Pohjanmaa-class corvette

	Preliminary 3D rendering of the Pohjanmaa class
Class overview
Name	Pohjanmaa-class corvette
Builders	Rauma Marine Constructions
Operators	Finnish Navy
Preceded by	Rauma class; Hämeenmaa class; Pohjanmaa;
Cost	About 1.3 billion euro for 4 ships
Built	2023–present
In commission	2027– (first ship); 2029– (all ships);
On order	4
Building	4
General characteristics
Type	Corvette
Displacement	4,300 t (4,200 long tons)
Length	117 m (383 ft 10 in)
Beam	16 m (52 ft 6 in)
Draught	5 m (16 ft 5 in)
Ice class	1A (Finnish class)
Installed power	1 × GE LM2500 gas turbine; 4 × MAN 12V175D-MEL generating sets (4 × 1,920 kW);
Propulsion	Combined diesel-electric and gas (CODLAG) propulsion; 28 MW (38,000 hp); 2 × controllable pitch propellers ; 2 × bow thrusters;
Speed	26 knots (48 km/h; 30 mph)
Range	3,500 nmi (6,500 km; 4,000 mi)
Endurance	14 days
Complement	70
Sensors &; processing systems	Systems:; Saab 9LV CMS (combat management system); Saab Lightweight Integrated Mast (SLIM); Radars:; 4 × Sea Giraffe 4A FF (3D, S-band (IEEE), AESA radar); 1 × Sea Giraffe 1X (3D, X-band (IEEE), AESA radar); Electro-optical sensors:; 2 × Saab CEROS 200 (optronic and radar tracking fire control director); Sonars:; Patria dual-tow Sonac DTS (a ASW sonar with 1 × active variable depth sonar + 1 × passive towed thin-line receiving array); 1 × Kongsberg SS2030 (hull-mounted ASW sonar); 1 × Kongsberg SD9500; Communications:; Saab TactiCall integrated communication system; Satellite; UHF; Navigation:; Exail Marins M3 INS (inertial navigation system); Exail Phins (redundant INS); Netans DDU (Data Distribution Units);
Electronic warfare; & decoys	Systems:; Saab NLWS (naval laser warning system); ESM; ECM; COM-ESM; Counter-measures:; 4 × Rheinmetall MASS decoy systems;
Armament	Torpedoes:; 2 × Saab Dynamics Tub m/20 torpedo launchers, launching Saab lightweight torpedo; Missiles:; 1 × 8-cell Mk 41 VLS, with 4 × RIM-162 ESSM Block 2 (ITO 20) anti-air missiles per cell; 2 × 4-cell launchers with Gabriel V (PTO 2020) anti-ship missiles; Naval guns:; 1 × Bofors 57 mm/70 SAK Mk3, with Bofors 3P airburst munitions; RCWS:; 2 × Saab Trackfire; Naval mines:; Stern rails for 100 × PB 17 naval mines;
Aviation facilities	Helicopter deck:; 1 × deck at the stern; Aircraft hangar:; Dimensioned for 1 midsize helicopter (such as the NH90) and a UAV;

The Pohjanmaa class is a series of four multi-role corvettes under construction for the Finnish Navy as part of the Squadron 2020 (Finnish: Laivue 2020) programme. The class is intended to form the core of Finland’s surface combatant fleet together with the four Hamina-class missile boats.

The Pohjanmaa-class corvettes will replace several older vessels that have already been decommissioned or are scheduled for retirement, including the minelayer Pohjanmaa, the two Hämeenmaa-class minelayers, and the four Rauma-class missile boats. The new vessels are expected to enter service in the late 2020s.