MAR DEL PLATA, Argentina (Reuters) - An Argentine military submarine reported a malfunction and was headed back to base when it went missing last week in the South Atlantic, a naval spokesman said on Monday, while storms complicated efforts to find the vessel and its 44-member crew. Federico James places a windsurfing board on a fence at the entrance of the Argentine Naval Base in support of the 44 crew members of the ARA San Juan submarine missing at sea, in Mar del Plata, Argentina November 20, 2017. REUTERS/Marcos BrindicciHopes for a successful search for the ARA San Juan submarine, which went missing last Wednesday off the Argentine coast, waned on Monday when the navy said satellite calls detected over the weekend did not in fact come from the vessel. More than a dozen boats and aircraft from Argentina, the United States, Britain, Chile and Brazil joined the search effort. Authorities have mainly been scanning the sea from above, as storms have made it difficult for boats. Gabriel Galeazzi, a naval commander, told reporters that the submarine had surfaced and reported an electrical problem before it disappeared 268 miles (432 km) off the coast. “The submarine surfaced and reported a malfunction, which is why its ground command ordered it to return to its naval base at Mar del Plata,” he said. Federico James places a windsurfing board on a fence at the entrance of the Argentine Naval Base in support of the 44 crew members of the ARA San Juan submarine missing at sea, in Mar del Plata, Argentina November 20, 2017. REUTERS/Marcos BrindicciGaleazzi said it is normal for submarines to suffer system malfunctions. “A warship has a lot of backup systems, to allow it to move from one to another when there is a breakdown,” he said. Crew members’ relatives gathered at the Mar del Plata naval base, waiting for news. Federico James drags a windsurfing board with a message to place it on a fence of an Argentine Naval Base in support of the 44 crew members of the ARA San Juan submarine missing at sea, in Mar del Plata, Argentina November 20, 2017. REUTERS/Marcos BrindicciIntermittent satellite communications had been detected on Saturday and the navy had said they were likely to have come from the submarine. But the ARA San Juan in fact sent its last signal on Wednesday, navy spokesman Enrique Balbi said. The calls that were detected “did not correspond to the satellite phone of the submarine San Juan,” he said on Monday. The ARA San Juan was inaugurated in 1983, making it the newest of the three submarines in the navy’s fleet. Built in Germany, it underwent maintenance in 2008 in Argentina. That maintenance included the replacement of its four diesel engines and its electric propeller engines, according to specialist publication Jane’s Sentinel.
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Updated Date: Nov 20, 2017 22:02:36 IST