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词条 LÉ Róisín (P51)
释义

  1. Design

  2. Weapon systems

  3. Command and control

  4. Propulsion

  5. Construction and career

  6. See also

  7. References

  8. External links

{{Use Irish English|date=January 2016}}{{Infobox ship image
Ship image =Ship caption =
}}{{Infobox ship career		Hide header =Ship country = IrelandIreland|naval}}Ship name = LÉ RóisínShip namesake = Róisín Dúbh, daughter of Red Hugh O’NeillShip ordered =Ship awarded =Ship builder =Appledore Shipbuilders, North DevonShip original cost =Ship yard number =Ship way number =Ship laid down =Ship launched =Ship sponsor =Ship christened =Ship completed =Ship acquired =Ship commissioned = 15 December 1999Ship recommissioned =Ship decommissioned =Ship maiden voyage =Ship in service =Ship out of service =Ship renamed =Ship reclassified =Ship refit =Ship struck =Ship reinstated =Ship homeport = Haulbowline Naval Base9192923}}
  • {{MMSI Number|250180000}}
  • Callsign: EIWN
  • Pennant number: P51
Ship motto =Ship nickname =Ship honours =Ship captured =Ship fate =Ship status = {{ship in active service}}Ship notes =Ship badge =
}}{{Infobox ship characteristics		Hide header =Header caption =Róisín|offshore patrol vessel|1}}Ship type =Ship displacement = 1,500 tonnes Standard78.84|m|abbr=on}} overall14.00|m|abbr=on}}3.8|m|abbr=on}}Ship depth =10,000|kW|abbr=on}}Ship propulsion = Wartsilla medium speed diesels42.6|km/h|kn|lk=out|abbr=on}} maximum6000|nmi|km|order=flip|abbr=on}}Ship endurance =6.5|m|abbr=on}} RHIBs
  • 1 Avon {{convert|5.4|m|abbr=on}} RHIB
Ship capacity =Ship troops =Ship complement = 44 (6 officers and 38 ratings)Ship time to activate =Ship EW =Ship armament =*1 × 76 mm OTO Melara Cannon
  • 2 × 20 mm Rheinmetall Rh202 cannon
  • 2 × 12.7 mm HMG
  • 4 × 7.62 mm GPMG
Ship armour =Ship armor =Ship aircraft =Ship aircraft facilities = NoneShip notes =
}}
LÉ Róisín (P51) is the lead ship of her class of offshore patrol vessel in the Irish Naval Service. The ship's primary mission is fisheries protection, search and rescue, and maritime protection operations, including vessel boardings. Róisín or Róisín Dubh, is often used as an allegory for Ireland. However the original Róisín Dubh was a daughter of Red Hugh O’Neill, Earl of Tyrone in the late 16th Century.[1]

Design

The ship was designed by Vard Marine (formerly STX Canada Marine) and has an all-steel hull based on the Mauritian Vigilant patrol vessel launched in 1995, but without the helicopter deck and hangar facilities. The level of automation incorporated into the ship's systems allows the ship to be operated with just 47 crew including eight officers. The vessel is designed for winter North Atlantic operations.

Weapon systems

The ship is armed with an OTO Melara 76 mm gun dual purpose gun installed on the bow gun deck. The gun fires {{convert|6|kg|abbr=on}} shells and is capable of firing up to 85 rounds per minute to a range of over {{convert|15|km}}. There are also two 12.7 mm machine guns and two 20 mm Rheinmetall Rh202 cannon for anti-aircraft defence.

The main gun is controlled by an Ultra Electronics Command and Control Systems, Radamec 1500 optronic director with a daylight TV camera, thermal imaging camera and eyesafe laser rangefinder. System 1500 functions in automatic or manual mode. The system provides fire control for surface engagement with spotting corrections in both line and range and has an effective secondary self-defence anti-air capability. System 1500 can detect a small patrol boat at ranges in excess of {{convert|12|km}}, night or day. The ship's Kelvin Hughes surface search radar, operating at E, F and I bands, is installed high on the main mast over the bridge. The Kelvin Hughes navigation radar operates at I-band.

Command and control

The communications package includes VHF, HF, Inmarsat Global Maritime Distress Safety System (GMDSS) and Differential Global Positioning System (DFPS) and secure communications. Three inflatable boats are deployed from each ship; two {{convert|6.5|m|adj=on}} Delta rigid inflatable boats (RIB) launched with Caley davits, and a single Avon {{convert|5.4|m|adj=on}} RIB.

Propulsion

The ship is powered by two Wärtsilä 16V26 diesel engines each developing {{convert|5,000|kW|abbr=on}} continuous power. The engines drive two shafts with Lips inboard turning controllable pitch propellers via single reduction gearboxes. Each propeller is 2,500 mm in diameter and functions at 300 rpm.

The engines provide a maximum speed of {{convert|22|kn|lk=in}} with a range of {{convert|6,000|nmi|lk=in}} at a cruising speed of {{convert|15|kn}}.

A Brunvoll FU45 CPP bow thrusters, rated at 340 kW with 5.6 tonnes-force (55 kN) thrust, is fitted for precision manoeuvring and station keeping. A pair of non-retractable anti-roll fin stabilisers is also fitted.

Three Caterpillar 3412D1-T generators each deliver 405 kWe at 1,500 rpm. One Caterpillar 3406D1-T emergency generator delivers 205 kWe at 1,500 rpm.

Construction and career

Róisín was built by Appledore Shipbuilders in Devon,[2] entered service with the Irish Naval Service in September 1999 and is based at the Haulbowline Island, Cork Harbour Headquarters and Dockyard.

On 5 October 2004, Róisín was the first vessel on scene after the fire on board the Canadian Forces submarine {{HMCS|Chicoutimi|SSK 879|2}} off the northwestern coast of Ireland. As Róisín attempted to assist the submarine, she suffered serious damage from the rough seas and was forced to return to harbour.[3]

Róisín enforced a {{convert|200|m|abbr=on}} exclusion zone around the vessel {{ship||Astrid|brig|2}} which ran aground on 24 July 2013 near Quay Rock at Ballymacus Point, near the Sovereign Islands in southern Ireland, while attempting to enter the harbour near Kinsale, County Cork.[4][5] Róisín stood by the merchant vessel Abuk Lion in the Irish Sea {{convert|30|nmi}} off Kinsale, County Cork on 30 December 2013 when that vessel was in difficulties. Abuk Lion was later taken in tow by Celtic Isle.[6]Róisín took part in a surveillance operation of the yacht Makayabella in September 2014 before it was boarded {{convert|200|mi}} off Mizen Head and subsequently had €80m worth of cocaine seized.[7]

From May to July 2016 Róisin was deployed to the Mediterranean as part of a humanitarian mission during the European migrant crisis,[8] and was involved in the rescue of several hundred people from unseaworthy vessels.[9][10][11]

See also

  • {{ship|LÉ|Niamh|P52}}
  • {{sclass2-|Protector|offshore patrol vessel}}

References

1. ^{{cite web|title=Naval Service|url=http://www.military.ie/naval-service/fleet/large-patrol-vessel/le-roisin|work=L.E. Roisin P 51|publisher=The Defence Forces Information Office|accessdate=12 November 2011}}
2. ^{{cite web| url=http://www.naval-technology.com/projects/roisin/| title=Roisin Class Offshore Patrol Vessels| publisher=Naval-technology.com| accessdate=19 February 2010}}
3. ^{{cite news| url=http://news.bbc.co.uk/1/hi/scotland/3717906.stm | work=BBC News | title=Nine hurt on stricken submarine | date=6 October 2004 | accessdate=4 May 2010}}
4. ^{{cite news |url=https://www.bbc.co.uk/news/world-europe-23430217 |title=Tall ship Astrid crew rescued off Cork |work=BBC News |date=24 July 2013}}
5. ^{{cite news | url=http://www.irishtimes.com/news/ireland/irish-news/astrid-owner-speaks-of-his-sadness-at-decision-to-scrap-the-95-year-old-historic-brig-1.1532289 | title='Astrid' owner speaks of his sadness at decision to scrap the 95-year-old historic brig | newspaper=The Irish Times | date=19 September 2013}}
6. ^{{cite web |url=http://worldmaritimenews.com/archives/101006/le-roisin-to-help-merchant-vessel-off-ireland/ |title=LÉ Roisin Helps Merchant Vessel in Difficulty Off Ireland |publisher=World Maritime News |accessdate=30 December 2013}}
7. ^{{cite news|url=https://www.theguardian.com/world/2014/sep/24/irish-navy-cocaine-drug-smuggled-ireland|title=Irish navy intercepts massive cocaine shipment off coast of Cork|work=theguardian.com|accessdate=27 September 2014}}
8. ^{{cite web|url=http://www.rte.ie/news/2016/0501/785462-irish-navy-roisin/ |title=LÉ Róisín leaves for Mediterranean mission |publisher=RTÉ News |date=1 May 2016 |accessdate=26 July 2016}}
9. ^{{cite news|url= http://www.irishtimes.com/news/ireland/irish-news/l%C3%A9-r%C3%B3is%C3%ADn-rescues-395-migrants-in-the-mediterranean-1.2657644 | title= LÉ Róisín rescues 395 migrants in the Mediterranean | publisher= Irish Times | date= 23 May 2016 }}
10. ^{{cite web|url=http://navaltoday.com/2016/05/17/first-rescue-operation-in-the-mediterranean-for-le-roisin/ |title=First rescue operation in the Mediterranean for LE Roisin |publisher=Naval Today |date= |accessdate=26 July 2016}}
11. ^{{cite web|url=http://www.irishexaminer.com/ireland/le-roisin-crew-returns-after-rescuing-1263-refugees-410685.html |title=LÉ Róisín crew returns after rescuing 1,263 refugees |publisher=Irish Examiner |date=17 July 2016 |accessdate=26 July 2016}}

External links

{{Commons category|P51 L.É. Róisín (ship, 1999)|LÉ Róisín (P51)}}
  • IDF LÉ Róisín webpage
  • [https://web.archive.org/web/20070312175131/http://www.akeryardsmarine.com/ship_patrol.html Web page from the naval architecture firm that designed IDF LÉ Róisín]
{{Róisín offshore patrol vessels}}{{IrishNavyFleet}}{{Irish Naval Service}}{{Use dmy dates|date=February 2011}}{{DEFAULTSORT:Roisin (P51)}}

3 : 1999 ships|Active naval ships of the Republic of Ireland|Róisín-class offshore patrol vessels
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