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{{Short description|North Korean midget submarine class}}
{{More citations needed|date=January 2017}}
{|{{Infobox ship begin |sclass=2}}
{|{{Infobox ship begin |sclass=2}}
{{Infobox ship image
{{Infobox ship image
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{{Infobox ship class overview
{{Infobox ship class overview
|Name=Yugo class
|Name=Yugo class
|Builders=[[Yukdaeso-ri]] shipyard<ref name="NKGS">{{Cite web|url=https://www.globalsecurity.org/military/world/dprk/industry.htm|title=North Korea – Military Industry|website=www.globalsecurity.org}}</ref>
|Builders=[[Yukdaeso-ri]] shipyard
|Operators= See ''[[Yugo-class submarine#Operators|Operators]]''
|Operators=*{{navy|DPRK}} (former)
*{{navy|Iran}} (current)
*{{navy|Vietnam}} (decommissioned)
|Class before=
|Class before=
|Class after=[[Sang-O class submersible|Sang-O class]]
|Class after={{sclass2|Sang-O|submarine|4}}
|Subclasses=
|Subclasses=
|Cost=
|Cost=
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|Total ships lost=3
|Total ships lost=3
|Total ships retired=1
|Total ships retired=1
|Total ships preserved=none
|Total ships preserved=
}}
}}
{{Infobox ship characteristics
{{Infobox ship characteristics
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|Header caption=
|Header caption=
|Ship class=
|Ship class=
|Ship type=[[midget submarine]]
|Ship type=[[Midget submarine]]
|Ship tonnage=
|Ship tonnage=
|Ship displacement=90 up to 110 tons (submerged)
|Ship displacement=90 up to 110 tons (submerged)
|Ship length={{cvt|20|m|ftin}}
|Ship tons burthen=
|Ship length=20 m
|Ship beam={{cvt|2|m|ftin}}
⚫
|Ship beam=2 m
|Ship height=
|Ship height=
|Ship draught=
|Ship draught=
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|Ship propulsion=Single-shaft MTU diesel engine
|Ship propulsion=Single-shaft MTU diesel engine
|Ship sail plan=
|Ship sail plan=
|Ship speed=*{{convert|10|kn|km/h}} surfaced
|Ship speed=*{{convert|10|kn}} surfaced
*{{convert|4|kn|km/h}} submerged
*{{convert|4|kn}} submerged
⚫
|Ship range=
|Ship range=Unable to reach the southern extreme of [[South Korea]]
|Ship endurance=
|Ship endurance=
|Ship test depth=
|Ship test depth=
|Ship boats=
|Ship boats=
|Ship capacity=4-6 [[Special forces]] troops
|Ship capacity=4–6 [[special forces]] troops
|Ship troops=
|Ship troops=
|Ship complement=
|Ship complement=
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|Ship sensors=
|Ship sensors=
|Ship EW=
|Ship EW=
|Ship armament=Some armed with two {{convert|21|in|mm|adj=on}} [[torpedo]]es, possibly in drop collars.
|Ship armament=Some armed with two {{cvt|21|in|mm|0|order=flip}} [[torpedo]]es, possibly in [[drop collar]]s.
|Ship armour=
|Ship armour=
|Ship armor=
|Ship armor=
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|}
|}


The '''Yugo class submarine''' is a class of four [[midget submarine]]s used primarily for infiltration and espionage by [[North Korea]]. The class is so named because it was built to plans supplied to North Korea by [[Yugoslavia]] in 1965.{{CN|date=November 2019}}
The '''Yugo-class submarine''' is a class of four [[midget submarine]]s used primarily for infiltration and espionage by [[North Korea]]. The Yugo class was given its name because it was built to plans supplied to North Korea by [[Yugoslavia]] in 1965.<ref name="GSYUGO">{{Cite web|url=http://www.globalsecurity.org/military/world/dprk/s-yugo.htm|title=SSM Yugo and P-4 class (Midget Submarine) (SSW)|date=December 26, 2015|archive-url=https://web.archive.org/web/20151226195501/http://www.globalsecurity.org/military/world/dprk/s-yugo.htm|archive-date=2015-12-26}}</ref>


== Description ==
== Design ==
The Yugo-class is a family of midget submarines which are not all identical. The displacement is either the standard 90 tons of the original Yugoslavian design for the early units, or 110 tons for the later units. Armament is either a pair of 400&nbsp;mm torpedo tubes (early units) or a pair of 21 in (533mm) short torpedo tubes (later units).{{CN|date=November 2019}}
The Yugo class is a family of midget submarines that are not all identical. The [[Displacement (ship)|displacement]] is either the standard 90 tons of the original Yugoslavian design for the early units or 110 tons for the later units. Armament is either a pair of {{cvt|400|mm}} [[torpedo tube]]s (early units) or a pair of {{cvt|21|in|mm|order=flip|0}} short torpedo tubes (later units).{{Citation needed|date=November 2019}}


All units have the same range: {{convert|550|nmi|km}} at {{convert|10|kn|km/h}} on the surface and {{convert|50|nmi|km}} at {{convert|4|kn|km/h}} submerged.{{CN|date=November 2019}}
All units have the same range: {{convert|550|nmi|lk=in}} at {{convert|10|kn|lk=in}} on the surface and {{convert|50|nmi}} at {{convert|4|kn}} submerged.{{Citation needed|date=November 2019}}


== History ==
== History ==
The final vessel was built in the 1980s, after which they were superseded by the [[Sang-O class submersible]]s. In 1998 one out of 6 submarines was [[1998 Sokcho submarine incident|captured by the South Koreans]].
The final vessel was built in the 1980s, after which they were superseded by the {{sclass2|Sang-O|submarine|1}}s. On 12 June 1998, one out of six submarines was [[1998 Sokcho submarine incident|captured by the South Koreans]].<ref name="GSYUGO"/><ref>{{Cite web|url=https://nationalinterest.org/blog/the-buzz/how-north-korean-spy-submarines-mechanical-meltdown-ended-19815|title=How a North Korean Spy Submarine's Mechanical Meltdown Ended in Shocking Tragedy|first=Sebastien|last=Roblin|date=March 18, 2017|website=The National Interest}}</ref>


⚫
In the early 2000s, Vietnam "gained experience" with these craft prior to ordering Russian {{sclass2|Kilo|submarine|0}} diesel-electric submarines for denial of area capabilities, specifically against China's fleet per the Foreign Policy Research Institute.<ref>{{Cite web|url=https://www.fpri.org/article/2019/10/building-from-scratch-rebirth-of-the-philippine-navy/|title=Building from Scratch: Rebirth of the Philippine Navy – Foreign Policy Research Institute|website=www.fpri.org}}</ref>
In July 2007, 4 were transferred to [[Iran]] to repay part of North Korea's debts to Iran. The last one was retired, but kept by the North Koreans.{{CN|date=November 2019}}


⚫
In March 2016, it was announced that the North Korean Navy had lost one of the ships during [[Military exercise|exercises]].<ref name="CBS">{{cite news|title=North Korea has reportedly lost a submarine|url=http://www.cbsnews.com/news/north-korea-submarine-missing-presumed-sunk-us-south-korea-military/|access-date=14 March 2016|work=[[CBS News]]|agency=[[Reuters]]|date=14 March 2016}}</ref><ref name="BBC">{{cite news|title=North Korea submarine 'missing' as US-South Korea drills continue|url=https://www.bbc.com/news/world-asia-35793980|access-date=14 March 2016|work=[[BBC]]|date=12 March 2016}}</ref><ref name="Payton">{{cite news|last1=Payton|first1=Matt|title=North Korean submarine that went missing is believed to have sunk, new reports claim|url=https://www.independent.co.uk/news/world/asia/north-korean-submarine-that-went-missing-is-believed-to-have-sunk-new-reports-claim-a6928616.html |archive-url=https://ghostarchive.org/archive/20220507/https://www.independent.co.uk/news/world/asia/north-korean-submarine-that-went-missing-is-believed-to-have-sunk-new-reports-claim-a6928616.html |archive-date=2022-05-07 |url-access=subscription |url-status=live|access-date=14 March 2016|work=[[The Independent]]|date=13 March 2016}}{{cbignore}}</ref>
⚫
In the early 2000s, Vietnam "gained experience" with these craft prior to ordering Russian Kilo-class diesel-electric submarines for denial of area capabilities, specifically against Red China's fleet per the Foreign Policy Research Institute.[https://www.fpri.org/article/2019/10/building-from-scratch-rebirth-of-the-philippine-navy/]


==Operators==
⚫
In March 2016, it was announced that the North Korean Navy had lost one of the ships during exercises.<ref name="CBS">{{cite news|title=North Korea has reportedly lost a submarine|url=http://www.cbsnews.com/news/north-korea-submarine-missing-presumed-sunk-us-south-korea-military/|accessdate=14 March 2016|work=[[CBS News]]|agency=[[Reuters]]|date=14 March 2016}}</ref><ref name="BBC">{{cite news|title=North Korea submarine 'missing' as US-South Korea drills continue|url=https://www.bbc.com/news/world-asia-35793980|accessdate=14 March 2016|work=[[BBC]]|date=12 March 2016}}</ref><ref name="Payton">{{cite news|last1=Payton|first1=Matt|title=North Korean submarine that went missing is believed to have sunk, new reports claim|url=https://www.independent.co.uk/news/world/asia/north-korean-submarine-that-went-missing-is-believed-to-have-sunk-new-reports-claim-a6928616.html|accessdate=14 March 2016|work=[[The Independent]]|date=13 March 2016}}</ref>
<!--READ FIRST: This section is for cited entries only. Please do not add entries into this list without a citation from a reliable source. All entries without a citation will be removed. Thank you.-->


* {{flag|North Korea}}<ref>{{cite web |url=https://www.38north.org/wp-content/uploads/2010/06/38north_SR_Bermudez2.pdf |title=38 NORTH SPECIAL REPORT: A NEW EMPHASIS ON OPERATIONS AGAINST SOUTH KOREA |date=11 June 2010 |website=www.38north.org |access-date=2021-07-21}}</ref>
==Export and foreign production==
* {{flag|Vietnam}}: Purchased in 1997.<ref name="GSYUGO"/> These were used by [[Vietnam People's Navy]] for swimmer delivery operations aside from conventional submarine operations.<ref name="GSYUGO"/> The purchase was done by bartering.<ref>{{Cite web|url=https://news.usni.org/2012/08/20/russian-subs-vietnam|title=Russian Subs in Vietnam|date=August 20, 2012}}</ref> Kim Jong-il personally approved of the delivery to make amends for not paying Vietnam for purchasing 20,000 tons of rice.<ref>{{Cite web|url=https://www.nknews.org/2013/08/the-colorful-history-of-north-korea-vietnam-relations/|title=The colorful history of North Korea-Vietnam relations &#124; NK News – North Korea News|date=March 31, 2015|archive-url=https://web.archive.org/web/20150331053558/https://www.nknews.org/2013/08/the-colorful-history-of-north-korea-vietnam-relations/|archive-date=2015-03-31}}</ref>
A variation of the Yugo class has been spotted in La Havana harbour, [[Cuba]].{{CN|date=November 2019}} Only a single vessel has been seen,{{when|date=September 2016}} and it is unknown the actual number of units and the key differences with the original Yugo.{{CN|date=November 2019}} Rumored to be named "Delfin", it's unknown if it was built in North Korea, or in Cuba with Korean assistance.
* {{flag|Cuba}}: Classified as a 'Delfin-class submarine' and is rumored to have either been built in North Korea or locally assembled in Cuba with North Korean assistance.<ref>{{Cite web|url=http://www.hisutton.com/Delfin-Class-Submarine.html|title=H I Sutton - Covert Shores}}</ref><ref>{{cite web | url=https://news.usni.org/2021/05/17/new-photos-reveal-details-of-cubas-tiny-lethal-attack-submarine | title=New Photos Reveal Details of Cuba's Tiny, Lethal Attack Submarine | date=17 May 2021 }}</ref>


== See also ==
== See also ==
* {{sclass|Una|submarine|1}}, Yugoslav midget submarines
⚫
{{Portal|North Korea}}
* [[List of submarine classes in service]]


== References ==
== References ==
{{Reflist}}
{{Reflist}}


⚫
{{Portalbar|North Korea}}
{{Ship classes of the Iranian Navy}}

[[Category:Submarines of the Korean People's Navy]]
[[Category:Submarines of the Korean People's Navy]]
[[Category:Midget submarines]]
[[Category:Midget submarines]]
[[Category:Submarines of the Islamic Republic of Iran Navy]]

Latest revision as of 18:29, 2 July 2024

Class overview
NameYugo class
BuildersYukdaeso-ri shipyard[1]
OperatorsSee Operators
Succeeded bySang-O class
In commissionLate 1960s
Completed8
Active4
Lost3
Retired1
General characteristics
TypeMidget submarine
Displacement90 up to 110 tons (submerged)
Length20 m (65 ft 7 in)
Beam2 m (6 ft 7 in)
PropulsionSingle-shaft MTU diesel engine
Speed
  • 10 knots (19 km/h; 12 mph) surfaced
  • 4 knots (7.4 km/h; 4.6 mph) submerged
Capacity4–6 special forces troops
ArmamentSome armed with two 533 mm (21 in) torpedoes, possibly in drop collars.
NotesFirst successful indigenous midget submarine

The Yugo-class submarine is a class of four midget submarines used primarily for infiltration and espionage by North Korea. The Yugo class was given its name because it was built to plans supplied to North Korea by Yugoslavia in 1965.[2]

Design

[edit]

The Yugo class is a family of midget submarines that are not all identical. The displacement is either the standard 90 tons of the original Yugoslavian design for the early units or 110 tons for the later units. Armament is either a pair of 400 mm (16 in) torpedo tubes (early units) or a pair of 533 mm (21 in) short torpedo tubes (later units).[citation needed]

All units have the same range: 550 nautical miles (1,020 km; 630 mi) at 10 knots (19 km/h; 12 mph) on the surface and 50 nautical miles (93 km; 58 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged.[citation needed]

History

[edit]

The final vessel was built in the 1980s, after which they were superseded by the Sang-O-class submarines. On 12 June 1998, one out of six submarines was captured by the South Koreans.[2][3]

In the early 2000s, Vietnam "gained experience" with these craft prior to ordering Russian Kilo-class diesel-electric submarines for denial of area capabilities, specifically against China's fleet per the Foreign Policy Research Institute.[4]

In March 2016, it was announced that the North Korean Navy had lost one of the ships during exercises.[5][6][7]

Operators

[edit]
  •  North Korea[8]
  •  Vietnam: Purchased in 1997.[2] These were used by Vietnam People's Navy for swimmer delivery operations aside from conventional submarine operations.[2] The purchase was done by bartering.[9] Kim Jong-il personally approved of the delivery to make amends for not paying Vietnam for purchasing 20,000 tons of rice.[10]
  •  Cuba: Classified as a 'Delfin-class submarine' and is rumored to have either been built in North Korea or locally assembled in Cuba with North Korean assistance.[11][12]

See also

[edit]

References

[edit]
  1. ^ "North Korea – Military Industry". www.globalsecurity.org.
  2. ^ a b c d "SSM Yugo and P-4 class (Midget Submarine) (SSW)". December 26, 2015. Archived from the original on 2015-12-26.
  3. ^ Roblin, Sebastien (March 18, 2017). "How a North Korean Spy Submarine's Mechanical Meltdown Ended in Shocking Tragedy". The National Interest.
  4. ^ "Building from Scratch: Rebirth of the Philippine Navy – Foreign Policy Research Institute". www.fpri.org.
  5. ^ "North Korea has reportedly lost a submarine". CBS News. Reuters. 14 March 2016. Retrieved 14 March 2016.
  6. ^ "North Korea submarine 'missing' as US-South Korea drills continue". BBC. 12 March 2016. Retrieved 14 March 2016.
  7. ^ Payton, Matt (13 March 2016). "North Korean submarine that went missing is believed to have sunk, new reports claim". The Independent. Archived from the original on 2022-05-07. Retrieved 14 March 2016.
  8. ^ "38 NORTH SPECIAL REPORT: A NEW EMPHASIS ON OPERATIONS AGAINST SOUTH KOREA" (PDF). www.38north.org. 11 June 2010. Retrieved 2021-07-21.
  9. ^ "Russian Subs in Vietnam". August 20, 2012.
  10. ^ "The colorful history of North Korea-Vietnam relations | NK News – North Korea News". March 31, 2015. Archived from the original on 2015-03-31.
  11. ^ "H I Sutton - Covert Shores".
  12. ^ "New Photos Reveal Details of Cuba's Tiny, Lethal Attack Submarine". 17 May 2021.
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