Quote:
A deep water robot sub has reached the Atlantic floor - and another is descending the 12,500ft of ocean fast. 'The Canadian vessel Horizon Arctic has deployed an ROV that has reached the sea floor and began its search for the missing sub', a spokesman said.
And a French ship viewed as the best and final hope of finding the missing Titanic submersible has also dropped its remote-controlled sub to find five missing adventurers. L'Atalante arrived on the scene at 11.48am GMT (7.48ET) and has deployed Victor 6000, which can reach depths of 20,000ft and will arrive at the Titanic's wreck in the next two hours.
Victor 6000 has arms that can cut cables - or dislodge a trapped or stranded vessel - and may be able to fix a cable onto the sub before it is hauled several miles to the surface by a giant winch with more than three miles of cable called a Flyaway Deep Ocean Salvage System on Horizon Arctic.
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https://www.dailymail.co.uk/news/art...ne-passes.html
This seems like a needle in a haystack hunt, I wonder if they ever even find it. Such a small vessel that if in tact could be in a fairly large area, and if not intact would there be much to even find? I can't imagine many pieces large enough to spot would remain.