JDS Hayashio (SS-521)

JDS Hayashio (SS-521) was the lead boat of the Hayashio-class submarines. She was commissioned on 30 June 1962.

For other ships with the same name, see Japanese ship Hayashio.

JDS Hayashio
History
Japan
Name
  • Hayashio
  • (はやしお)
NamesakeHayashio (1939)
Ordered1959
BuilderMitsubishi, Kobe
Laid down6 June 1960
Launched31 July 1961
Commissioned30 June 1962
Decommissioned25 July 1977
HomeportKure
IdentificationPennant number: SS-521
FateScrapped, November 1977
General characteristics
Class and typeHayashio-class submarine
Displacement
  • 750 long tons (762 t) (surfaced)
  • 800 long tons (813 t) (submerged)
Length59 m (193 ft 7 in)
Beam6.5 m (21 ft 4 in)
Draft4.1 m (13 ft 5 in)
Depth6.4 m (21 ft 0 in)
Propulsion
Speed
  • 11 knots (20 km/h; 13 mph) surfaced
  • 14 knots (26 km/h; 16 mph) submerged
Complement40
Armament3 × 533 mm (21 in) torpedo tubes

Construction and career

Hayashio was laid down at Mitsubishi Heavy Industries Kobe Shipyard on 6 June 1960 and launched on 31 July 1961. She was commissioned on 30 June 1962.[1][2]

On 1 August 1962, the 1st Submarine Corps was newly formed and incorporated under the Kure District Force.

On 1 March 1963, the 1st Submarine was reorganized under the Self-Defense Fleet.

From 2 June to 19 August 1964, she participated in Hawaii dispatch training with JDS Wakashio.

On 1 February 1965, the 1st Submarine was reorganized into the 1st Submarine Group, which was newly formed under the Self-Defense Fleet.

At around 6:40 pm on 20 May 1970, she came into contact with a large merchant ship during a dive training in a water area about 30 km east of Tanegashima, Kagoshima Prefecture, and damaged her periscope.[3]

She was decommissioned on 25 July 1977 and dismantled at Furusawa Steel in Etajima-cho in November 1977.[4]

Citations
  1. World Ships Special Edition 66th Collection Maritime Self-Defense Force All Ship History. Gaijinsha. 2004.
  2. World Ships Special Edition Vol. 665: History of Maritime Self-Defense Force Submarines. Gaijinsha. 2006.
  3. "海上自衛隊ニュース,世界の艦船". 海人社. Vol. 154. June 1970. p. 41.
  4. Maritime Self-Defense Force News, Ships of the World, June 1971, No. 166. Gaijinsha. June 1971. p. 81.

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