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(2016) Shipwrecks Caught on Camera 1  | Ship Accidents / Collisions / Crashes
(2016) Shipwrecks Caught on Camera 1 | Ship Accidents / Collisions / Crashes
Published: 2016/09/18
Channel: The Omar
The Top Ten Most Famous Shipwrecks Of The World
The Top Ten Most Famous Shipwrecks Of The World
Published: 2015/08/10
Channel: The Top Ten
19 Most Famous Shipwrecks
19 Most Famous Shipwrecks
Published: 2017/06/16
Channel: Talltanic
Cursed Shipwreck Yields Treasure and Human Remains | National Geographic
Cursed Shipwreck Yields Treasure and Human Remains | National Geographic
Published: 2014/07/07
Channel: National Geographic
[ SHIP WORLD SERIES ] SINKING OF SHIPS - SHIPWRECK
[ SHIP WORLD SERIES ] SINKING OF SHIPS - SHIPWRECK
Published: 2017/09/03
Channel: Ship World Series
The Atocha Shipwreck Treasure[full documentary]HD
The Atocha Shipwreck Treasure[full documentary]HD
Published: 2015/07/12
Channel: Documentary Channel
SHIPWRECK: The Mystery of the Edmund Fitzgerald
SHIPWRECK: The Mystery of the Edmund Fitzgerald
Published: 2013/05/03
Channel: Mickey Hanson
Container Ship Rena sinking - Dramatic Footage
Container Ship Rena sinking - Dramatic Footage
Published: 2011/10/12
Channel: p0litics676
Shipwreck Detectives : Pacific Graveyard  (Documentary)
Shipwreck Detectives : Pacific Graveyard (Documentary)
Published: 2017/04/01
Channel: Detective TV
ALESTORM - Shipwrecked | Napalm Records
ALESTORM - Shipwrecked | Napalm Records
Published: 2011/05/20
Channel: Napalm Records
Shipwreck- USS (Official Music Video)
Shipwreck- USS (Official Music Video)
Published: 2014/09/24
Channel: USSofficial
5 Most Disastrous Shipwrecks in History
5 Most Disastrous Shipwrecks in History
Published: 2016/07/05
Channel: They will Kill You
Secrets of Undersea Shipwreck Treasure Hunters (Full Documentary
Secrets of Undersea Shipwreck Treasure Hunters (Full Documentary
Published: 2014/09/04
Channel: Allen Hyde
10 Mysterious Abandoned Ships That Can
10 Mysterious Abandoned Ships That Can't Be Explained
Published: 2016/05/13
Channel: TheRichest
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Forgotten shipwreck found after 132 years
Published: 2016/11/09
Channel: CNN
Ship Wrek & Zookeepers - Ark [NCS Release]
Ship Wrek & Zookeepers - Ark [NCS Release]
Published: 2016/02/04
Channel: NoCopyrightSounds
Gulf of Mexico 2012: Spectacular New Shipwreck Discovery
Gulf of Mexico 2012: Spectacular New Shipwreck Discovery
Published: 2012/07/17
Channel: oceanexplorergov
Exploring an Abandoned Shipwreck!
Exploring an Abandoned Shipwreck!
Published: 2017/07/13
Channel: WHAT'S INSIDE? FAMILY
Shipwreck Detectives :  Vanishing Ships of War  (Documentary)
Shipwreck Detectives : Vanishing Ships of War (Documentary)
Published: 2017/04/01
Channel: Detective TV
Shipwreck Alley
Shipwreck Alley
Published: 2014/03/31
Channel: Heritage Route 23
The Biggest ARCHAEOLOGICAL DISCOVERIES | Ancient Roman Shipwrecks | Documentary English Subtitles
The Biggest ARCHAEOLOGICAL DISCOVERIES | Ancient Roman Shipwrecks | Documentary English Subtitles
Published: 2016/07/01
Channel: Juliane Louetta
Shipwreck From 1800s Found Buried Under New Building Site In Seaport District
Shipwreck From 1800s Found Buried Under New Building Site In Seaport District
Published: 2016/05/26
Channel: CBS Boston
Treasure hunters find undiscovered shipwreck in Lake Michigan
Treasure hunters find undiscovered shipwreck in Lake Michigan
Published: 2015/05/28
Channel: USA TODAY
Top 10 Biggest Shipwrecks of All Time
Top 10 Biggest Shipwrecks of All Time
Published: 2013/01/14
Channel: WatchMojo.com
10 Strangest Shipwrecks
10 Strangest Shipwrecks
Published: 2016/12/25
Channel: Epic Wildlife
Costa Concordia: Salvaging a shipwreck
Costa Concordia: Salvaging a shipwreck
Published: 2012/12/17
Channel: CBS News
Inside a World FAMOUS SHIPWRECK!! Bimini Bahamas Fishing and Lobstering!
Inside a World FAMOUS SHIPWRECK!! Bimini Bahamas Fishing and Lobstering!
Published: 2017/09/23
Channel: Brook Crist
Skeleton uncovered at ancient Antikythera shipwreck
Skeleton uncovered at ancient Antikythera shipwreck
Published: 2016/09/19
Channel: nature video
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Explorers who found 116-year-old ghostly ship wreck are stunned by what's inside
Published: 2015/07/24
Channel: The Red Phoenix
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Building Time - Shipwreck - 4J Studios Special {38}
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Florence + The Machine - Ship To Wreck (The Odyssey – Chapter 4)
Published: 2015/04/13
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Published: 2015/07/28
Channel: CBS This Morning
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Published: 2016/08/18
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ROV video of the John V. Moran shipwreck
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Silverstein - A Shipwreck In The Sand [FULL ALBUM/COMPLETO]
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Roman Shipwreck Raised After 2,000 Years | National Geographic
Roman Shipwreck Raised After 2,000 Years | National Geographic
Published: 2014/03/17
Channel: National Geographic
La Salle Shipwreck Project Documentary
La Salle Shipwreck Project Documentary
Published: 2013/12/30
Channel: Liquidtravel TV
Scuba Divers Explore Shipwreck & Rush to Save Anchor - "A Shipwreck
Scuba Divers Explore Shipwreck & Rush to Save Anchor - "A Shipwreck's Secret" (Full Movie)
Published: 2014/02/12
Channel: SnagFilms
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Shipwreck of the SS American Star on the shore of Fuerteventura
A sonar image of the shipwreck of the Soviet Navy ship Virsaitis in Estonian waters
Johan Christian Dahl: Shipwreck on the Coast of Norway, 1832
Bow of the RMS Titanic, photographed in 1 September 1985

A shipwreck is the remains of a ship that has wrecked, which are found either beached on land or sunken to the bottom of a body of water. Shipwrecking may be deliberate or accidental. UNESCO estimates that worldwide over 3 million shipwrecks, some thousands of years old, lie on seabeds.[1][2]

Types[edit]

The 1626 Sparrow-Hawk wreck is displayed at the Pilgrim Hall Museum in Plymouth, Massachusetts

Historic wrecks are attractive to maritime archaeologists because they preserve historical information: for example, studying the wreck of Mary Rose revealed information about seafaring, warfare, and life in the 16th century. Military wrecks, caused by a skirmish at sea, are studied to find details about the historic event; they reveal much about the battle that occurred. Discoveries of treasure ships, often from the period of European colonisation, which sank in remote locations leaving few living witnesses, such as the Batavia, do occur as well. Some contemporary wrecks, such as the oil tankers Prestige or Erika, are of interest primarily because of their potential harm to the environment. Other contemporary wrecks are scuttled in order to spur reef growth, such as Adolphus Busch and the Ocean Freeze. Wrecks like Adolphus Busch and historic wrecks such as SS Thistlegorm are of interest to recreational divers that dive to shipwrecks because they are interesting to explore, provide large habitats for many types of marine life, and have an interesting history.[citation needed]

Well known shipwrecks include the catastrophic Titanic, Britannic, Lusitania, Estonia, Empress of Ireland, Andrea Doria, or Costa Concordia. There are also thousands of wrecks that were not lost at sea but have been abandoned or sunk. These abandoned, or derelict ships are typically smaller craft, such as fishing vessels. They may pose a hazard to navigation[3] and may be removed by port authorities.[4]

Causes[edit]

County of Peebles, used as breakwater in Punta Arenas at the Strait of Magellan

Poor design, improperly stowed cargo, navigation and other human errors leading to collisions (with another ship, the shoreline, an iceberg, etc.), bad weather, fire, and other causes can lead to accidental sinkings. Intentional reasons for sinking a ship include forming an artificial reef; due to warfare, piracy, mutiny or sabotage; as part of target practice; or to remove a menace to navigation. A ship can be also used as breakwater structure.

State of preservation[edit]

The Vasa is one of the oldest and best-preserved ships salvaged in the world, owing to the cool temperatures and low salinity of the Baltic Sea

Many factors determine the state of preservation of a wreck:

  • the ship's construction materials
  • the wreck becoming covered in sand or silt
  • the salinity of the water the wreck is in
  • the level of destruction involved in the ship's loss
  • whether the components or cargo of the wreck were salvaged
  • whether the wreck was demolished to clear a navigable channel
  • the depth of water at the wreck site
  • the strength of tidal currents or wave action at the wreck site
  • the exposure to surface weather conditions at the wreck site
  • the presence of marine animals that consume the ship's fabric
  • temperature
  • the acidity (or pH), and other chemical characteristics of the water at the site

The above-mentioned, especially the stratification (silt/sand sediments piled up on the shipwrecks) and the damages caused by marine creatures is better described as "stratification and contamination" of shipwrecks. The stratification not only creates another challenge for marine archaeology but also a challenge to its primary state, the state that it had when it sank.

Stratification includes several different types of sand and/or silt, as well as tumulus and encrustations. These "sediments" are tightly linked to the type of currents, depth, and the type of water (salinity, pH, etc.), which implies any chemical reactions that would lead to affecting the hypothetical/possible main cargo (such as wine, olive oil, spices, etc.).

Besides this geological phenomenon, wrecks also face the damage of marine creatures that create a home out of them; primarily being octopuses and crustaceans. These creatures affect the primary state because they move, or break, any parts of the shipwreck that are in their way, thereby affecting the original condition of amphorae, for example, or any other hollow places. Finally, in addition to the slight or severe destruction marine animals can create, there are also "external" contaminants, such as modern-day commodities, or contemporary pollution in bodies of water, that as well severely affect shipwrecks by changing the chemical structures, or even destroying or devastating even more of what is left of a specific ship.

All the above offers great challenges to the marine archaeologist when attempting to bind the pieces of a certain shipwreck together. Despite these challenges, if the information retrieved does not appear to be sufficient, or a poor preservation is achieved, authors like J.A. Parker claim that it is the historical value of the shipwreck that counts, as well as any slight piece of information and/or evidence that is acquired.[5]

Construction materials[edit]

The Wreck, by Knud-Andreassen Baade c.1835

Exposed wooden components decay quickly. Often the only wooden parts of ships that remain after a century are those that were buried in silt or sand soon after the sinking. An example of this is the Mary Rose.

Steel and iron, depending on their thickness, may retain the ship's structure for decades. As corrosion takes place, sometimes helped by tides and weather, the structure collapses. Thick ferrous objects such as cannons, steam boilers or the pressure vessel of a submarine often survive well underwater in spite of corrosion.

Propellers, condensers, hinges and port holes were often made from non-ferrous metals such as brass and phosphor bronze, which do not corrode easily.

Salinity of water[edit]

Freshwater and low saline

Shipwrecks in some freshwater lakes, such as the Great Lakes of North America, have remained intact with little degradation. In some sea areas, most notably in Gulf of Bothnia and Gulf of Finland, salinity is very low, and centuries-old wrecks have been preserved in reasonable condition. However, bacteria found in fresh water cause the wood on ships to rot more quickly than in seawater unless it's deprived of oxygen.[6] Two shipwrecks, the USS Hamilton and the USS Scourge, have been at the bottom of Lake Ontario since they sunk during a violent storm on August 8, 1813, during the War of 1812. They are in "remarkably good" condition.[7]

Seawater

Wrecks typically decay rapidly when in seawater. There are several reasons for this:

  • Iron-based metals corrode much more quickly in seawater because of the dissolved salt present; the sodium and chloride ions chemically accelerate the process of metal oxidation which, in the case of ferrous metals, leads to rust. Such cases are prominent on deep-water shipwrecks, such as the RMS Titanic (which sank in 1912), RMS Lusitania (which sank in 1915), and the Bismarck (which sank in 1941).[citation needed] However, there are some exceptions, the RMS Empress of Ireland lies in the saltwater portion of the St. Lawrence River, but is still in remarkably good conditions.[8]
  • Unprotected wood in seawater is rapidly consumed by shipworms and small wood-boring sea creatures. Shipworms found in higher salinity waters, such as the Caribbean, are notorious for boring into wooden structures that are immersed in sea water and can completely destroy the hull of a wooden shipwreck.[9]

Loss, salvage and demolition[edit]

The shipwreck of SS Austria on 13 September 1858

An important factor in the condition of the wreck is the level of destruction at the time of the loss or shortly afterwards due to the nature of the loss, salvage or later demolition.

Examples of severe destruction at the time of loss are:

  • Being blown onto a beach, reef, or rocks during a storm, termed "grounding" (e.g., Royal Adelaide)
  • Collision with another ship (e.g., SS Andrea Doria)
  • Catastrophic explosion (e.g., HMS Hood), steamship boilers often explode when water covers them during the process of sinking
  • Fire that burns for a long time before the ship sinks (e.g., MS Achille Lauro)
  • Foundering, i.e., taking in so much water that buoyancy is lost and the ship sinks (e.g., the RMS Titanic and the HMHS Britannic); some ships with a dense cargo (e.g., iron ore) may break up when sinking quickly and hitting a rocky seabed
  • Enemy action from aerial bombs or submarine torpedoes that may cause destruction before sinking (e.g., the RN Roma and the HMS Barham)

After the loss the vessel's owners may attempt to salvage valuable parts of the ship and/or its cargo; this operation can cause further damage.

Shipwrecks in shallow water near busy shipping lanes are often demolished or removed to reduce the danger to other vessels. On charts, some wreck symbols have a line under the symbol with a depth mark, which indicates the water depth above the wreck.

Depth, tide and weather[edit]

On the seabed, wrecks are slowly broken up by the forces of wave action caused by the weather and currents caused by tides. Also more highly oxygenated water, which promotes corrosion, reduces the strength of ferrous structural materials of the ship. Deeper wrecks are likely to be protected by less exposure to water movement and by lower levels of oxygen in water.

Temperature[edit]

Extreme cold (such as in a glacial-fed lake, Arctic waters, the Great Lakes, etc.) slow the degradation of organic ship materials. Decay, corrosion and marine encrustation are inhibited or largely absent in cold waters.[10]

Salvage[edit]

Often, attempts are made to salvage recently wrecked ships to recover the whole or part of the ship, its cargo, or its equipment. A good example of this was the scuttling and subsequent salvage of the German High Seas Fleet at Scapa Flow in the 1920s. The unauthorized salvage of wrecks is called wrecking.

Legal aspects[edit]

Shipwreck law determines important legal questions regarding wrecks, perhaps the most important question being the question of ownership. Legally wrecks are divided into wreccum maris (material washed ashore after a shipwreck) and adventurae maris (material still at sea);[11] although some legal systems treat the two categories differently, others treat them the same.

Viewing at Christie’s auction in Amsterdam for the cargo of the Dutch East India Company (VOC) ship ‘’Geldermalsen’’ (1747)

Wrecks are often considered separately from their cargo. For example, in the English case of the Lusitania [1986] QB 384 it was accepted that the remains of the vessel itself were owned by the insurance underwriters who had paid out on the vessel as a total loss by virtue of the law of subrogation (who subsequently sold their rights), but that the property aboard the wreck still belonged to its original owners (or their descendants).

Military wrecks, however, remain under the jurisdiction–and hence protection–of the government that lost the ship, or that government's successor. Hence, a German U-boat from World War II still technically belongs to the German government, even though the Third Reich is long-defunct. Many military wrecks are also protected by virtue of their being war graves.

However, many legal systems allow the rights of salvors to override the rights of the original owners of a wreck or its cargo. As a general rule, non-historic civilian shipwrecks are considered fair game for salvage. Under international maritime law, for shipwrecks of a certain age, the original owner may have lost all claim to the cargo. Anyone who finds the wreck can then file a salvage claim on it and place a lien on the vessel, and subsequently mount a salvage operation (see Finders, keepers).[12] The State of North Carolina questionably claims "all photographs, video recordings, or other documentary materials of a derelict vessel or shipwreck or its contents, relics, artifacts, or historic materials in the custody of any agency of North Carolina government or its subdivisions" to be its property.[13]

Some countries assert claims to all wrecks within their territorial waters, irrespective of the interest of the original owner or the salvor.[14] Wartime wrecks have different legal considerations, as they are often considered prizes of war, and therefore owned by the Navy that sank them.

MSC Napoli beached off Branscombe

Some legal systems regard a wreck (and/or its cargo) to be abandoned if no attempt is made to salvage them within a certain period of time. English law has usually resisted this notion (encouraged by an extremely large maritime insurance industry, which asserts claims in respect of shipwrecks which it has paid claims on), but it has been accepted to a greater or lesser degree in an Australian case[15] and in a Norwegian case.[16]

The American courts have been inconsistent between states and at Federal level.[17] Under Danish law, all shipwrecks over 150 years old belong to the state if no owner can be found. In Spain, wrecks vest in the state if not salvaged within 3 years. In Finland, all property on board shipwrecks over 100 years old vests in the state.

The British Protection of Wrecks Act, enacted to protect historic wrecks, controls access to wrecks such as Cattewater Wreck which can only be visited or investigated under licence. The British Protection of Military Remains Act 1986 also restricts access to wrecks which are sensitive as war graves. The Protection of Military Remains Act in some cases creates a blanket ban on all diving; for other wrecks divers may visit provided they do not touch, interfere with or penetrate the wreck. In the United States, shipwrecks in state waters are regulated by the Abandoned Shipwrecks Act of 1987. This act is much more lenient in allowing more open access to the shipwrecks.

Following the beaching of the MSC Napoli, as a result of severe damage incurred during European storm Kyrill, there was confusion in the press and by the authorities about whether people could be prevented from helping themselves to the flotsam which was washed up on the beaches at Branscombe. Many people took advantage of the confusion and helped themselves to the cargo. This included many BMW motorbikes and empty wine casks as well as bags of disposable nappies (diapers).[18] The legal position under the Merchant Shipping Act 1995 is that any such finds and recovery must be reported within 28 days to the Receiver of Wreck.[19] Failure to do so is an offence under the Merchant Shipping Act and can result in a criminal record for theft by finding.[20] After several days, the police and Receiver of Wreck, in conjunction with the landowner and the contracted salvors, established a cordon to prevent access to the beach.[21] A similar situation occurred after the wreck of the MV Cita in 1997.

Historic wrecks (often but not always defined as being more than 50 years of age) are often protected from pillaging and looting through national laws protecting cultural heritage.[22] Internationally they may be protected by a State ratifying the Unesco Convention on the Protection of the Underwater Cultural Heritage. In this case pillaging is not allowed. One such example is the Queen Anne's Revenge[23] which is undergoing archaeological recovery by the North Carolina Department of Cultural Resources near Beaufort Inlet, NC.

An important international convention aiming at the protection of underwater cultural heritage (including shipwrecks) is the Convention on the Protection of the Underwater Cultural Heritage.[24] The 2001 UNESCO Convention on the Protection of the Underwater Cultural Heritage represents the international community's response to the increasing looting and destruction of underwater cultural heritage. It forms part of a group of UNESCO standard setting instruments regarding the domain of cultural heritage, encompassing seven conventions adopted by UNESCO Member States, which constitute a coherent and complementary body guaranteeing a complete protection of all forms of cultural heritage.

The UNESCO 2001 Convention is an international treaty aimed exclusively at the protection of underwater cultural heritage and the facilitation of international cooperation in this regard. It does not change sovereignty rights of States or regulate the ownership of wrecks or submerged ruins.

Notable salvages[edit]

In 2011, the most valuable cargo of a sunken shipwreck was identified near the western edge of the Celtic Sea. This World War II era sinking of the SS Gairsoppa led to a treasure almost three miles deep.[25]

A U.S. federal court and a panel from the United States Court of Appeals for the Eleventh Circuit have upheld the Spanish claim to the contents of the ship Nuestra Señora de las Mercedes; Spain took control of the treasure in February 2012. A very small number of coins and effects recovered from the ship were deposited in Gibraltar, because they showed clear signs coherent with an internal explosion on the ship and thus confirmed Spanish claims to the wreck being that of the Nuestra Señora de las Mercedes. They were not returned to Spain until 2013, when a court finally ordered Odyssey Marine to return the missing pieces.

See also[edit]

Shipwreck on a shore near Gytheio, Greece.
Wrecked fishing boats in Finnmark, North Norway.
The ferry Assalama wrecked off of Tarfaya, Morocco.
Ship wreck of SS Maheno, Fraser Island, Australia
Ship Wreck of Frotamerica at the west cost of Namibia

References[edit]

  1. ^ UNESCO. "Wrecks". Underwater Cultural Heritage. Retrieved November 22, 2014. 
  2. ^ Arango, Tim (September 11, 2007). "Curse of the $500 Million Sunken Treasure". Fortune. Retrieved November 22, 2014. 
  3. ^ "Wrecks and Obstructions Database". NOAA. 
  4. ^ Scurvy, Death and Cannibalism (internet video). Shipwreck Central. 2007. 
  5. ^ Parker, A.J. (1981). "Stratification and contamination in ancient Mediterranean shipwrecks.". The International Journal of Nautical Archaeology and Underwater Exploration. 10: 309–335. 
  6. ^ "Final Management Plan" (PDF). Thunder Bay National Marine Sanctuary. NOAA. Retrieved 11 August 2015. 
  7. ^ "Hamilton's War of 1812 shipwrecks 'an archeologist's dream'". cbc.ca. CBC News. Retrieved 11 August 2015. 
  8. ^ Dominique. "Empress of Ireland". 
  9. ^ Gilman, Sarah (December 5, 2016). "How a Ship-Sinking Clam Conquered the Ocean". Smithsonian. 
  10. ^ Steere, Mike. "Superior keeps its shipwrecks fresh Preservation: In the cold, almost sterile water at the bottom of the Great Lake, divers find the remains of marine disasters.". baltimoresun.com. Baltimore Sun. Retrieved 29 August 2015. 
  11. ^ For example, under English law the former were dealt with under rules relating to things found on land, the latter were dealt with under Admiralty jurisdiction.
  12. ^ "Treasure Salvage: Finders Keepers?". wcslaw.com. 
  13. ^ "HB 184" (PDF). ncleg. 
  14. ^ For example, the US Abandoned Shipwrecks Act 1987 and the Spanish Estatuto No 60/62, 24 December 1962
  15. ^ Robinson v Western Australian Museum (1977) 51 ALJR 806 at 820-821, although significantly the court held that it had not been abandoned despite the fact the ship, the Gilt Dragon, was lost in 1656.
  16. ^ N. Rt. 346 (1970 N.D. 107), per Eckhoff J. (Supreme Court of Norway), "It is possible that an owner's inactivity over a long period of time, taking into account the circumstances, can be sufficient reason for considering that the proprietary right to the wrecked vessel has been relinquished. ... [But] inactivity over a certain number of years cannot in itself be conclusive."
  17. ^ In Treasure Salvors Inc. v Unidentified Wreck [1978] AMC 1404, [1981] AMC 1857 relating to the Atocha the courts treated the wreck and cargo as abandoned, arguing it would be an "absurd fiction" to regard a centuries-old shipwreck as still owned by the original owner. But in Columbus America Discovery Groupo v Unidentified Wreck [1990] AMC 2409, (1992) 337 LMNL 1 the courts were prepared to uphold the claims of the original insurers to the cargo subject to their providing the necessary proof, which they were unable to do.
  18. ^ "UK | England | Devon | Napoli 'scavenging' beach to open". BBC News. 2007-03-14. Retrieved 2009-09-19. 
  19. ^ "ROW- The reporting process". Mcga.gov.uk. Retrieved 2013-05-18. 
  20. ^ "Wreck and salvage law - Detailed guidance - GOV.UK". Mcga.gov.uk. 2012-09-14. Retrieved 2015-09-17. 
  21. ^ "Structural failure of container vessel MSC Napoli and subsequent beaching Marine Accident Investigation Branch report - GOV.UK". Mcga.gov.uk. 2007-01-18. Retrieved 2015-09-17. 
  22. ^ "BBC Radio World Service Broadcast, "What Lies Beneath" First broadcast Friday 22 August 2008". Bbc.co.uk. 2008-08-22. Retrieved 2009-09-19. 
  23. ^ "Blackbeard's Flagship - Archaeology Magazine Archive". Archive.archaeology.org. Retrieved 2015-09-17. 
  24. ^ "UNESCO 2001 Convention on the Protection of the Underwater Cultural Heritage". Portal.unesco.org. Retrieved 2009-09-19. 
  25. ^ C.Michael Hogan. 2011. SS Gairsoppa recovery. Topic ed.P.Saundry. Ed.-in-chief C.J.Cleveland. Encyclopedia of Earth. National Council for Science and the Environment, Washington DC

Further reading[edit]

External links[edit]

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