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A month after the Titan submersible implosion, a memorial ceremony for Paul-Henri Nargeolet, one of five people who died, is due to be streamed live on Wednesday, July 19th.

The French deep-sea explorer and Titanic expert lost his life along with businessman Hamish Harding, OceanGate owner Stockton Rush, and father and son Suleman and Shahzada Dawood during an expedition to visit the Titanic off the coast of Newfoundland on June 18th.

The ceremony is being hosted by RMS Titanic Inc, which was awarded salvage-in-possession status for the wreck of the Titanic in 1994.

“We, with the rest of the world, watched the devastating news unfold that our friend and colleague Paul-Henri Nargeolet (whom we fondly refer to as “PH”) had perished along with four other passengers in the Titan accident,” RMS Titanic Inc said in a statement.

“ Five men, husbands, fathers, sons- one just 19 years old perished together, and we, again, extend our condolences to the families and friends of those lost. We are all deeply mourning,” it said.

“After careful thought and consideration, RMS Titanic, Inc. has decided to host a private memorial ceremony for our PH Nargeolet on July 19, 2023, 2:30 pm - 3:30 pm EDT (20h30 - 21h30 CEST), which will be streamed live to provide an outlet for the world-wide Titanic and oceanographic communities to remember our colleague and friend, and express our grief together,” it said.

“The in-person event will be closed to the public, but there is no registration necessary to watch and participate online,” it said.

The online link for participation is here

RMS Titanic Inc said it was also inviting people to share comments and memories of “PH” so they may be presented in a book to the family.

These can be recorded on this link 

Published in Titanic
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The “maverick design” of the Titan submersible made it more susceptible to implosion, the New York Times has said.

The material used for the submersible may also have been a factor, the newspaper says.

Five people – businessman Hamish Harding, OceanGate owner Stockton Rush, Suleman Dawood with his father, Shahzada Dawood, and Paul-Henri Nargeolet – died last month during a dive in the submersible to the wreck of the Titanic.

A New York Times report quotes Tim Foecke, a retired forensic metallurgist, as stating that the change in hull geometry from a tight sphere to a lengthy tube may have contributed to Titan’s catastrophic failure.

“A spherical hull distributes the stress evenly, making it the best shape for resisting the compressive forces of the abyss,” the newspaper says.

Any other shape will “tend to deform unevenly”.

A larger hull needs to be stronger and thicker to withstand the same pressure as a smaller one, Foecke explained.

Experts who spoke to the newspaper compared Titan to Alvin, a research submersible with an all-titanium hull which has completed more than 4,500 dives since 1973.

It notes that OceanGate created most of Titan’s hull out of carbon fibre, rather than the conventional titanium used for Alvin. Experts said the risky design saved money.

Titan’s hull was larger and held two more passengers than Alvin, which fits three. In three years of dives, OceanGate charged up to 250,000 US dollars per person to visit the Titanic.

Read more in the New York Times here (subscription required).

Published in Titanic
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A number of calls have been made for the Titanic shipwreck and grave site to be left alone following the recent loss of five lives in the Titan submersible implosion.

Pakistani businessman and son Shahzada and Suleman Dawood; British businessman Hamish Harding; French diver Paul-Henri Nargeolet; and Stockton Rush, the CEO of the vessel’s operator, OceanGate Expeditions, all died in the incident some 400 miles east of Newfoundland, Canada.

As reported by the Belfast Newsletter, a number of Titanic enthusiasts in both Northern Ireland and abroad have said the loss of life should lead to a review of how the wreck of the Titanic is treated.

Stephen Cameron, author of the book Titanic: Belfast’s Own, told the News Letter: “It's extremely sad, and my thoughts would be with the families of those who were lost”.

"But I've always said this from the word go, from when it was discovered: leave the thing alone. It's a grave site,” Cameron said.

"On what's left of the ship's bridge are plaques from everybody who has been down to it. It's disgraceful, to be perfectly honest with you,” he told the newspaper.

In a statement published online, Charles Haas, president of the Titanic International Society, said it was “time to consider seriously whether human trips to Titanic’s wreck should end in the name of safety, with relatively little remaining to be learned from or about the wreck”.

“Crewed submersibles’ roles in surveying the wreck now can be assigned to autonomous underwater vehicles,” he said.

“The world joins us in expressing our profound sadness and heartbreak about this tragic, avoidable event,” Haas said.

The late OceanGate CEO Stockton Rush had visited Belfast, and his company posted a photo online showing him in the old dry dock in the Titanic Quarter.

Former president of the Belfast Titanic Society Una Reilly, said she hopes that “sense will rear its head again” and that the grave site should be “left in peace”.

Read the Newsletter here

Published in Titanic
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Rescuers are racing against the clock to locate and retrieve a tourist submarine that’s gone missing while on a dive to view the Titanic wreck site.

According to The Irish Times, prominent maritime experts and explorers are among the five people on board the mini submarine which lost contact with the surface less than two hours after going below on Sunday afternoon (18 June).

The missing vessel is OceanGate’s Titan, which since 2021 has been running expeditions for paying guests to the wreck of the ill-fated, Belfast-built ocean liner some 4km below the North Atlantic, as previously reported on Afloat.ie.

Search teams from the US and Canada are combing the area some 600km off Newfoundland in a “complex” operation as it is unknown whether the mini sub has surfaced or remains on the ocean floor.

And time is of the essence as officials believe the sub’s crew may run out of air between Wednesday (21) and Thursday (22 June).

The Irish Times has more on the story HERE.

Published in Titanic

The first full-size digital scan of the Titanic shipwreck lying 3,800 metres down in the Atlantic has been created using deep sea mapping.

As BBC News reports, the scan was carried out in the summer of 2022 by Magellan Ltd, a deep-sea mapping company, and Atlantic Productions, which is making a documentary about the project.

The team used submersibles, remotely controlled by a team on board a specialist ship, which took more than 700,000 images from every possible angle.

Over 200 hours were recorded surveying the length and breadth of the wreck, with the aim of shedding new light on what caused the ship to sink with the loss of 1,500 lives in 1912.

The shipwreck was discovered by North American oceanographer and marine geologist Robert Ballard in 1985, around 650km off the Canadian coast.

Ballard had been working with France’s Institut Français de Recherche pour l’Exploitation de la Mer and was on board the US Navy research ship Knorr.

Magellan's Gerhard Seiffert told BBC News it was the largest underwater scanning project he had undertaken.

"The depth of it, almost 4,000m, represents a challenge, and you have currents at the site, too - and we're not allowed to touch anything so as not to damage the wreck," he explained.

Irish diver Rory Golden, who is preparing for his fifth expedition to the ship, described the level of detail in the 3D images as "extraordinary".

In an interview with RTÉ Radio’s News At One, Golden said that “the bow section is the most recognisable feature”.

“The stern section is a mess. It's a very dangerous area; the images show that it's just a tangled mess of metal and steel,” he said.

"The bow plunged into the seabed, and the bow is something that people recognise, and it's still quite intact," he said.

"The stern area is the area which more or less exploded when it hit the bottom, and all the debris and artefacts are scattered around that area,” Golden said.

"To see the whole imaging like that done in such a vast expanse on the seabed is a unique experience for anyone to see," he said.

The BBC News report is here

Listen to Rory Golden’s interview on RTÉ Radio News at One here

Published in Titanic
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A remarkable video including rare and previously unreleased footage reveals some of the first ever views of the wreck of the Titanic.

As the Belfast Telegraph reports, the feature-length posting on the Woods Hole Oceanographic Institution’s YouTube channel comprises uncut footage from a 1986 expedition to the site led by Robert Ballard, just months after the RMS Titanic’s final resting place was found.

The oceanographic team famously explored the site with a three-person submarine named Alvin, and captured images of its interior with and ROV called Jason Jr.

In a statement accompanying the film, Hollywood director and noted deep-sea exploration enthusiast James Cameron said: “By releasing this footage, WHOI is helping tell an important part of a story that spans generations and circles the globe.”

The Belfast Telegraph has more on the story HERE.

Published in Titanic
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Harold Cottam was a 21-year old radio operator who was on duty on the night of April 14th, 1912 on board passenger ship RMS Carpathia when he received a Morse code message he would never forget.

Nor would the world, for Cottam was the telegraphist who picked up the first distress call from the RMS Titanic.

The RMS Carpathia was about four hours away from the Titanic, and steaming in the opposite direction towards the Mediterranean.

Its captain Arthur Rostron, changed course – which meant heading for ice - and took a number of measures to increase speed while ordering the crew to prepare food, blankets and medical care for any survivors.

The lesser-known story of the Carpathia’s role in rescuing 705 Titanic survivors has been recalled by Belfast author and illustrator Flora Delargy, whose grandfather and great grandfather both worked in the Belfast Shipyards where the Titanic was built.

Rescuing Titantic book

Morse code, navigation tools, the different roles of the crew, how the ships found each other, and by-the-minute details of exactly what happened on this cold and fateful night are reflected in her illustrated text, which has received critical claim from British publication The Bookseller.

Incidentally, the Carpathia, a Cunard Line passenger steamship, was sunk six years later on July 17th 1918 off the south Irish coast after being torpedoed three times by German submarine U-55.

Flora Delargy spoke to Wavelengths about her debut publication, and you can listen below

Published in Wavelength Podcast
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A new illustrated story of quiet bravery tells in detail how the little ship Carpathia saved 705 passengers of the Titanic from the icy waters of the North Atlantic.

The intrepid little ship heroically changed course and headed straight into the frozen sea to help save as many people as it could.

Along the journey, you will learn all about Morse code, navigation tools, the different roles of the crew, how the ships found each other, and by-the-minute details of exactly what happened on this cold and fateful night.

Flora Delargy is an author and illustrator from Belfast who loves to bring to life true tales and events from the past. Her grandfather and great grandfather both worked in the Belfast Shipyards where the Titanic was built.

Published in Titanic
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Deep down, four miles beneath the surface of the North Atlantic, the wreck of Titanic is dying as Nature "takes it back to itself."

So says Irish diver Rory Golden who is taking part in the current expedition to the wreck site using the newest submersible in the world, Titan. But, he says, the part of the tragic liner most remembered by the public will survive – the bow.

Titan on the surface at the wreck siteSubmerisible Titan on the surface at the wreck site

That has evocative memories for me as I outline on this week's Podcast with Rory Golden.

The expedition has been eleven years in preparation by the privately-owned USA company, OceanGate, which was founded in 2009 with the aim of increasing access to the deep ocean. It required a lot of discussion with the Canadian authorities before the expedition was allowed proceed.

Seabed image from Titanic site  Photo: Rory GoldenSeabed image from Titanic site Photo: Rory Golden

Podcast here.

Published in Tom MacSweeney
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Dublin Bay diver Rory Golden will join the 2021 Titanic Survey Expedition starting in May going back to the wreck after a gap of 16 years, and taking part in a “sea bed” breaking scientific expedition.

Golden has over 44 years of dive experience and played key roles in Titanic expeditions and dives in 2000 and 2005.

Citizen explorers, known as Mission Specialists, will work hand-in-hand with Golden and other scientific, archaeological, and oceanographic experts throughout the expedition.

“I will never forget the first time I saw the Titanic. We were travelling along the flat ocean floor towards the ship and we came upon a wall of mud,” recalls Rory Golden. “We were at the forward section, near the bow, and we slowly rose up a steel wall that was covered in rivets and rusticles. Eventually we ascended over the top and there she was. It was a rush of emotion. She is massive and awe-inspiring. You are excited, amazed, and, at the same time, you feel a deep sadness for all those lost. It is unlike anything else I have experienced in over 40 years of diving. In the five short years between my dives to the Titanic the changes were dramatic. I’m anxious to bear witness to the deep ocean’s impact on this historic sight,” says Golden.

The bow of the Titantic Photo: Rory GoldenThe bow of the Titanic Photo: Rory Golden

Rory is highly regarded in the dive and Titanic communities. As a member of the Explorers Club and Vice Chair of the Great Britain and Ireland Chapter, he has been an active explorer, diver, and researcher dedicated to the preservation of Titanic history. We are proud and excited to welcome him to our expeditionary team for the 2021 Titanic Survey Expedition,” says Stockton Rush, President, OceanGate Expeditions. “His knowledge and previous documentation of this revered shipwreck will help us navigate the features of the wreck site and assess how quickly the wreck is decaying,” continues Rush.

Six missions scheduled for Summer 2021 will mark the inaugural expedition of a multi-year effort to preserve Titanic history for future generations and document the rate of decay of the important site. Using an array of high-resolution 4K cameras, a laser scanner, and sonar equipment, OceanGate Expeditions’ team will create a fully explorable photorealistic virtual 3-D model of the site.

Each participating citizen scientist will embark on 8-days at sea as a Mission Specialist crewmember and make one untethered 8 to 10-hour submersible dive as part of a 5-person team (sub pilot, subject matter expert, three mission specialists).

Each submersible dive team will spend several hours exploring the renowned Titanic wreck-site. The Summer 2021 Expedition schedule runs late-May through mid-July.

Published in Diving
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Aquaculture Information

Aquaculture is the farming of animals in the water and has been practised for centuries, with the monks farming fish in the middle ages. More recently the technology has progressed and the aquaculture sector is now producing in the region of 50 thousand tonnes annually and provides a valuable food product as well as much needed employment in many rural areas of Ireland.

A typical fish farm involves keeping fish in pens in the water column, caring for them and supplying them with food so they grow to market size. Or for shellfish, containing them in a specialised unit and allowing them to feed on natural plants and materials in the water column until they reach harvestable size. While farming fish has a lower carbon and water footprint to those of land animals, and a very efficient food fed to weight gain ratio compared to beef, pork or chicken, farming does require protein food sources and produces organic waste which is released into the surrounding waters. Finding sustainable food sources, and reducing the environmental impacts are key challenges facing the sector as it continues to grow.

Salmon is the most popular fish bought by Irish families. In Ireland, most of our salmon is farmed, and along with mussels and oysters, are the main farmed species in the country.

Aquaculture in Ireland

  • Fish and shellfish are farmed in 14 Irish coastal counties.
  • Irish SMEs and families grow salmon, oysters, mussels and other seafood
  • The sector is worth €150m at the farm gate – 80% in export earnings.
  • The industry sustains 1,833 direct jobs in remote rural areas – 80% in the west of Ireland
  • Every full-time job in aquaculture creates 2.27 other jobs locally (Teagasc 2015)
  • Ireland’s marine farms occupy 0.0004% of Ireland’s 17,500Km2 inshore area.
  • 83% of people in coastal areas support the development of fish farming
  • Aquaculture is a strong, sustainable and popular strategic asset for development and job creation (Foodwise 2025, National Strategic Plan, Seafood
  • Operational Programme 2020, FAO, European Commission, European Investment Bank, Harvesting Our Ocean Wealth, Silicon Republic, CEDRA)
    Ireland has led the world in organically certified farmed fish for over 30 years
  • Fish farm workers include people who have spent over two decades in the business to school-leavers intent on becoming third-generation farmers on their family sites.

Irish Aquaculture FAQs

Aquaculture, also known as aquafarming, is the farming of aquatic organisms such as fish, crustaceans, molluscs and aquatic plants, and involves cultivating freshwater and saltwater populations under controlled conditions- in contrast to commercial fishing, which is the harvesting of wild fish. Mariculture refers to aquaculture practiced in marine environments and in underwater habitats. Particular kinds of aquaculture include fish farming, shrimp farming, oyster farming, mariculture, algaculture (such as seaweed farming), and the cultivation of ornamental fish. Particular methods include aquaponics and integrated multi-trophic aquaculture, both of which integrate fish farming and plant farming.

About 580 aquatic species are currently farmed all over the world, according to the UN Food and Agriculture Organisation (FAO), which says it is "practised by both some of the poorest farmers in developing countries and by multinational companies".

Increasing global demand for protein through seafood is driving increasing demand for aquaculture, particularly given the pressures on certain commercially caught wild stocks of fish. The FAO says that "eating fish is part of the cultural tradition of many people and in terms of health benefits, it has an excellent nutritional profile, and "is a good source of protein, fatty acids, vitamins, minerals and essential micronutrients".

Aquaculture now accounts for 50 per cent of the world's fish consumed for food, and is the fastest-growing good sector.

China provides over 60 per cent of the world's farmed fish. In Europe, Norway and Scotland are leading producers of finfish, principally farmed salmon.

For farmed salmon, the feed conversion ratio, which is the measurement of how much feed it takes to produce the protein, is 1.1, as in one pound of feed producing one pound of protein, compared to rates of between 2.2 and 10 for beef, pork and chicken. However, scientists have also pointed out that certain farmed fish and shrimp requiring higher levels of protein and calories in feed compared to chickens, pigs, and cattle.

Tilapia farming which originated in the Middle East and Africa has now become the most profitable business in most countries. Tilapia has become the second most popular seafood after crab, due to which its farming is flourishing. It has entered the list of best selling species like shrimp and salmon.

There are 278 aquaculture production units in Ireland, according to Bord Iascaigh Mhara (BIM) *, producing 38,000 tonnes of finfish and shellfish in 2019 and with a total value of €172 million

There are currently almost 2,000 people directly employed in Irish aquaculture in the Republic, according to BIM.

BIM figures for 2019 recorded farmed salmon at almost 12,000 tonnes, valued at €110 million; rock oysters reached 10,300 tonnes at a value of €44 million; rope mussels at 10,600 tonnes were valued at €7 million; seabed cultured mussels at 4,600 tonnes were valued at €7 million; "other" finfish reached 600 tonnes, valued at €2 million and "other" shellfish reached 300 tonnes, valued at €2 million

Irish aquaculture products are exported to Europe, US and Asia, with salmon exported to France, Germany, Belgium and the US. Oysters are exported to France, with developing sales to markets in Hong Kong and China. France is Ireland's largest export for mussels, while there have been increased sales in the domestic and British markets.

The value of the Irish farmed finfish sector fell by five per cent in volume and seven per cent in value in 2019, mainly due to a fall on salmon production, but this was partially offset by a seven per cent increased in farmed shellfish to a value of 60 million euro. Delays in issuing State licenses have hampered further growth of the sector, according to industry representatives.

Fish and shellfish farmers must be licensed, and must comply with regulations and inspections conducted by the Sea Fisheries Protection Authority and the Marine Institute. Food labelling is a function of the Food Safety Authority of Ireland. There is a long backlog of license approvals in the finfish sector, while the Department of Agriculture, Food and Marine says it is working to reduce the backlog in the shellfish sector.

The department says it is working through the backlog, but notes that an application for a marine finfish aquaculture licence must be accompanied by either an Environmental Impact Statement (EIS) or an Environmental Impact Assessment Report (EIAR). As of October 2020, over two-thirds of applications on hand had an EIS outstanding, it said.

The EU requires member states to have marine spatial plans by 2021, and Ireland has assigned responsibility to the Department of Housing, Planning and Local Government for the National Marine Planning Framework (NMPF). Legislation has been drawn up to underpin this, and to provide a "one stop shop" for marine planning, ranging from fish farms to offshore energy – as in Marine Planning and Development Management Bill. However, the Department of Agriculture, Food and Marine confirmed last year that it intends to retain responsibility for aquaculture and sea-fisheries related development – meaning fish and shellfish farmers won't be able to avail of the "one stop shop" for marine planning.

Fish and shellfish health is a challenge, with naturally occurring blooms, jellyfish and the risk of disease. There are also issues with a perception that the sector causes environmental problems.

The industry has been on a steep learning curve, particularly in finfish farming, since it was hailed as a new future for Irish coastal communities from the 1970s – with the State's Electricity Supply Board being an early pioneer, and tobacco company Carrolls also becoming involved for a time. Nutrient build up, which occurs when there is a high density of fish in one area, waste production and its impact on depleting oxygen in water, creating algal blooms and "dead zones", and farmers' use of antibiotics to prevent disease have all been concerns, and anglers have also been worried about the impact of escaped farmed salmon on wild fish populations. Sea lice from salmon farmers were also blamed for declines in sea trout and wild salmon in Irish estuaries and rivers.

BIM says over 95% of all salmon farmed in Ireland are certified organic. Organically grown salmon are only fed a diet of sustainable organic feed. They are also raised in more spacious pens than traditional farmed salmon. The need to site locations for fish farms further out to sea, using more robust cages for weather, has been recognised by regulatory agencies. There is a move towards land-based aquaculture in Norway to reduce impact on local ecosystems. The industry says that antibiotic use is declining, and it says that "safe and effective vaccinations have since been developed for farmed fish and are now widely used". Many countries are now adopting a more sustainable approach to removing sea lice from salmon, using feeder fish such as wrasse and lumpsucker fish. Ireland's first lumpsucker hatchery was opened in 2015.

BIM says over 95% of all salmon farmed in Ireland are certified organic. Organically grown salmon are only fed a diet of sustainable organic feed. They are also raised in more spacious pens than traditional farmed salmon. The need to site locations for fish farms further out to sea, using more robust cages for weather, has been recognised by regulatory agencies. There is a move towards land-based aquaculture in Norway to reduce impact on local ecosystems. The industry says that antibiotic use is declining, and it says that "safe and effective vaccinations have since been developed for farmed fish and are now widely used". Many countries are now adopting a more sustainable approach to removing sea lice from salmon, using feeder fish such as wrasse and lumpsucker fish. Ireland's first lumpsucker hatchery was opened in 2015.

Yes, as it is considered to have better potential for controlling environmental impacts, but it is expensive. As of October 2020, the department was handling over 20 land-based aquaculture applications.

The Irish Farmers' Association has represented fish and shellfish farmers for many years, with its chief executive Richie Flynn, who died in 2018, tirelessly championing the sector. His successor, Teresa Morrissey, is an equally forceful advocate, having worked previously in the Marine Institute in providing regulatory advice on fish health matters, scientific research on emerging aquatic diseases and management of the National Reference Laboratory for crustacean diseases.

BIM provides training in the national vocational certificate in aquaculture at its National Fisheries College, Castletownbere, Co Cork. It also trains divers to work in the industry. The Institute of Technology Carlow has also developed a higher diploma in aqua business at its campus in Wexford, in collaboration with BIM and IFA Aquaculture, the representative association for fish and shellfish farming.

© Afloat 2020

At A Glance - Irish Aquaculture

  • Fish and shellfish are farmed in 14 Irish coastal counties
  • Salmon is the most popular fish bought by Irish families. 
  • In Ireland, most of our salmon is farmed, and along with mussels and oysters, are the main farmed species in the country.
  • The industry sustains 1,833 direct jobs in remote rural areas – 80% in the west of Ireland
  • Every full-time job in aquaculture creates 2.27 other jobs locally (Teagasc 2015)
  • Ireland’s marine farms occupy 0.0004% of Ireland’s 17,500Km2 inshore area.
  • 83% of people in coastal areas support the development of fish farming

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