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Japanese icebreaker Shirase (AGB-5003)
Shirase (AGB-5003)
Career
Name: Shirase
Namesake: Shirase Glacier
Laid down: 15 March 2007
Launched: 16 April 2008
Commissioned: 20 May 2009
Homeport: Yokosuka
Status: Active
General characteristics
Type: Icebreaker
Displacement: 12,500 long tons (12,701 t)
Length: 138 m (452 ft 9 in)
Beam: 28 m (91 ft 10 in)
Draft: 9.2 m (30 ft 2 in)
Propulsion: Diesel-electric, 30,000 PS
Speed: 15 knots (17 mph; 28 km/h)
Complement: Approx. 250
Aircraft carried: 3 helicopters

Shirase (しらせ) (Hull number: AGB-5003) is a Japanese icebreaker operated by the Japan Maritime Self-Defense Force and Japan's fourth icebreaker for Antarctic expeditions. Her predecessor (AGB-5002) had the same name.

She was launched in April 2008 and commissioned in May 2009. She began her first voyage on 10 November 2009 (Japan Standard Time).

Naming[]

In Japanese, the name "Shirase" is written in hiragana.[1] Due to a JMSDF internal naming rule, an icebreaker must take its name from a place.[2] Accordingly, the Shirase is said to take its name from Shirase Glacier.[1] This glacier bears the family name of Lieutenant Nobu Shirase, a Japanese pioneer of Antarctic exploration.[3]

Operations[]

In February 2013, anti-whaling group Sea Shepherd Conservation Society claimed the Shirase was sent to monitor its interference with the Japanese cetacean research fleet.[4] However, according to the National Institute of Polar Research, the icebreaker was in fact far to the west off the coast of Antarctica near the Showa Base, at the time.[5] The Japanese Government subsequently confirmed that the vessel was not involved in any operation related to the whaling program,[6] and that Sea Shepherd's claims were "completely fake".[7]

On 17 February 2014, the Shirase ran aground just off the unmanned Molodyozhnaya Station in Antarctica. While the outer hull was penetrated, the vessel was in no danger of sinking and no fuel oil leakage was reported.[8]

On August 17, 2017, a CH-101 helicopter of the Japan Maritime Self-Defense Force assigned to the Shirase crashed at Iwakuni Air Base in Yamaguchi Prefecture. Four crewmembers were injured.[9][10][11]

Notes[]

  1. 1.0 1.1 "砕氷艦「しらせ」除籍記念特集サイト" (in Japanese). Special site memorializing retired icebreaker "Shirase". Japan Maritime Self-Defense Force. http://www.mod.go.jp/msdf/formal/info/sirase/index_kinen.html. Retrieved 10 February 2010. 
  2. "世界有数の砕氷船「しらせ」" (in Japanese). The world's foremost icebreaker "Shirase". National Institute of Polar Research. p. 1. http://www.nipr.ac.jp/~academy/science/shirase/shirase01.html. Retrieved 10 February 2010. 
  3. 遠藤知子 (November 2003). "南極観測船しらせ(晴海埠頭)" (in Japanese). Antarctic observation ship Shirase (Harumi Pier). Akita Prefecture. http://www.pref.akita.lg.jp/icity/browser?ActionCode=content&ContentID=1141722804066&SiteID=0. Retrieved 10 February 2010. 
  4. Andrew Darby "Military icebreaker arrives to defend Japanese whalers". The Age. February 25, 2013. Retrieved February 25, 2013.
  5. National Institute of Polar Research
  6. http://www.theaustralian.com.au/opinion/letters/japans-friendship/story-fn558imw-1226588753583
  7. http://www.sbs.com.au/news/article/1751260/Sea-Shepherd-claims-false-Japan
  8. http://www3.nhk.or.jp/nhkworld/english/news/20140218_01.html
  9. https://www.japantimes.co.jp/news/2017/08/18/national/four-msdf-servicemen-treated-helicopter-flips-iwakuni-air-base/
  10. https://www.stripes.com/news/pacific/four-injured-after-japanese-military-helicopter-flips-over-at-iwakuni-1.483461
  11. https://web.archive.org/web/20171013172817/http://www.janes.com/article/73206/japanese-navy-helicopter-crashes-during-vertrep-training-injures-three
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