JS ''Chiyoda'' (AS 405) was a

submarine rescue ship A submarine rescue ship is a surface support ship for submarine rescue and deep-sea salvage operations. Methods employed include the McCann Rescue Chamber, deep-submergence rescue vehicles (DSRV's) and diving operations. List of active subm ...

of the

Japan Maritime Self-Defense Force , abbreviated , also simply known as the Japanese Navy, is the maritime warfare branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan. The JMSDF was formed following the dissolution of the Imperial Japanese Navy (IJN) ...

. She was replaced by another ship of the same name, JS ''Chiyoda'' (AS 404), 128 m (420 ft) long, with a standard displacement of 5,600 tonnes (6,173 tons), on 20 March 2018.

History

''Chiyoda'' was built by

Mitsui Engineering & Shipbuilding () is a Japanese company. It is listed on the Nikkei 225. Mitsui E&S is one of the companies of the Mitsui Group. Established in 1917 as the Shipbuilding Division of Mitsui & Co. with the first shipyard at Tamano. In 1937 the shipyards became ...

Tamano is a city located in southern Okayama Prefecture, Japan. The city was officially founded on August 3, 1940. As of October 1, 2016, the city has an estimated population of 60,101 and a population density of 580 persons per km². The total area i ...

. She was laid down on January 19, 1983, and launched later that year on December 7, 1983.

References

* 1983 ships Auxiliary ships of the Japan Maritime Self-Defense Force Ships built by Mitsui Engineering and Shipbuilding Submarine rescue ships {{Japan-mil-ship-stub