Róisín-class patrol vessel
LÉ Róisín on patrol | |
| Class overview | |
|---|---|
| Name | Róisín class |
| Builders | Appledore Shipbuilders, North Devon |
| Operators | Irish Naval Service |
| Preceded by | |
| Succeeded by | Samuel Beckett class |
| In commission | 1999–present |
| Planned | 2 |
| Completed | 2 |
| Active | 0 |
| Laid up | 2 (as of February 2023) |
| General characteristics | |
| Type | Offshore patrol vessel |
| Displacement | 1,500 t (1,500 long tons) |
| Length | 78.84 m (258 ft 8 in) |
| Beam | 14 m (45 ft 11 in) |
| Draught | 3.8 m (12 ft 6 in) |
| Installed power | 2 × 5,000 kW (6,700 hp) |
| Propulsion | 2 × Wärtsilä medium speed diesels |
| Speed | 23 knots (43 km/h; 26 mph) (maximum) |
| Range | 6,000 nmi (11,000 km; 6,900 mi) at 15 knots (28 km/h; 17 mph) |
| Boats & landing craft carried |
|
| Complement | 44 (6 officers and 38 ratings) |
| Sensors & processing systems | Kelvin Hughes radar |
| Armament |
|
The Róisín-class large patrol vessel is a class of offshore patrol vessels (OPV) ordered by the Irish Naval Service from December 1997. The first vessel is named Róisín, 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.
The class's primary mission is fisheries protection, search and rescue, and maritime protection operations, including vessel boardings.