Róisín-class patrol vessel

Class overview
Name: Róisín class
Builders: Appledore Shipbuilders, North Devon
Operators: Republic of Ireland Irish Naval Service
Preceded by: Peacock-class coastal patrol vessel
Succeeded by: Samuel Beckett-class offshore patrol vessel
In commission: As of July 2016
Planned: 2
Completed: 2
Active: 2
General characteristics
Type: Offshore patrol vessel
Displacement: 1,500 tonnes
Length: 78.84 m (258.7 ft)
Beam: 14 m (46 ft)
Draught: 3.8 m (12 ft)
Installed power: 2 × 5,000 kW (6,700 hp)
Propulsion: 2 × Wartsilla medium speed diesels
Speed:
  • 15 knots (28 km/h; 17 mph) (cruising)
  • 23 knots (43 km/h; 26 mph) (maximum)
Range: 6,000 nautical miles (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
Complement: 44 (6 officers and 38 ratings)
Sensors and
processing systems:		 Kelvin Hughes radar
Armament:
Aviation facilities: None

The Róisín-class large patrol vessel is a class of offshore patrol vessels (OPV) [1] ordered by the Irish Naval Service from December 1997. The first vessel is named Róisín,[2] 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.[3]

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

Design

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 high 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 crew is provided with comfortable accommodation. The class is designed for winter North Atlantic operations.

Names

Name Pennant number Builder Laid down Commissioned Status
Róisín P51 Appledore Shipbuilders, North Devon December 1997 15 December 1999 Active in service
Niamh P52 April 2000 18 September 2001 Active in service

References

  1. ↑ "Róisín class". naval-technology.com.
  2. ↑ "L.É. Róisín P51". military.ie.
  3. ↑ "L.É. Niamh P52". military.ie.
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