View source for Parchim-class corvette

{{Short description|East German anti-submarine ship}}
{{more citations needed|date=January 2013}}
{{Use dmy dates|date=April 2021}}
{|{{Infobox ship begin
| sclass = 2
}}
{{Infobox ship image
| Ship image = KRI Untung Surapati (372) and RBU-6000 anti-submarine rockets.jpg
| Ship caption = Indonesian corvette KRI ''Untung Surapati'' and [[RBU-6000]] anti-submarine rockets
}}
{{Infobox ship class overview
| Name = Parchim class
| Builders = [[Peene-Werft]], [[Wolgast]]
| Operators = * {{navy|East Germany}}
*{{naval|Germany}}
*{{naval|Soviet Union}}
*{{navy|Russia}}
*{{naval|Indonesia}}
| Class before = 
| Class after = 
| Subclasses = 
| Cost = 
| Built range = 1985–1989
| In service range = 
| In commission range = 
| Total ships building = 
| Total ships planned = 
| Total ships completed = 28
| Total ships cancelled = 
| Total ships active = 14 active in Indonesia, 6 active in Russia (Baltic Fleet)
| Total ships laid up = 
| Total ships lost = 
| Total ships retired = {{ubl|2 (Indonesian Navy)|6 (Russian Navy)}}
| Total ships preserved = 
}}
{{Infobox ship characteristics
| Hide header = 
| Header caption = 
| Ship type = Anti-submarine [[corvette]]
| Ship displacement = 800 tons standard, 950 tons full load
| Ship length = {{convert|72|m|ftin|abbr=on}}
| Ship beam = {{convert|9.40|m|ftin|abbr=on}}
| Ship draught = {{convert|4.60|m|ftin|abbr=on}}
| Ship propulsion = *3 shaft M504 diesels
| Ship power = {{convert|14,250|hp|kW|abbr=on}}
| Ship speed = {{convert|24.7|kn|km/h}}
| Ship range = {{convert|2100|nmi|km|-2|abbr=on}} at {{convert|14|kn}}
| Ship complement = 80
| Ship sensors = *Radar: Positive-E, Spin Trough
*Bass Tilt Hull Mounted Medium Frequency Sonar
| Ship armament = *1x twin 57&nbsp;mm gun [[:ru:АК-725|AK-725]]
*1x twin 30&nbsp;mm gun [[AK-230]]
*2x [[SA-N-5]] MANPAD positions
*2x [[RBU-6000]] anti submarine depth charge rocket launchers
*4x 400&nbsp;mm torpedo tubes
*12 depth charges
| Ship notes = 
}}
|}

The '''Parchim-class corvette,''' [[Soviet Union|Soviet]] designation '''Project 1331M''', was developed for the [[Volksmarine|East German Navy]] in the late 1970s, and built by the [[Wolgast]] Peene-Werft. The ships were designed for coastal anti-submarine warfare. In case of an all-out [[NATO]]-[[Warsaw Pact]] war in Europe their prime targets would have been the small [[Type 206 submarine|U-206]] [[coastal submarine]]s of the West German navy. The first ship, ''Wismar'' (now the Indonesian KRI ''Sutanto''), was launched on 9 April 1981 in [[Rostock]], and subsequently another 15 ships were built until 1986. To make production more economical, the Soviet Union agreed to purchase another 12 ships from Wolgaster Peenewerft built between 1986 and 1990, thereby effectively subsidising the East German shipbuilding industry.

The ships of the Soviet Navy were named Parchim II by NATO. Though useful as a coastal [[Anti-submarine warfare|ASW]] platform, the Soviet production of the similar but far more powerful {{sclass2|Grisha|corvette|4}} made this purchase even more illogical for the Soviet Navy. After German re-unification, some of the former East German ships were used briefly by the unified [[German Navy]]<ref name="conway95 p136">Conway 1995, p.136</ref> before all of them were sold to the [[Indonesian Navy]] in 1993. The Indonesian Navy extensively refurbished their Parchims, to the point where the refurbishing exceeded the cost of purchase. They are still in service, both in the Indonesian Navy and in the Russian [[Baltic Fleet]].

== Construction ==

The Parchims were built to replace the obsolete ''HAI III''-class subhunters of the Volksmarine. Because of their displacement, over 800 tons in full load, they were able to leave coastal waters, even in rough weather. Propulsion consisted of three Soviet-designed M 504 56-cylinder diesel engines, a development of the M 503 A fast attack craft engine. The middle engine provided power to a variable-pitch propeller for cruising speed, while the two outer engines served two outer fixed-pitch propellers for boost speed. Total power output was {{convert|14250|hp|kW|abbr=on|lk=in}}. The ships were constructed with regular (stainless) steel and consisted of ten waterproof compartments.

== Weapon systems and sensors ==

===Air defence===
[[File:Kazanets.jpg|thumb|left|Russian corvette ''Kazanets'', photographed before its collision in [[Øresund]].]]
For air defence, the ships were equipped with one double-barrel [[AK-230]] 30&nbsp;mm gun and one double-barrel [[:ru:АК-725|AK-725]] 57&nbsp;mm gun. The AK-725 double 57&nbsp;mm AA gun, designed in 1959, was directed by the ESP-72 fire control system, which received ranging and target bearing information from an MR 103 (NATO codename 'MUFF COB') radar. The MR 103 had a {{convert|1.30|m|ft|abbr=on}} parabolic radar dish, with an optical camera system slaved to it, as a backup system in case of failure or heavy [[Electronic warfare|EW]] environment. The barrels of the gun were water-cooled and belt-fed, with each belt containing 550 rounds, but the first round had to be manually chambered. In an emergency, the turret could be manually operated with an optical fire control system. The MR 103 radar system, already outdated when the Parchims were developed, used 1950s-style electromechanical systems, built around [[vacuum tube]]s. As a result, it was not considered to be an effective anti-missile system, or CIWS ([[Close-in weapon system]]), as was evidenced by a Soviet training accident in 1987 when a test missile drone accidentally locked in on a small Soviet Navy training vessel. Although the ship's AK-725 system kept firing until the moment of impact, no hits were scored and the ship was destroyed by the resulting fire, allegedly killing 39 crew members.

The AK-230 gun was a fully automatic, stabilized, NN-30 double-barrel, water-cooled, four-chamber revolver cannon. The guns had a 1,000 round per minute (rpm) rate of fire and were fed by independent 500 round ammunition belts. The regular associated radar system was the (NATO codename) DRUM TILT radar, which was not used in the Parchim class. According to some sources the AK-230 could not only be linked with the DRUM TILT but also with the MUFF COB radar system, but this is disputed by old East German naval sources. According to these East German sources, the AK-230 gun on the Parchim-class corvette was optically guided, thereby leaving the Parchim class without an effective CIWS, and therefore unable to counter anti-shipping missiles.

There were also two [[9K32 Strela-2|SA-N-5]] (Naval SA-7 or Strela II) [[MANPAD]] positions aboard the Parchims. But without an effective, radar guided [[Surface-to-air missile|SAM]] missile system, the Parchims were left completely vulnerable to enemy precision guided anti-shipping weapons. This was a major restriction and confined the Parchims to brown water coastal operations, close to the protective air force and air defence umbrella.

The air search radar was the ubiquitous (NATO codename) STRUT CURVE radar. This radar had a {{convert|4|m|ft|abbr=on}} parabolic radar dish, worked in the F-band frequency, and had a respectable {{convert|60|nmi|km|-1}} radar range against aircraft flying at {{convert|5000|m|ft|abbr=on}} height, and a less respectable {{convert|20|nmi|km|-1}} radar range against surface shipping or low flying aircraft. The electronic defense suite was very basic, and consisted of an IFF ([[Identification Friend or Foe]]) receiver and transmitter, and an 'ELOKA' multiband passive [[Radar warning receiver|RWR]] antenna slaved to a double 16-cell [[Chaff (countermeasure)|chaff]] dispenser.  All in all, air defence — or the lack of one — was a very restrictive factor in the tactical usefulness of the Parchim design.

===Anti-submarine warfare===

A major evolution over the old HAI III design was the new hydro-acoustic system. The [[sonar]] suite consisted of a bow sonar and a variable depth dipping sonar. The sonar screen was panoramic, meaning that it gave a two dimensional radarscope-like view of the surrounding waters. This was a major improvement over the old auditive system in the HAI III class. Another weakness of the old HAI III was its inability to 'see through' water layers with different temperatures. While sound propagates pretty well in water of the same temperature, it gets easily disturbed by even modest differences in water temperature. Especially in the hot summer months these natural occurring phenomena give submarines an easy hide out for probable sub-chasing surface vessels. A solution is the use of a 'dipping sonar', which in a way is nothing more than a small sonar attached to a long cable. By using this device the Parchim's sonar system was able to search the different water layers.

The Parchims were also provided with capable anti-submarine warfare weapons. The {{convert|400|mm|in|abbr=on|0}} [[torpedo tube]]s were loaded with acoustical and/or wire guided torpedoes. This gave the Parchims a precision submarine strike capability. The two [[RBU-6000]] depth charge rocket launchers created a barrier defense against submarines, incoming torpedoes and frogmen. Though relatively unsophisticated by western standards, the RBU-6000 was a very successful and popular system, used on many small or large surface ships. It consisted of a twelve launch tubes for unguided rockets, armed with a compact but powerful depth charge. Rockets were directed by simply changing the angle of the tubes and thereby the ballistics of the unguided rockets. The launcher could elevate between -15° and +60°, and could traverse 180°, with each launcher thus covering one side of the ship. Range was between 350 m and 6000 m, and the charges could reach 500 m deep. The rockets, RGB-60's, weighed {{convert|110|kg|lb|abbr=on}} of which {{convert|25|kg|lb|abbr=on}} was a high-explosive warhead. The ammunition was swiftly and automatically reloaded from a magazine below deck, by turning the tubes 90° vertically. Maximum magazine capacity was 96 rounds. The whole system was remotely directed by the ''Burya'' fire control system. The RBU-6000 could also be used for shore bombardment. The Parchims were also able to simply drop bigger and more powerful depth charges, and could transport and lay up to 60 mines.

== Overview ==

All in all, the Parchims were up to their task, namely to hunt and destroy enemy submarines in coastal waters. Because of their lack of any real anti-shipping weapons and more importantly because of the absence of a modern air defence capability, their '[[Blue-water navy|blue water]]' (out of the coastal regions) value would indeed have been slight. This shortcoming was partially offset by Volksmarine doctrine, which regarded the {{sclass2|Koni|frigate}}s, equipped with the radar guided [[SA-N-4|OSA/SA-N-4 SAM]]s, as the cornerstone of their naval blue water air defence. In other words, in order to survive a modern naval war, they had to be escorted by radar guided SAM carriers. But, as the biggest [[German Democratic Republic|GDR]] warship building project in history, the Parchim class truly was the "Höhepunkt des DDR-Kampfschiffbaus" ("Highpoint of East German warship construction".)

==Ships==
[[File:Three Indonesian Navy Kapitan Pattimura class on Tanjung Priok.jpg|thumb|283x283px|Indonesian Navy's Parchim-class corvettes in 2019]]
{{naval|Indonesia}}
*The 16 Parchims from the [[German Democratic Republic|GDR]] were purchased by [[Indonesia]] in 1992 in a deal worth US$12.7 million arranged by then Minister of Research and Technology, [[Jusuf Habibie|B.J. Habibie]]. The transfer from the [[Volksmarine]] also included 14 [[Teluk Gilimanuk-class landing ship|Frosch-class landing ship]]s and 9 [[Project 89 Kondor Minesweeper|Kondor-class minesweeper]]s.<ref>{{Cite book |title=Perkembangan Menonjol Pers Indonesia Periode 1991-1994 |publisher=TEMPO Publishing |year=2020 |isbn=9786232626959 |pages=63–66 |language=id}}</ref>
*The Parchims, also known as the '''''Kapitan Pattimura-''class''' underwent a significant rehabilitation which included air-conditioning and engine replacements in 2005.<ref name="fs2009" />
*All the twin 57&nbsp;mm [[:ru:АК-725|AK-725]] and twin 30&nbsp;mm [[AK-230]] gun were retained except for KRI ''Sultan Thaha Syaifuddin'' (376) & KRI ''Silas Papare'' (386) where their 30&nbsp;mm AK-230 was replaced by Chinese made [[Type 730 CIWS]].<ref name=":0">{{Cite web |last=Rahmat |first=Ridzwan |date=24 August 2016 |title=Indonesia acquires Chinese-developed CIWS for another Kapitan Pattimura-class corvette |url=https://www.janes.com/article/63184/indonesia-acquires-chinese-developed-ciws-for-another-kapitan-pattimura-class-corvette |url-status=dead |archive-url=https://web.archive.org/web/20160825170425/http://www.janes.com/article/63184/indonesia-acquires-chinese-developed-ciws-for-another-kapitan-pattimura-class-corvette |archive-date=25 August 2016 |website=janes.com}}</ref> Some of the fleets [[MANPADS]], [[SA-N-5]] were also removed and being replaced by either one or two 20&nbsp;mm autocannon. Similarly, the four 400&nbsp;mm Russian-made torpedo launcher on some ship were replaced by two Mk 32 triple torpedo launcher.
*Currently 14 out of 16 original Parchims were in service with Indonesian navy.<ref name="fs2009">Jane's 2009, p.356</ref>
{| class="sortable wikitable"
|-
! style="width:16%" |Name (IDN)
! Hull number (IDN)
! Name (GDR)
! Hull number (GDR)
! style="width:13%" |Commissioned (GDR)
! style="width:13%" |Commissioned (IDN)
! Status
! Notes
|-
|align=left  |{{ship|KRI|Kapitan Pattimura|371|6}}
|align=center|371
|align=left  |''Prenzlau''
|align=center|231
|align=center|11 May 1983
|align=center|23 September 1993
|align=center|Active
|align=left  |
|-
|align=left  |{{ship|KRI|Untung Surapati|372|6}}
|align=center|372
|align=left  |''Ribnitz''
|align=center|233
|align=center|29 October 1983
|align=center|23 September 1993
|align=center|Active
|align=left  |
|-
|align=left  |{{ship|KRI|Sultan Nuku|373|6}}
|align=center|373
|align=left  |''Waren''
|align=center|224
|align=center|23 November 1982
|align=center|15 December 1993
|align=center|Active
|align=left  |Initially commissioned as ''Nuku''
|-
|align=left  |{{ship|KRI|Lambung Mangkurat|374|6}}
|align=center|374
|align=left  |''Angermünde''
|align=center|214
|align=center|26 July 1985
|align=center|12 July 1994
|align=center|Active
|align=left  |
|-
|align=left  |{{ship|KRI|Cut Nyak Dhien|375|6}}
|align=center|375
|align=left  |''Lübz''
|align=center|221
|align=center|12 February 1982
|align=center|25 February 1994
|align=center|Active
|align=left  |Served briefly in unified German Navy with hull number P 6169''<ref name="conway95 p136"/>
|-
|align=left  |{{ship|KRI|Sultan Thaha Syaifuddin|376|6}}
|align=center|376
|align=left  |''Bad Doberan''
|align=center|222
|align=center|30 June 1982
|align=center|25 February 1995
|align=center|Active
|align=left  |
|-
|align=left  |{{ship|KRI|Sutanto|377|6}}
|align=center|377
|align=left  |''Wismar''
|align=center|241
|align=center|9 July 1981
|align=center|10 March 1995
|align=center|Active
|align=left  |Served briefly in unified German Navy with hull number P 6170<ref name="conway95 p136"/>
|-
|align=left  |{{ship|KRI|Sutedi Senoputra|378|6}}
|align=center|378
|align=left  |''Parchim''
|align=center|242
|align=center|9 April 1981
|align=center|19 September 1994
|align=center|Active
|align=left  |
|-
|align=left  |{{ship|KRI|Wiratno|379|6}}
|align=center|379
|align=left  |''Perleberg''
|align=center|243
|align=center|19 September 1981
|align=center|19 September 1994
|align=center|Active
|align=left  |
|-
|align=left  |{{ship|KRI|Memet Sastrawiria|380|6}}
|align=center|380
|align=left  |''Bützow''
|align=center|244
|align=center|30 December 1981
|align=center|2 June 1995
|align=center|Retired
|align=left  |Caught fire on 18 August 2008, later decommissioned<ref>{{cite web|url=http://news.detik.com/berita/990483/kri-memet-sastrawiria-terbakar-di-perairan-lampung|title=KRI Memet Sastrawiria Terbakar di Perairan Lampung|website=detik.com|date=18 August 2008|access-date=11 July 2021|archive-url=https://web.archive.org/web/20190421141149/https://news.detik.com/berita/990483/kri-memet-sastrawiria-terbakar-di-perairan-lampung|archive-date=21 April 2019|url-status=live|language=ID}}</ref>
|-
|align=left  |{{KRI|Tjiptadi|381|6}}
|align=center|381
|align=left  |''Bergen''
|align=center|213
|align=center|1 February 1985
|align=center|10 May 1996
|align=center|Active
|align=left  |
|-
|align=left  |{{KRI|Hasan Basri|382|6}}
|align=center|382
|align=left  |''Güstrow''
|align=center|223
|align=center|10 November 1982
|align=center|10 May 1996
|align=center|Active
|align=left  |
|-
|align=left  |{{KRI|Imam Bonjol|383|6}}
|align=center|383
|align=left  |''Teterow''
|align=center|234
|align=center|27 January 1984
|align=center|26 April 1994
|align=center|Active
|align=left  |Served briefly in unified German Navy with hull number P 6168<ref name="conway95 p136"/>
|-
|align=left  |{{ship|KRI|Pati Unus|384|6}}
|align=center|384
|align=left  |''Ludwiglust''
|align=center|232
|align=center|4 July 1983
|align=center|21 July 1995
|align=center|Retired
|align=left  |Partially sunk after hitting a shipwreck on 13 May 2016,<ref>{{Cite web|url=https://www.indomiliter.com/tinjauan-insiden-korvet-kri-pati-unus-384-dimana-peran-sonar-mg323-bullhorn/|title=Tinjauan Insiden Korvet KRI Pati Unus 384, Dimana Peran Sonar MG323 Bullhorn?|website=indomiliter.com|date=7 June 2016|access-date=11 July 2021|language=ID}}</ref> decommissioned on 19 April 2017<ref>{{Cite web|url=http://www.globalsumut.com/2017/04/upacara-penurunan-ular-ular-perang-kri.html|title=Upacara Penurunan Ular-Ular Perang KRI Pati Unus 384|website=globalsumut.com|date=19 April 2017|access-date=11 July 2021|language=ID}}</ref>
|-
|align=left  |{{ship|KRI|Teuku Umar|385|6}}
|align=center|385
|align=left  |''Grevesmühlen''
|align=center|212
|align=center|21 September 1984
|align=center|27 October 1996
|align=center|Active
|align=left  |Served briefly in unified German Navy with hull number P 6164<ref name="conway95 p136"/>
|-
|align=left  |{{ship|KRI|Silas Papare|386|6}}
|align=center|386
|align=left  |''Gadebusch''
|align=center|211
|align=center|31 August 1984
|align=center|27 October 1996
|align=center|Active
|align=left  |Served briefly in unified German Navy with hull number P 6167<ref name="conway95 p136"/>
|-
|}

{| class="wikitable" border="1"
|-
! Engine
! Power
! Ships
|-
| 2 x [[Deutz AG|Deutz]] TBD 620 V16 diesels
| 6,000&nbsp;hp (4.5 MW)
| 372, 373, 374, 377, 378, 381
|-
| 2 x [[MTU Friedrichshafen|MTU]] 16V 4000 M 90 diesels
| 7,300&nbsp;hp (5.4 MW)
| 371, 379, 380, 382, 383,386
|-
| 2 x [[Caterpillar Inc.|Caterpillar]] 3516B diesels
| 5,200&nbsp;hp (3.9 MW)
| 375, 376, 384, 385
|}

Armament:
* 1 x twin 57&nbsp;mm gun [[:ru:АК-725|AK-725]]
* 1 x twin 30&nbsp;mm gun [[AK-230]] or 1 x [[Type 730 CIWS]] (on two ship, 376 & 386)<ref name=":0" />
* 2 x [[SA-N-5]] MANPADS or 2 x 20&nbsp;mm gun Autocannon (on some ship)
* 2 x [[RBU-6000]] ASW rocket launcher
* 4 x 400&nbsp;mm lightweight torpedo tubes or 2 x 324&nbsp;mm triple [[Mark 32 Surface Vessel Torpedo Tubes|Mk 32 torpedo launchers]] (on some ships)

{{navy|Russia}}
* Six ships are in service with the [[Baltic Fleet]].

{| class="wikitable"
|-
! Name
! Laid down
! Launched
! Commissioned
! Status
! Notes
|-
| ''[[Russian corvette Urengoy|Urengoy]]''
| 25 February 1985
| 29 August 1985
| 19 December 1986
| Active
|
|-
| ''[[Russian corvette Kazanets|Kazanets]]''
| 4 January 1985
| 28 December 1985
| 28 April 1986
| Active<ref name=drunk-russian>{{Cite web |url=http://www.maritimebulletin.net/2020/09/23/russian-navy-frigate-collided-with-swiss-reefer-in-oresund-denmark/ |title=Russian Navy frigate collided with Swiss reefer |first=Erofey |last=Schkvarkin |date=September 25, 2020 |website=Maritime Bulletin}}</ref>
| Damaged in 2020; repaired and active as of 2021<ref name=drunk-russian /><ref>{{Cite web|url=https://tass.com/defense/1289323|title = Russian Baltic Fleet warships hold artillery firings in Gulf of Finland}}</ref>
|-
| ''[[Russian corvette MPK-67|MPK-67]]''
| 28 March 1985
| 19 April 1986
| 30 June 1987
| Decommissioned in 2005
|
|-
| ''[[Russian corvette Zelenodolsk|Zelenodolsk]]''
| 25 June 1985
| 12 August 1986
| 28 December 1987
| Active
|
|-
| ''[[Russian corvette MPK-105|MPK-105]]''
| 30 December 1985
| 20 November 1986
| 16 March 1988
| Decommissioned in 2014
|
|-
| ''[[Russian corvette MPK-213|MPK-213]]''
| 8 April 1986
| 28 February 1987
| 29 July 1988
| Decommissioned in 2004
|
|-
| ''[[Russian corvette MPK-216|MPK-216]]''
| 22 June 1986
| 25 June 1987
| 30 September 1988
| Decommissioned in 2005 
|
|-
| ''[[Russian corvette MPK-219|MPK-219]]''
| 7 November 1986
| 30 September 1987
| 23 December 1988
| Decommissioned in 2002
|
|- 
| ''[[Russian corvette Aleksin|Aleksin]]''
| 28 February 1987
| 30 March 1988
| 31 March 1989
| Active
|
|-
| ''[[Russian corvette Kabardino-Balkariya|Kabardino-Balkariya]]''
| 9 February 1987
| 16 August 1988
| 29 June 1989
| Active
|
|-
| ''[[Russian corvette Bashkortostan|Bashkortostan]]''
| 20 November 1987
| 31 October 1988
| 26 September 1989
| Decommissioned in 2010
|
|-
| ''[[Russian corvette Kalmykia|Kalmykia]]''
| 23 February 1988
| 31 January 1989
| 6 April 1990
| Active
|
|}

==See also==
*[[List of ships of the Soviet Navy]]
*[[List of ships of Russia by project number]]

==References==
{{reflist}}

===Sources===
*''Conway's All the World's Fighting Ships 1947–1995''
* {{cite book|last=Saunders|first=Stephen|title=[[Jane's Fighting Ships]] 2009-2010|publisher=Jane's Information Group|year=2009|isbn=978-0710628886}}

==External links==
{{Commons category|Parchim class corvette}}
*[https://web.archive.org/web/20160428202651/http://www.fas.org/man/dod-101/sys/ship/row/rus/133_1.htm Project 133.1 Parchim class] @ FAS.org
*[https://web.archive.org/web/20071001050247/http://home.arcor.de/rainer.kutzsch/index.htm/parchim_sp.htm Die PARCHIM-Klasse (Projekt 133.1)] @ Arcor.de {{in lang|de}}
*[http://www.navweaps.com/Weapons/WNRussian_3-60_ak176.php Russia / USSR 76 mm/60 (3") AK-176] @ Navweaps
*[http://russianships.info/eng/warships/project_1331m.htm All ''Parchim'' Class Corvettes - Complete Ship List] @ Russianships.info

{{Parchim class corvettes}}
{{Soviet and Russian ships after 1945}}
{{Indonesian Navy active ship classes}}

[[Category:Corvette classes]]
[[Category:Corvettes of the Volksmarine]]
[[Category:Corvettes of the German Navy]]
[[Category:Corvettes of the Soviet Navy]]
[[Category:Corvettes of the Russian Navy]]
[[Category:Corvettes of the Indonesian Navy]]
[[Category:Ships built in Wolgast]]
[[Category:Parchim-class corvettes| ]]
[[Category:Ships built in East Germany]]
[[Category:Ship classes of the Volksmarine]]