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| Planes participating in the search for the ARA San Juan submarine are seen at the Almirante Zar Navy air base in Trelew |
The search continued on Tuesday for an Argentine submarine with 44 crew aboard, missing in the South Atlantic for nearly a week, with improved weather expected to quicken the hunt for the vessel.
Meteorologists expected waves of about 2 meters in the search area for the ARA San Juan, down from 8 meters over the weekend. Rescue boats have scoured about 80 per cent of the search area, but storms and high winds have limited the effort in the past several days.
โToday is a critical day,โ said Maria Victoria Morales, the mother of Luis Garcia, an electrical technician aboard the vessel. โWe are holding up as well as we can.โ
Morales and other relatives of crew members have been gathered at a naval base in Mar del Plata, where authorities are coordinating the search and rescue operation.
The submarine was en route from Ushuaia in Argentinaโs extreme south to the coastal city of Mar del Plata when it sent its last location on Nov 15.
More than a dozen boats and planes from Argentina, the United States, Britain, Chile and Brazil have joined the search. Authorities have mainly been scanning from the sky as storms have halted the maritime hunt.
โWe trust that the boats assigned to each zone can do an effective maritime patrol, and will not be struggling against the storm as they were in recent days,โ Navy spokesman Enrique Balbi said on Sunday night.
Searchers have suffered disappointments in recent days as analyses have shown that satellite signals and sounds detected by underwater probes initially thought to be messages from the crew did not come from the vessel.
The submarine had reported an electrical problem and was heading back to its base in Mar del Plata when it disappeared on Wednesday nearly 300 miles off the coast.
The US Navy was preparing on Tuesday to deploy rescue equipment, including a remote-operated vehicle.
The ARA San Juan was inaugurated in 1983, the newest of three submarines in the Navyโs fleet. Built in Germany, it underwent maintenance in 2008 in Argentina.
The maintenance included the replacement of its four diesel engines and its electric propeller engines, according to specialist publication Janeโs Sentinel.
