YMS-1-class minesweeper: Difference between revisions

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{{Short description|1942 class of American minesweepers}}

{{Use dmy dates|date=October 2021}}

{|{{Infobox ship begin}}

}}

{{Infobox ship image

| Ship image = [[File:Yms324.png|300px|USS YMS-324 in San Francisco Bay, c. 1945–46]]

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{{Infobox ship class overview

| Name = ''YMS-1''

| Builders = 35 yacht builders<ref name=navsrcYMSidx>{{cite web | first = Gary P. | last = Priolo | url = http://www.navsource.orgnet/archives/11/19idx.htm | title = Auxiliary Motor Minesweeper (YMS), British Motor Minesweeper (BYMS) Index | work website= NavSource Online | publisher = NavSource Naval History | year = 2006 | access-date = 2007-12-20 }}</ref>

| Operators = *{{navynaval|United States}}

*{{navy|United Kingdom}}

*{{navy|France}}

*{{navy|Canada|name=Maritime Command}}

*{{navy|Poland}}

*{{navy|Japan}}

*{{navy|South Vietnam}}

| Class before =

| Class after = [[{{sclass|Atada-class |minesweeper|''Atada'' class]]4}} (Japan)

| Subclasses = ''YMS-136'', ''YMS-446''

| Cost =

| Built range =

| In service range =

| In commission range = about March 1942<ref name=navsrcYMSidx/> – 13 December 1957<ref name=navsrcYMS327>{{cite web | first = Joseph M. | last = Radigan | url = http://www.navsource.orgnet/archives/11/19327.htm | title = Ruff (MSC<nowiki>[</nowiki>O<nowiki>]</nowiki> 54), ex-AMS-54, ex-YMS-327 | work website= NavSource Online | publisher = NavSource Naval History | year = 2006 | access-date = 2007-12-20 }}</ref>

| Total ships building =

| Total ships planned =

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| Ship draft = {{convert|8|ft|m|abbr=on}}

| Ship power =

| Ship propulsion = *2 × {{convert|880440|bhp|lk=in|abbr=on}} [[General Motors]] [[8-268A]] [[diesel engines]]

*2 shafts

| Ship speed = {{convert|15|kn|km/h}}

| Ship range =

| Ship complement = 32

| Ship crew =

| Ship time to activate =

| Ship sensors =

| Ship EW =

| Ship armament = *1 × [[3-inch/50-caliber gun|3-inch/50 caliber]] [[gun mount]]

*2 × [[Oerlikon 20 mm cannon|20&nbsp;mm guns]]

*2 × [[depth charge projector]]s

| Ship armor =

| Ship aircraft =

| Ship aircraft facilities =

| Ship notes =

}}

|}

The '''''YMS-1'' class''' of '''[[auxiliary motor minesweepers]]''' was established with the laying down of ''YMS-1'' on 4 March 1941. Some were later transferred to the United Kingdom as part of the [[World War II]] [[Lend-Lease]] pact between the two nations. One ship eventually made its way into the [[Royal Canadian Navy]] postwar.

==Design==

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===Other exports===

France received 31 YMS-class minesweepers during World War 2, with one (''D202'', formerly {{USS|YMS-77||2}}) being sunk by a mine in 1944. France kept its YMS-class ships in service after the end of the war,<ref name="massv2 p59,61-3">Masson 1969, pp. 59, 61–53.</ref> with seven remaining in service in 1962, used as training ships in the [[École Navale]] and as experimental vessels. Three ships of the class were transferred from France to [[South Vietnam]] in 1954, while another was transferred to [[Madagascar]] in 1961.<ref name="jfs62 p94">Blackman 1962, p. 94.</ref>

In 1947, Poland acquired former BYMS-2211 (renamed ORP Delfin), BYMS-2257 (renamed ORP Foka), and [[HMS BYMS-2282|BYMS-2282]] (renamed [[ORP Mors]]). <ref>{{cite magazine |last=Twardowski |first=Marek |date=June 2001 |title=Trałowce typu BYMS w polskiej służbie |trans-title=BYMS minesweepers in Polish service |url= |magazine=Morza, Statki i Okręty |language=Polish |___location= |publisher= |publication-date=June 2001 |volume=VI |issue=31 |issn=1426-529X |access-date=}}</ref> The vessels were re-armed with Soviet [[85 mm air defense gun M1939 (52-K)]] and four Soviet [[NSV machine gun|NSV machine guns]]. In the mid-1950s, they were removed from service. The ORP Delfin was scuttled in the Bay of Puck, where it remains a diving attraction.

The [[Japan Maritime Self-Defense Force]] received 8 vessels of this class in the 1950s. The class was named ''Ujishima''-class minesweeper. The ships were:

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== See also==

*[[Wooden boats of World War II]]

*[[List of mine warfare vessels of the United States Navy#Auxiliary Motor Mine Sweepers (YMS)|List of mine warfare vessels of the United States Navy § Auxiliary Motor Mine Sweepers (YMS)]]

== References ==

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*{{cite book|last=Blackman|first=Raymond V. B.|title=Jane's Fighting Ships 1962–63|year=1962|publisher=Sampson Low, Marston & Co. Ltd|___location=London}}

*{{cite book| last=Le Masson|first=Henri |title=Navies of the Second World War: The French Navy Volume Two|year=1969|publisher=Macdonald & Co. |___location=London}}

* {{cite web | first = Gary P. | last = Priolo | url = http://www.navsource.orgnet/archives/11/19idx.htm | title = Auxiliary Motor Minesweeper (YMS), British Motor Minesweeper (BYMS) Index | work website= NavSource Online | publisher = NavSource Naval History | year = 2006 | access-date = 2007-12-19 }}

==External links==

* [https://web.archive.org/web/20011005083318/http://www.history.navy.mil/danfs/#Anchor-Editoria-14954 Dictionary of American Naval Fighting Ships]

* [http://www.navsource.orgnet/archives/11/19001.htm NavSource Online: Mine Warfare Vessel Photo Archive – YMS-1]

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