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Argentina submarine: Seven signals 'not from missing boat' Argentina navy: Missing sub 'had called to report breakdown'
(35 minutes later)
Seven signals picked up at the weekend were not from a missing submarine's satellite phone, Argentina's navy says. Argentina's navy says its ARA San Juan submarine, which has been missing since Wednesday, reported a mechanical breakdown in its last communication.
The failed calls, lasting between four and 36 seconds, had been received on Saturday. The submarine, with 44 crew on board, disappeared 430km (267 miles) off the Argentine coast and no trace of it has been found.
They had raised hopes that the 44 crew members of the boat, the ARA San Juan, were alive. "The vessel surfaced and it reported a breakdown," naval commander Gabriel Galeazzi said.
The submarine disappeared 430km (267 miles) off the Argentine coast on Wednesday and no traces of it have been located. He did not give further details of the nature of the breakdown.
Capt Galeazzi, who heads the naval base in Mar del Plata, south of Buenos Aires, said that the vessel had been asked to go directly to Mar del Plata.
Capt Galeazzi said that mechanical problems were not uncommon and rarely posed a risk.
However, it is unclear why these details were not released before.
Signals not from sub
The navy also announced on Monday that seven signals picked up at the weekend were not from the missing submarine's satellite phone.
The failed calls, lasting between four and 36 seconds, had been received on Saturday. They had raised hopes that the San Juan's crew members were alive.
US satellite company Iridium had earlier said that the submarine carried one of its satellite phones on board.US satellite company Iridium had earlier said that the submarine carried one of its satellite phones on board.
But the company said that the seven signals detected on Saturday did not come through its network. But the company said that the seven signals did not come through its network and, on Monday, navy spokesman Enrique Balbi confirmed the attempted calls "did not come from the submarine's satellite phone".
On Monday, navy spokesman Enrique Balbi confirmed that "the seven attempted calls did not come from the submarine's satellite phone". A huge search and rescue operation is continuing in the South Atlantic.
A huge search and rescue operation is continuing in the South Atlantic, where the vessel disappeared five days ago.
Specialist underwater rescue equipment has arrived in Argentina from the United States and more boats and planes have also joined the search, which has been hampered by heavy winds and high waves.Specialist underwater rescue equipment has arrived in Argentina from the United States and more boats and planes have also joined the search, which has been hampered by heavy winds and high waves.
Vanished on the way home The ARA San Juan was returning from a routine mission to Ushuaia, near the southern-most tip of South America, towards Mar del Plata.
The ARA San Juan was returning from a routine mission to Ushuaia, near the southern-most tip of South America, to its base at Mar del Plata, south of Buenos Aires.
Its last contact with navy command was on Wednesday morning.Its last contact with navy command was on Wednesday morning.
It is thought that the submarine may have had communication difficulties caused by a power cut. It was earlier thought that the submarine could have had communication difficulties caused by a power cut.
Navy protocol dictates that a vessel should come to the surface if communication has been lost.Navy protocol dictates that a vessel should come to the surface if communication has been lost.