Filin-class guard ship

	Model of ORP General Haller
Class overview
Builders	Ab Crichton; Turku, Finland;
Operators	Finnish Navy; Polish Navy; Kriegsmarine;
Built	1918-1919
In commission	1918–1952 (Finnish Navy); 1921-1939 (Polish Navy); 1939-1943 (Kriegsmarine);
Planned	6
Completed	4
Lost	2
Scrapped	2
General characteristics
Type	Gunboat
Displacement	342 tons
Length	50 m (160 ft)
Beam	7 m (23 ft 0 in)
Draft	2.9 m (9 ft 6 in)
Installed power	1,150 shp (860 kW)
Speed	15 knots (28 km/h; 17 mph)
Complement	48–63
Armament	Filin class: 1 × 75 mm/50 gun; 1 × 40 mm gun AA; Turunmaa after 1941: 2 × 75 mm/50 guns; 3 × 20 mm Madsen AA; 1 × 12.7 mm machine gun; 2 × DC mortar (SPH/37 or SPH/43); 30 mines;

Filin-class guard ships were a class of ships originally built in Finland as patrol vessels for the Imperial Russian Navy. With the withdrawal of Russia from the area, the ships went to other use.

Class overview
Model of ORP General Haller
Builders	Ab Crichton Turku, Finland
Operators	Finnish Navy Polish Navy Kriegsmarine
Built	1918-1919
In commission	1918–1952 (Finnish Navy) 1921-1939 (Polish Navy) 1939-1943 (Kriegsmarine)
Planned	6
Completed	4
Lost	2
Scrapped	2
General characteristics
Type	Gunboat
Displacement	342 tons
Length	50 m (160 ft)
Beam	7 m (23 ft 0 in)
Draft	2.9 m (9 ft 6 in)
Installed power	1,150 shp (860 kW)
Speed	15 knots (28 km/h; 17 mph)
Complement	48–63
Armament	Filin class: 1 × 75 mm/50 gun 1 × 40 mm gun AA Turunmaa after 1941: 2 × 75 mm/50 guns 3 × 20 mm Madsen AA 1 × 12.7 mm machine gun 2 × DC mortar (SPH/37 or SPH/43) 30 mines