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JDS Hayashio (SS-521)
File:JS Hayashio (SS-521).jpg
JDS Hayashio
Career (Japan) Naval Ensign of Japan
Name:
  • Hayashio
  • (はやしお)
Namesake: Hayashio (1939)
Ordered: 1959
Builder: Mitsubishi, Kobe
Laid down: 6 June 1960
Launched: 31 July 1961
Commissioned: 30 June 1962
Decommissioned: 25 July 1977
Homeport: Kure
Identification:
Fate: Scrapped, November 1977
General characteristics
Class & type: Hayashio-class submarine
Displacement:
  • 750 long tons (762 t) (surfaced)
  • 800 long tons (813 t) (submerged)
Length: 59 m (193 ft 7 in)
Beam: 6.5 m (21 ft 4 in)
Draft: 4.1 m (13 ft 5 in)
Depth: 6.4 m (21 ft 0 in)
Propulsion:
  • Diesel-electric, 2 shafts
  • 900 BHP (surfaced)
  • 2,300 SHP (submerged)
Speed:
  • 11 knots (20 km/h; 13 mph) surfaced
  • 14 knots (26 km/h; 16 mph) submerged
  • Complement: 40
    Armament: 3 × 533 mm (21 in) torpedo tubes

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

    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. June 1970. p. 41. 
    4. Maritime Self-Defense Force News, Ships of the World, June 1971, No. 166. Gaijinsha. June 1971. pp. 81. 


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