speed ( knots ): 19.
Range ( miles ): 3500 at 15 knots.
Complement: 90 plus 120 cadets when acting as a training ship.
Guns: 1 x 1 Bofors 57mm, 2 x 1 Bofors 40mm, 2 x 2 Sako 23mm, 2 x 1 12,7mm.
Mines: 120.
Radar: Air: DA-05; Surface: Phillips 9GR 600; Fire Control: Phillips 9LV 220.
Sonar: Simrad.
Countermeasures: Decoys: Philax chaff and IR flares.
Year of visit the Black Sea: 1986