Róisín-class Large Patrol Vessel

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.

Unit Run

 * LÉ Róisín (P51)
 * LÉ Niamh (P52)