Irish Naval Service floats third OPV
16th March 2016 - 12:00 by Grant Turnbull in London
Irish Naval Service floats third OPV
The third and last offshore patrol vessel (OPV) built as part of the Irish Naval Service’s ship replacement programme has been floated for the first time.
LÉ William Butler Yeats, a Samuel Beckett-class OPV, was floated on 10 March at Babcock Marine & Technology’s shipyard in Appledore, England.
The 90m-long vessel has since been towed out of Appledore’s dry dock area and placed at a fitting-out quay where additional equipment will be installed, including the ship’s mast.
An Irish Department of Defence spokesperson told Shephard that fitting out of equipment and installation of the mast will continue while the vessel remains at Babcock Marine’s shipyard.
Sea trials are scheduled to take place in June or July 2016 and the vessel is expected to be formally named and commissioned into the Irish Naval Service in the summer, though no firm date has been set.
‘Irish Naval Service personnel will not commence training on the ship as the build is not complete,’ said the spokesperson. ‘Training has taken place on some sub-systems on the ship.’
When commissioned, the ship will be part of the Naval Service fleet which is based in Haulbowline, County Cork.
LÉ William Butler Yeats will join lead vessel LÉ Samuel Beckett, which was commissioned in 2014 and replaced LÉ Emer, and LÉ James Joyce, which was commissioned into the naval service last year and replaced LÉ Aoife.
A contract was placed in October 2010 with Babcock for the provision of two new OPVs, with the option for a third vessel subsequently being exercised in June 2014. The value of the Babcock contract, including the third ship, is €199 million with the cost of the main armaments for the three ships being €13.1 million.
The new OPVs are an updated and more advanced design of the Irish Naval Service’s existing 80m-long Róisín-class vessels, built in the late 90s. The class also shares design similarities with the New Zealand Navy’s Protector-class of OPVs.
Powered by two Wärtsilä 16V26 diesel engines, the vessel can reach a top speed of 23 knots and sail 6000nm at a cruise speed of 15 knots.
Its main armament is a 76mm gun from OTO Melara, which is supplemented with two 20mm Rheinmetall cannons, two 12.7mm heavy machine guns and four 7.62mm machine guns.
The OPVs are also fitted with SharpEye radars manufactured by Kelvin Hughes.
Once LÉ William Butler Yeats is delivered this year, the Irish Naval Service will have a total of five OPVs. In addition it has LÉ Eithne, which is the current flagship and a helicopter patrol vessel (HPV), and two coastal patrol vessels (CPV), LÉ Ciara and LÉ Orla.
In its defence white paper released last year, Ireland’s Department of Defence outlined its plans to replace the HPV with a multi-role vessel that, while not being able to embark a helicopter, will be capable of helicopter operations and freight carrying.
It also set out its ambitions to replace the two CPVs with ‘similar vessels with countermine and counter-IED capabilities’.
‘The replacement of the Helicopter Patrol Vessel and two Coastal Patrol Vessels is under review as part of the White Paper implementation process,’ said the spokesperson. ‘No decisions have been made yet in this regard.’
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