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Displaying items by tag: RV Celtic Voyager
The latest Marine Notice from the DTTAS advises all seafarers near Dundalk Bay and Carlingford Lough to give a wide berth to the hydrographic and oceanographic survey operation in the area this month.
The RV Celtic Voyager (callsign EIQN) will be carrying out survey operations between Kildeel and Clogherhead till 15 September.
The vessel will display lights and markers and will be towing different sensors from time to time with a single cable of up to 100m long.
Deployment of water level recording equipment will be necessary on the seabed at certain locations. These will be marked with appropriate buoys and lights as well as Irish Coast Guard radio notices.
Details of the survey area are included in a PDF of Marine Notice No 44 of 2011, which is available to read or download HERE.

The latest Marine Notice from the DTTAS advises all seafarers near Dundalk Bay and Carlingford Lough to give a wide berth to the hydrographic and oceanographic survey operation in the area this month.

The RV Celtic Voyager (callsign EIQN) will be carrying out survey operations between Kildeel and Clogherhead till 15 September.

The vessel will display lights and markers and will be towing different sensors from time to time with a single cable of up to 100m long.   

Deployment of water level recording equipment will be necessary on the seabed at certain locations. These will be marked with appropriate buoys and lights as well as Irish Coast Guard radio notices.

Details of the survey area are included in a PDF of Marine Notice No 44 of 2011, which is available to read or download HERE.

Published in Marine Warning
Amongst the festival tallships lining Waterford quays, the RV Keary, a marine research survey vessel that mapped the estuary in advance of the tall ships arrival, will too be open to the public, writes Jehan Ashmore.
Work to map the navigational channel of Waterford Harbour's estuary was completed last month by the catamaran hulled craft that belongs to the Geological Survey of Ireland (GSI). Her smaller fleetmate the 7.5m RIB RV Geo carried-out work in the shallower areas along the river banks. For images of the seabed survey click HERE. The survey which had started in April was a joint research programme between (GSI) and the Marine Institute (MI).

This was the RV Keary's first INFOMAR survey leg of 2011 and it was also the first time that both vessels have worked in tandem. The mapping of the estuary was from an area just west of the city's Rice Bridge to the open sea at the mouth of Waterford Harbour.

The estuary was mapped before in 2007 using the Marine Institutes larger vessel the RV Celtic Voyager, which covered the harbour approaches from the 10m contour to greater depth offshore. Both RV Keary and RV Geo overlapped their coverage with this previous data, producing a comprehensive and seamless seabed map of the area.

RV Keary is constructed of marine grade aluminium and was custom built in 2008 for the (GSI) by Veecraft Marine of Capetown, South Africa.
The 15m craft with a draft of just 2m is equipped with an extensive range of highly sophisticated technology. She has an open working area at the aft-deck to conduct operations and is licensed to carry up to 12 personnel. For further vessel characteristics click HERE.

The 34-tonne craft made her 7,000 mile delivery voyage from the African continent to Europe. She was firstly transported on the deck of a cargoship to Rotterdam. After unloading at the Dutch port the 22-knot capable craft set off with several calls along the UK south coast to include loading bunkers before finally reaching Dun Laoghaire, from where she entered service in April 2009.

Published in Marine Science

Two mussel dredger-trawlers made a rare transit of Dalkey Sound, last Friday, writes Jehan Ashmore.

The sound which is located to the south of Dublin Bay is not used by commercial traffic but is frequented by pleasure-craft, local fishing boats from Dun Laoghaire. In addition to occasional traffic by the Irish Naval Service, Marine Institute research vessel RV Celtic Voyager, the GSI's RV Keary and foreign tall-ships.

Leading the pair of mussel dredgers was the Belfast registered Mytilus (B-449) named after the mussel species 'Mytilus edulis' and the Wexford registered Branding (WD-4A).
MUSSEL_DREDGERS
Mytilus in Dalkey Sound and in the backround Branding approaches from
Dublin Bay. Photo Jehan Ashmore/ShipSNAPS

The vessels were making a southerly direction as they headed across Dublin Bay towards Dalkey Island. Mytilus lowered a mussel cage bucket into the sound which was dragged on two separate occasions over a short distance running parallel between the island and the coast.

The operation was all too brief as the Mytilus then proceeded into Killiney Bay followed closely astern by Branding. Upon entering the neighbouring bay, both vessels conducted dredging activity before continuing south beyond Bray Head.

Mussel grounds are located throughout certain hotspots in the Irish Sea and earlier this month, it is reported that there was a notable increase in mussel dredgers in Bangor, Northern Ireland. The dredgers were the Mytilus and Branding which berthed at the Co. Down harbour after a lengthy period of relative inactivity.

Mytilus was built in The Netherlands by Scheepwerf Van Os Yerseke B.V. and appeared in an episode of the successful BBC TV series 'Coast'. At the time of the broadcast she was registered at Beaumaris, Anglesey and was seen working in the northern approaches of the Menai Straits. The fishery grounds are ideally suited for the growing processes required in farmed mussel production.

Branding was also built by a Dutch shipyard, Kooieman in 1988 and her design is typical of the mussel dredgers based in Wexford. The market for mussels is mainly from the northern European countries of Belgium, France and the Netherlands.

Published in Fishing
The Marine Institute's two research vessels, RV Celtic Explorer and RV Celtic Voyager are to lead Europe with an all-time record of 627 days spent at sea of between both ships, well above the average for equivalent European research vessels.
In 2011, the RV Celtic Explorer is scheduled for 17 surveys in Irish waters resulting in 344 days at sea and the RV Celtic Voyager with 29 surveys resulting in 283 days at sea. In comparison, in 2010 the RV Celtic Explorer spent 308 days at sea with 18 surveys and as well as undergoing a refit. The Celtic Voyager took 280 sea-going days resulting in 32 surveys.

These figures compare favourably with our European counterparts, reflecting a high level of activity on national and international research and monitoring programmes.

Work duties in 2011 for the Galway based vessels will range from fisheries surveys to underwater mapping and from climate studies to deepwater surveys with the remotely operated submersible ROV Holland 1. The work schedule will facilitate training missions and to carry out essential maintenance work on Ireland's network of data buoys that, in parallel to their research function, supply the vital information on which weather and shipping forecasts are based.

The increased activity of the research vessels reflects the growing imperative to understand and sustainably manage the economic potential of our offshore marine territories, an area over ten times that of Ireland itself.

A major role of the ships' workload will be commercial fish stock assessments. Together they are to devote 141 days on stock surveys in support of the sustainable management of Ireland's fisheries.

The RV Celtic Voyager will conduct underwater television surveys of valuable prawn stocks off the Aran Islands, the Irish and Celtic Seas, working on blue whiting, a survey of herring stocks in the north-west. In addition a comprehensive 54-day annual Irish Groundfish Survey which will take place in stages all around the Irish coast from September to December.

The survey will be the largest undertaken by an Irish research vessel and is essential to providing the scientific data used to inform the annual quota negotiations required in Brussels each year.

For the 2011 schedule for both vessels is available to view by clicking HERE and the Maritime Institute website click this link.

At 65.5m RV Celtic Explorer (2,425grt) accommodates 35 personnel and up to 21 scientists and 31.4m RV Celtic Voyager (340grt) with up to 8 scientists and a maximum endurance of 14-day days. For detailed technical specifications of the Dutch built vessels, RV Celtic Explorer, click here to download a PDF file and for the RV Celtic Voyager click here

For further information contact: Dr John Joyce, Communications Manager of Marine Institute on 087 2250871

Published in Marine Science
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