:JS Setoyuki

{{short description|Hatsuyuki-class destroyer}}

{{Use dmy dates|date=December 2020}}

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{{Infobox ship image

| Ship image = TV-3518 02l.jpg

| Ship caption = JS Setoyuki (TV-3518) on 27 July 2010

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{{Infobox ship career

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| Ship country = Japan

| Ship flag = {{shipboxflag|Japan|naval}}

| Ship name = *Setoyuki

  • (せとゆき)

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| Ship ordered = 1982

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| Ship builder = *Mitsui Shipbuilding, Tamano

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| Ship laid down = 26 January 1984

| Ship launched = 3 July 1985

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| Ship commissioned = 17 December 1986

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| Ship decommissioned = 23 December 2021

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| Ship homeport = Kure

| Ship identification =*{{MMSI Number|431999521}}

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| Ship reclassified = TV-3518

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| Ship status = Retired

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{{Infobox ship characteristics

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| Ship class = Hatsuyuki-class destroyer

|Ship displacement=*2,950 tons standard,

  • 4,000 tons hull load

|Ship length= {{convert|130|m|ft|abbr=on}}

|Ship beam= {{convert|13.6|m|ftin|abbr=on}}

|Ship draft=*{{convert|4.2|m|ftin|abbr=on}}

  • {{convert|4.4|m|ftin|abbr=on}} (DD 129 to DD 132)

|Ship propulsion=*2 × KHI-RR TM3B gas turbines, {{convert|45000|shp|MW|lk=in|abbr=on}}

  • 2 × KHI-RR RM1C gas turbines, {{convert|9900|shp|MW|abbr=on}}
  • 2 shafts, cp props

|Ship speed= {{convert|30|kn|mph km/h|lk=in}}

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|Ship complement=200

|Ship sensors=*OYQ-5 tactical data system

|Ship EW=*NOLR-6C intercept

|Ship armament=*1 × OTO Melara 76 mm gun

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|Ship aircraft= 1 × HSS-2B or SH-60J helicopter

|Ship aircraft facilities= Hangar and helipad

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JS Setoyuki (DD-131/TV-3518) was a Hatsuyuki-class destroyer of the Japanese Maritime Self-Defense Force.{{Cite book|last=Takao|first=Ishibashi|title=All Maritime Self-Defense Force Ships 1952-2002|publisher=Namiki Shobo|year=2002}}{{Cite book|title=Ships of the World|publisher=Gaijinsha|date=November 2011|volume=750}}

Development and design

{{Main|Hatsuyuki-class destroyer}}

Adopting Japan's first all-gas turbine engine (COGOG), equipped with well-balanced weapons such as helicopters, C4I systems, and various missiles, it is inferior to Western frigate at that time. It has been evaluated as a non-escort ship. Twelve ships were built as first-generation general-purpose escort vessels in the era of eight ships and eight aircraft, they supported the escort fleet for a long time, but now they are gradually retiring due to aging.

In addition, there are many changes to training ships, and up to three ships have been operated in the training fleet as Shimayuki-class training ships, but the decline has begun with the conversion of Hatakaze-class destroyers to training ships.

The core of the combat system is the OYQ-5 Tactical Data Processing System (TDPS), composed of one AN/UYK-20 computer and five OJ-194B workstations and capable of receiving data automatically from other ships via Link-14 (STANAG 5514).

This is the first destroyer class in the JMSDF equipped with the Sea Sparrow Improved basic point defense missile system. The IBPDMS of this class uses FCS-2 fire-control systems of Japanese make and one octuple launcher at the afterdeck. And in the JMSDF, OTO Melara 76 mm compact gun and Boeing Harpoon surface-to-surface missile are adopted from the ship of FY1977 including this class. Also, ships built in FY1979 and beyond carried Phalanx CIWS and were retrofitted to previous ships.{{Cite book|last=Kōda|first=Yōji|title=History of Domestic Built Destroyers of JMSDF|publisher=Gaijinsha|date=December 2015|volume=827}}

Construction and career

She was laid down on 26 January 1984 and launched on 3 July 1985 at Mitsui Engineering & Shipbuilding shipyard in Tamano. Setoyuki was commissioned on 17 December 1986.Saunders 2015, p. 451

On 14 March 2012, she was converted to a training ship and transferred to the 1st Training Corps of Training Fleet.

Citations

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References

  • {{cite book|editor-last1=Saunders |editor-first1=Stephen |title=IHS Jane's Fighting Ships 2015-2016 |year=2015 |publisher=IHS Global Limited |isbn=978-0-7106-3143-5 }}