German torpedo sank British ship Mantola, and 20 tons of silver, off Ireland in 1917
Sea explorers announced Monday the discovery of a new sunken treasure that they plan to retrieve from the bottom of the North Atlantic.
Off Ireland in 1917, a German torpedo sank the British steam ship Mantola, sending the vessel and its cargo of an estimated 20 tons of silver to the seabed more than a mile down. At today’s prices, the metal would be worth about $18 million.
Odyssey Marine Exploration, based in Tampa, Fla., said it had visually confirmed the identity of the Mantola with a tethered robot last month during an expedition and had been contracted by the British Department for Transport (a successor to the Ministry of War Transport) to retrieve the lost riches.
In recent years, cash-strapped governments have started looking to lost cargoes as a way to raise money. They do so because the latest generation of robots, lights, cameras and claws can withstand the deep’s crushing pressures and have opened up a new world of shipwreck recovery.
“A lot of new and interesting opportunities are presenting themselves,” said Greg Stemm, the chief executive of Odyssey. The new finding, he added, is the company’s second discovery of a deep-ocean wreck for the British government this year.
In such arrangements, private companies put their own money at risk in costly expeditions and split any profits. In this case, Odyssey is to get 80 percent of the silver’s value and the British government 20 percent. It plans to attempt the recovery this spring, along with that of its previous find.
Last month, Odyssey announced its discovery of the British steam ship Gairsoppa off Ireland and estimated its cargo at up to 240 tons of silver — a trove worth more than $200 million. The Gairsoppa was torpedoed in 1941.
Both ships had been owned by the British Indian Steam Navigation Company and both were found by Odyssey during expeditions in the past few months. Odyssey said that the Mantola’s sinking in 1917 had prompted the British government to pay out an insurance claim on about 600,000 troy ounces of silver, or more than 20 tons.
Mr. Stemm said the Mantola’s silver should make “a great target for testing some new technology” of deep-sea retrieval.
The Mantola was less than a year old when, on Feb. 4, 1917, she steamed out of London on her last voyage, bound for Calcutta.
According to Odyssey, the ship carried 18 passengers, 165 crew members and diverse cargo. The captain was David James Chivas, the great-nephew of the Chivas Brothers, known for their Chivas Regal brand of Scotch whiskey.
Four days out of port, a German submarine fired a torpedo and the ship sank with minimal loss of life.
In an expedition last month, Odyssey lowered a tethered robot that positively identified the wreck. The evidence included the ship’s dimensions, its layout and a display of painted letters on the stern that fit the words “Mantola” and “Glasgow,” the ship’s home port.
Photographs show the hulk covered in rivulets of rust known as rusticles, which look like brownish icicles. One picture shows a large sea creature poised near the ship’s railing.
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Originally Posted by longnecker
