Offshore Patrol Vessel

The Naval Service operates three offshore patrol vessels. All these vessels were built in Verlome Dockyard in Cork and were commissioned into service during the late 1970s and early 1980s.  These vessels patrol the Irish EEZ. During their service these vessels have completed numerous re-supply missions to Irish troops serving overseas with the United Nations.

Naval Service Offshore Patrol Vessels

LÉ Aoife

The ship is named after Aoife, stepmother to the children of Lir, whom she turned into swans. It is the sister ship of the late L.É. Deirdre, the L.É. Emer and the L.É. Aisling.

Read more about L.É. AOIFE

LÉ Aisling

The ship was named after the poem, Aisling to commemorate the centenary of the birth of the poet and nationalist Patrick Pearse.

Read more about L.É. AISLING

LÉ Emer

The ship is named after Emer the principal wife of Cúchulainn and the daughter of a chieftain. The vessel has been modernised throughout her service life in order to take advantage of new technologies and to make life for the crew more comfortable.

Read more about L.É. EMER

Ships Characteristics


Offshore patrol Vessel







Main Engines

2 X SEMT- Pielstick Diesel
4,800 HP
1 Shaft


17 knots


6750 Nautical Miles @ 12 knots


46 (5 Officers)


L.É. EMER 16 January 1978
L.É. AOIFE 29 November 1979
L.É. AISLING 21 May 1980

Weaponary Aboard

Main Armament

Bofors 40mm L70 Canon

Secondary Armament

2 X 20mm Rheinmetall RH202 Canon

Small Arms

Various small arms ranging from:
9mm Pistol to 7.62mm General Purpose Machine Gun

Find out more about Naval Service Weapons