Hayashio-class submarine

	JDS Hayashio
Class overview
Name	Hayashio class
Builders	New Mitsubishi Heavy Industries,; Kawasaki Shipbuilding Corporation;
Operators	Japan Maritime Self-Defense Force
Preceded by	Oyashio
Succeeded by	Natsushio class
Built	1960–1962
In commission	1962–1979
Planned	2
Completed	2
Retired	2
General characteristics
Type	(Hunter-killer) submarine
Displacement	650 tonnes (640 long tons) (surfaced); 800 tonnes (790 long tons) (submerged);
Length	59 m (193 ft 7 in)
Beam	6.5 m (21 ft 4 in)
Draft	4.1 m (13 ft 5 in)
Propulsion	Sulzer-Mitsubishi Diesel-electric, 2 shafts; 1,300 kW (1,700 bhp) (surfaced); 1,700 kW (2,300 shp) (submerged);
Speed	11 knots (20 km/h; 13 mph) surfaced; 14 knots (26 km/h; 16 mph) submerged;
Complement	43
Armament	3 × 533 mm (21 in) torpedo tubes

The Hayashio-class submarine was the successor to the Oyashio, and the predecessor of the Natsushio class within the Japan Maritime Self-Defense Force. Ordered in 1959, the boats were small with limited capabilities but were successful. Constructed in Japan from 1960 to 1962, they remained in service until 1979 when they were decommissioned.

Class overview
JDS Hayashio
Name	Hayashio class
Builders	New Mitsubishi Heavy Industries, Kawasaki Shipbuilding Corporation
Operators	Japan Maritime Self-Defense Force
Preceded by	Oyashio
Succeeded by	Natsushio class
Built	1960–1962
In commission	1962–1979
Planned	2
Completed	2
Retired	2
General characteristics
Type	(Hunter-killer) submarine
Displacement	650 tonnes (640 long tons) (surfaced) 800 tonnes (790 long tons) (submerged)
Length	59 m (193 ft 7 in)
Beam	6.5 m (21 ft 4 in)
Draft	4.1 m (13 ft 5 in)
Propulsion	Sulzer-Mitsubishi Diesel-electric, 2 shafts 1,300 kW (1,700 bhp) (surfaced) 1,700 kW (2,300 shp) (submerged)
Speed	11 knots (20 km/h; 13 mph) surfaced 14 knots (26 km/h; 16 mph) submerged
Complement	43
Armament	3 × 533 mm (21 in) torpedo tubes