JDS ''Nadashio'' (SS-577) was a Japanese

diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...

-electric weighing 2,250 tons. It was launched on 27 January 1983 and decommissioned by the Maritime Self-Defense Force on 1 June 2001.

Design and construction

The ''Yūshio''-class was an enlarged derivative of the preceding , with improved electronics and capable of diving to greater depths. Ten ''Yūshio''s were built, to a regular programme of one being ordered each

Fiscal Year A fiscal year (or financial year, or sometimes budget year) is used in government accounting, which varies between countries, and for budget purposes. It is also used for financial reporting by businesses and other organizations. Laws in many ...

. ''Nadashio'' was

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, with a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of and maximum draught of .

Displacement Displacement may refer to: Physical sciences Mathematics and Physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

was surfaced. Like the ''Uzushio''s, the class was of double-hull construction, with a streamlined teardrop hull. A electric motor drove a single propeller shaft, while two Kawasaki-MAN

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...

s could charge the ship's batteries and power the ship on the surface. Speed was submerged and on the surface. Six 21-inch (533 mm) torpedo tubes were fitted

amidships This glossary of nautical terms is an alphabetical listing of terms and expressions connected with ships, shipping, seamanship and navigation on water (mostly though not necessarily on the sea). Some remain current, while many date from the 17th t ...

, while ''Nadashio'' was the first of her class to be able to launch

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anti-ship missiles. She had a crew of 75–80. ''Nadashio'' was ordered under the Fiscal Year 1980 shipbuilding programme, and was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...

Mitsubishi Heavy Industries is a Japanese multinational engineering, electrical equipment and electronics corporation headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group and its automobile division is the predecessor of Mitsubishi Mo ...

Kobe Kobe ( , ; officially , ) is the capital city of Hyōgo Prefecture Japan. With a population around 1.5 million, Kobe is Japan's seventh-largest city and the third-largest port city after Tokyo and Yokohama. It is located in Kansai region, whic ...

shipyard on 16 April 1981. She was launched on 27 January 1983 and commissioned on 6 March 1984.

Service

In 1987, ''Nadashio'' was the first of her class to be fitted with a towed array sonar. On 23 July 1988 the submarine collided with and sank the

sports fishing Recreational fishing, also called sport fishing or game fishing, is fishing for leisure, exercise or competition. It can be contrasted with commercial fishing, which is professional fishing for profit; or subsistence fishing, which is fishing ...

boat ''Fuji Maru No 1'' causing the death of 30 people and injuring a further 17. Both the captain of ''Nadashio'' and the skipper of ''Fuji Maru No 1'' were given suspended prison sentences because of the collision, while the Director General of the Japanese Defense Agency resigned as a result of the accident.

Citations

References

* * {{DEFAULTSORT:Nadashio Yūshio-class submarines Maritime incidents in 1988 1983 ships Ships built by Mitsubishi Heavy Industries