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Displaying items by tag: Acoustic Survey

Bangor University will be surveying with hull-mounted and towed acoustic equipment in the Celtic Sea, off the southern coastline of Ireland south of Kilmore Quay, outside the 12 nautical mile limit.

The survey is due to commence on Tuesday 23 August and finish nearly two weeks later on Monday 5 September, weather allowing.

Operations will be conducted by the RV Prince Madog (callsign ZNLJ5). This research vessel will be surveying with hull-mounted and towed acoustic equipment. As a safety precaution, there will be two marine mammal observers on board. No buoys will be used.

Coordinates and a map of the survey area as well as contact details are included in Marine Notice No 56 of 2022, attached below.

Published in Coastal Notes

#MarineScience - Marine scientists on board the RV Celtic Explorer have posted their first blog entry from this year's blue whiting acoustic survey voyage.

Setting sail from Cork on St Patrick's Day last week, the team – comprising acousticians, biologists and marine wildlife observers – are preparing to cover a massive area between the West of Ireland and the west coast of Scotland, including Rockall, as part of a flotilla of international research vessels from the Netherlands, Norway and the Faroe Islands.

The Scientists@Sea blog has more on the mission HERE.

Published in Marine Science

Beneteau 31.7 sailing in Ireland

In Ireland, the Beneteau First 31.7 Ireland One Design Class Association encourages and develop the use of the Beneteau First 31.7 yacht as a one-design keelboat, mainly for racing. 

Each year the association stages national championships with boats coming from different sailing across Ireland. The main centre is Dun Laoghaire Harbour where the bulk of the fleet (15 boats) are based at the National Yacht club but are moored at Dun Laoghaire Marina.

The Beneteau 31.7 boat is not new to Dublin Bay, as boats of this size and type have competed in DBSC in the Cruiser 2 class for some years.

However during the 2006 season, due to their increased numbers, DBSC granted the class its own racing start, thereby facilitating one-design racing for this cruiser/racer. 

Since then it has become one of the biggest one-design keelboat classes on the Bay.

One-design rules were drawn up to discourage modifications, maintain a level playing field and set a generally ‘Corinthian’ ethos.

To preserve the cruising dimension, the boat races with cushions aboard.

Numbers entered in DBSC have settled down to approx 15-18 boats, and regular Thursday and Saturday attendances over the season are usually of the order of 14 to 16 boats, reflecting good participation by members. Racing is close and competitive. 

In addition to scratch results, ECHO results are also posted. This combines the best of both worlds, providing one-design racing which the members like, while also providing an incentive and interest in turning out for those boats who may not always approach podium position on scratch.

At A Glance – Beneteau First 31.7 Specifications

L.O.A 9.61 m
Hull length 9.50 m
L.W.L. 8.80 m
Beam 3.23 m
Draught min (Deep draught keel) Cast iron 1.90 m
Ballast weight (Deep draught keel) 1 025 kg
Air draught (max) 13.90 m
Light displacement (EC) 3 750 kg
Fuel capacity 30 l
Freshwater capacity 160 l
Engine power 21 HP

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