An RNAS Culdrose helicopter made several attempts to land a winchman on board a fishing vessel in 30ft (9m) high waves about 40 miles (64km) north west of the base, the Royal Navy said.
The 276 inhabitants of the volcanic island still face a long wait for letters and parcels - mail comes via Cape Town and must be put on board a fishing vessel for the 2, 800-kilometre journey to the island.
He suggested the sub may have been spying on a top secret consignment of military grade plutonium, shipped from the French port of Cherbourg to Japan on board a British nuclear transport vessel.
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Despite "atrocious sea conditions", the crew managed to connect a tow line, but when it broke, Crewman Simon Emms went on board the fishing vessel to connect a second line.
At present, no one can predict a tsunami, but on board the German research vessel Sonne, scientists are installing a system that will give people warning if disaster strikes.
The four people on board were rescued by the lifeboat on Sunday and a salvage operation on the vessel was underway on Monday.
Fisheries protection officers spotted Le Cobbe at sea and found about 1, 200kg of scallops on board, but the vessel did not have a current permit.
As much as 150, 000 gallons of ultra-low sulfur diesel and about 12, 000 gallons of other petroleum products are on board the Kulluk, a double-hulled steel vessel with a helicopter landing pad and tower in the middle designed for drilling in Arctic waters.
Brent Nutt told the Associated Press that while those on board were being fed, his wife, a passenger, told him the vessel was becoming increasingly dirty.
But "if the Coast Guard boarding officer were to conduct a vessel safety inspection under normal circumstances and see that many people on board a boat that size, they would definitely recommend that the operator probably return to port and offload some of them, " Mr. McKenzie said.
The feed from a camera on board a salvage ship was discontinued Saturday after the apparatus was raised from the sea floor and placed on the vessel Q4000.
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Staff Sgt LORENTO SPITERI, Armed Forces of Malta: Once we do make visual contact with the vessel we'll ID the number of personnel on board, and we'll usually immediately commence a search for about 25 to 40 square miles.
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