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{|{{Infobox ship begin}}
{|{{Infobox ship begin}}

{{Infobox ship image
{{Infobox ship image
| Ship image=LE ROISIN P51.jpg
| Ship image=LE ROISIN P51.jpg
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|Builders=[[Appledore Shipbuilders]], [[North Devon]]
|Builders=[[Appledore Shipbuilders]], [[North Devon]]
|Operators={{flagicon|Ireland}} [[Irish Naval Service]]
|Operators={{flagicon|Ireland}} [[Irish Naval Service]]
|Class before=[[Peacock-class corvette|''Peacock''-class coastal patrol vessel]]
|Class before={{sclass|Peacock|corvette|4}}
|Class after={{sclass|Samuel Beckett|offshore patrol vessel|1}}
|Class after={{sclass|Samuel Beckett|offshore patrol vessel|4}}
|Subclasses=
|Subclasses=
|Cost=
|Cost=
|Built range=
|Built range=
|In service range=
|In service range=
|In commission range=15 Dec 1999–present
|In commission range=1999–present
|Total ships building=
|Total ships building=
|Total ships planned=2
|Total ships planned=2
|Total ships completed=2
|Total ships completed=2
|Total ships cancelled=
|Total ships cancelled=
|Total ships active=2
|Total ships active=0
|Total ships laid up=2 ({{as of|2023|02|lc=y}})<ref>{{cite web|url = https://www.janes.com/defence-news/news-detail/irish-naval-service-opts-to-mothball-roisin-class-opvs-due-to-manning-issues | website = janes.com | title = Irish Naval Service opts to mothball Roisin-class OPVs due to manning issues | date = 3 February 2023 | accessdate = 4 February 2023 }}</ref>
|Total ships laid up=
|Total ships lost=
|Total ships lost=
|Total ships retired=
|Total ships retired=
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|Header caption=
|Header caption=
|Ship type=[[Patrol boat|Offshore patrol vessel]]
|Ship type=[[Patrol boat|Offshore patrol vessel]]
|Ship displacement=1,500 tonnes
|Ship displacement={{cvt|1500|t|LT|lk=on}}
|Ship length={{convert|78.84|m|abbr=on}}
|Ship length={{convert|78.84|m|ftin|abbr=on}}
|Ship beam={{convert|14|m|abbr=on}}
|Ship beam={{convert|14|m|ftin|abbr=on}}
|Ship height=
|Ship height=
|Ship draught={{convert|3.8|m|abbr=on}}
|Ship draught={{convert|3.8|m|ftin|abbr=on}}
|Ship ice class=
|Ship power=2 × {{convert|5,000|kW|abbr=on}}
|Ship power=2 × {{convert|5,000|kW|abbr=on}}
|Ship propulsion=2 × Wartsilla medium speed diesels
|Ship propulsion=2 × Wärtsilä medium speed diesels
|Ship speed=*{{convert|15|kn}} (cruising)
|Ship speed={{convert|23|kn|lk=in}} (maximum)
*{{convert|23|kn}} (maximum)
|Ship range={{cvt|6,000|nmi}} at {{convert|15|kn}}
|Ship range={{convert|6,000|nmi}} at {{convert|15|kn}}
|Ship endurance=
|Ship endurance=
|Ship boats=*2 × Delta {{convert|6.5|m|abbr=on}} RHIB
|Ship boats=*2 × Delta {{convert|6.5|m|abbr=on}} RHIB
*1 × Avon {{convert|5.4|m|abbr=on}} RHIB
*1 × Avon {{convert|5.4|m|abbr=on}} RHIB
|Ship capacity=
|Ship capacity=
|Ship troops=
|Ship complement=44 (6 officers and 38 ratings)
|Ship complement=44 (6 officers and 38 ratings)
|Ship time to activate=
|Ship sensors=Kelvin Hughes radar
|Ship sensors=Kelvin Hughes radar
|Ship EW=
|Ship EW=
|Ship armament=*1 × 76 mm [[Otobreda 76 mm|Oto Melara]] Super Rapid
|Ship armament=*1 × [[OTO Melara 76 mm|76 mm OTO Melara gun]]
*2 × 20 mm [[Rheinmetall Rh 202|Rheinmetall]] cannon
*2 × [[Rheinmetall Rh 202|20 mm Rheinmetall cannon]]
*2 × 12.7 mm [[Heavy machine gun|HMG]]
*2 × 12.7 mm [[Heavy machine gun|HMG]]
*4 × 7.62 mm [[GPMG]]|Ship aircraft=
*4 × 7.62 mm [[GPMG]]
|Ship aircraft=
|Ship aircraft facilities=None
|Ship aircraft facilities=
|Ship notes=
|Ship notes=
}}
}}
|}
|}
The '''''Róisín''-class large patrol vessel''' is a class of [[patrol boat|offshore patrol vessels]] (OPV) <ref>{{cite web|url=http://www.naval-technology.com/projects/roisin/|title=Róisín class|publisher=naval-technology.com}}</ref> ordered by the [[Naval Service (Ireland)|Irish Naval Service]] from December 1997. The first vessel is named {{LÉ|Róisín|P51|2}},<ref>{{cite web|url=http://www.military.ie/naval-service/fleet/large-patrol-vessel/le-roisin-p-51/|title=L.É. Róisín P51|publisher=military.ie}}</ref> which is also the name given to the class. Construction on this first vessel commenced in December 1997, and it was commissioned in December 1999.The second vessel was named {{LÉ|Niamh|P52|2}} and delivered in 2001.<ref>{{cite web|url=http://www.military.ie/naval-service/fleet/large-patrol-vessel/le-niamh-p-52/|title=L.É. Niamh P52|publisher=military.ie}}</ref>
The '''''Róisín''-class large patrol vessel''' is a class of [[patrol boat|offshore patrol vessels]] (OPV) <ref>{{cite web|url=http://www.naval-technology.com/projects/roisin/|title=Róisín class|publisher=naval-technology.com}}</ref> ordered by the [[Naval Service (Ireland)|Irish Naval Service]] from December 1997. The first vessel is named {{LÉ|Róisín|P51|2}},<ref>{{cite web|url=http://www.military.ie/naval-service/fleet/large-patrol-vessel/le-roisin-p-51/|title=L.É. Róisín P51|publisher=military.ie}}</ref> which is also the name given to the class. Construction on this first vessel commenced in December 1997, and it was commissioned in December 1999. The second vessel was named {{LÉ|Niamh|P52|2}} and delivered in 2001.<ref>{{cite web|url=http://www.military.ie/naval-service/fleet/large-patrol-vessel/le-niamh-p-52/|title=L.É. Niamh P52|publisher=military.ie}}</ref>


The class's primary mission is [[fisheries protection]], [[search and rescue]], and maritime protection operations, including vessel [[boarding (attack)|boardings]].
The class's primary mission is [[fisheries protection]], [[search and rescue]], and maritime protection operations, including vessel [[boarding (attack)|boardings]].
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==Names==
==Names==
{|class="wikitable"
{|class="wikitable"
|- bgcolor="#efefef"
! Name
! Name
! Pennant number
! Pennant number
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! Commissioned
! Commissioned
! Status
! Status

|-
|-
| {{LÉ|Róisín|P51|2}}
| {{LÉ|Róisín|P51|2}}
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| December 1997
| December 1997
| 15 December 1999
| 15 December 1999
| rowspan=2 | "Operational reserve" (as of January 2023)<ref name="journal2023">{{cite web|url = https://www.thejournal.ie/navy-ships-tied-up-roisin-niamh-5978870-Jan2023/ | website = thejournal.ie | publisher = Journal Media Ltd | title = Two naval ships to be tied up as staffing crisis deepens in Irish Navy | date = 25 January 2023 | accessdate = 29 January 2023 |first = Niall |last = O'Connor }}</ref>
| Active in service
|-
|-
| {{LÉ|Niamh|P52|2}}
| {{LÉ|Niamh|P52|2}}
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| April 2000
| April 2000
| 18 September 2001
| 18 September 2001
| Active in service
|-
|-
|}
|}
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{{DEFAULTSORT:Roisin class OPV}}
{{DEFAULTSORT:Roisin class OPV}}
[[Category:1990s ships]]
[[Category:2000s ships]]
[[Category:Patrol vessels of the Irish Naval Service]]
[[Category:Patrol vessels of the Irish Naval Service]]
[[Category:Patrol ship classes]]
[[Category:Patrol ship classes]]

Latest revision as of 10:08, 3 August 2024

LÉ Róisín on patrol
Class overview
NameRóisín class
BuildersAppledore Shipbuilders, North Devon
OperatorsRepublic of Ireland Irish Naval Service
Preceded byPeacock class
Succeeded bySamuel Beckett class
In commission1999–present
Planned2
Completed2
Active0
Laid up2 (as of February 2023)[1]
General characteristics
TypeOffshore patrol vessel
Displacement1,500 t (1,500 long tons)
Length78.84 m (258 ft 8 in)
Beam14 m (45 ft 11 in)
Draught3.8 m (12 ft 6 in)
Installed power2 × 5,000 kW (6,700 hp)
Propulsion2 × Wärtsilä medium speed diesels
Speed23 knots (43 km/h; 26 mph) (maximum)
Range6,000 nmi (11,000 km; 6,900 mi) at 15 knots (28 km/h; 17 mph)
Boats & landing
craft carried
  • 2 × Delta 6.5 m (21 ft) RHIB
  • 1 × Avon 5.4 m (18 ft) RHIB
Complement44 (6 officers and 38 ratings)
Sensors and
processing systems		Kelvin Hughes radar
Armament

The Róisín-class large patrol vessel is a class of offshore patrol vessels (OPV) [2] ordered by the Irish Naval Service from December 1997. The first vessel is named Róisín,[3] which is also the name given to the class. Construction on this first vessel commenced in December 1997, and it was commissioned in December 1999. The second vessel was named Niamh and delivered in 2001.[4]

The class's primary mission is fisheries protection, search and rescue, and maritime protection operations, including vessel boardings.

Design

[edit]

The class was designed by Vard Marine (formerly STX Canada Marine) and has an all-steel hull based on the Mauritian patrol vessel Vigilant launched in 1995, but without the helicopter deck and hangar facilities. The level of automation incorporated into the ships' systems allows the ships in the class to be operated with just 44 crew including 6 officers. The class is designed for winter North Atlantic operations.

Names

[edit]
Name Pennant number Builder Laid down Commissioned Status
Róisín P51 Appledore Shipbuilders, North Devon December 1997 15 December 1999 "Operational reserve" (as of January 2023)[5]
Niamh P52 April 2000 18 September 2001

References

[edit]
  1. ^ "Irish Naval Service opts to mothball Roisin-class OPVs due to manning issues". janes.com. 3 February 2023. Retrieved 4 February 2023.
  2. ^ "Róisín class". naval-technology.com.
  3. ^ "L.É. Róisín P51". military.ie.
  4. ^ "L.É. Niamh P52". military.ie.
  5. ^ O'Connor, Niall (25 January 2023). "Two naval ships to be tied up as staffing crisis deepens in Irish Navy". thejournal.ie. Journal Media Ltd. Retrieved 29 January 2023.
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