Natsushima-class minelayer

	Natsushima in 1933
Class overview
Name	Natsushima class
Builders	Tōkyō Ishikawajima Zōsen Corporation; Harima Zōsen Corporation; Mitsubishi Heavy Industries;
Operators	Imperial Japanese Navy
Preceded by	Tsubame class
Succeeded by	Sokuten class
Subclasses	Natsushima class; Sarushima class;
Built	1931–1934
In commission	1933–1944
Completed	3
Lost	3
General characteristics Natsushima class
Type	Netlayer/Minelayer
Displacement	475.8 long tons (483 t) standard
Length	73.00 m (239 ft 6 in) overall
Beam	7.50 m (24 ft 7 in)
Draught	1.95 m (6 ft 5 in)
Installed power	2 × Kampon mix-fired boilers; 2,300 shp (1,700 kW);
Propulsion	2 × triple-expansion steam engines ; 2 shafts;
Speed	19.0 knots (35.2 km/h; 21.9 mph)
Range	2,500 nmi (4,600 km; 2,900 mi) at 14 kn (26 km/h; 16 mph)
Complement	74
Armament	2 × 76.2 mm (3.00 in) L/40 AA guns; 1 × 13 mm AA guns; 120 × Type 89 naval mines or 18 × depth charges or 1 × Type 14 510 m anti-submarine net;
General characteristics Sarushima class
Type	Netlayer/Minelayer
Displacement	566 long tons (575 t) standard
Length	73.00 m (239 ft 6 in) overall
Beam	7.49 m (24 ft 7 in)
Draught	2.02 m (6 ft 8 in)
Installed power	2,100 bhp (1,600 kW)
Propulsion	2 × MAN Mk.2 Model 9 diesels; 2 shafts;
Speed	18.0 knots (33.3 km/h; 20.7 mph)
Range	4,639 nmi (8,591 km; 5,338 mi) at 14.4 kn (26.7 km/h; 16.6 mph)
Complement	64
Armament	same as Natsushima class

The Natsushima-class minelayer (夏島型敷設艇,, Natsushima-gata Fusetsutei) was a class of minelayers of the Imperial Japanese Navy (IJN), serving during and after the 1930s through World War II. Their design was based on the Tsubame class, but with increased armament.