Argentina missing submarine: Specialist equipment deployed


Argentina missing submarine: Specialist equipment deployed

Image copyright EPA
Image caption The vessel is the newest of the three submarines in the Argentine navy's fleet

Specialist underwater rescue equipment has arrived in Argentina from the United States to help hunt for an Argentine submarine which vanished last Wednesday with 44 crew on board.

More boats and planes have also joined the search, which has been hampered by heavy winds and high waves.

The Argentina navy says ARA San Juan has enough supplies for at least two weeks.

The vessel disappeared 430km (267 miles) off the Argentine coast.

Signal from the sub?

On Saturday, satellite signals believed to have come from the sub were detected near the Valdez peninsula.

Image copyright Reuters
Image caption The submarine had 44 crew on board when it disappeared
Image copyright Reuters
Image caption Maria Krawczyk is one of the officers on board the sub

But the secretary general of the Argentine navy, Rear Admiral Jorge Lorenzo Cisneros, warned that the signals had been "very weak and of short intensity".

The seven satellite messages lasted from 4 to 36 seconds but failed to connect.

He said the navy had not yet been able to confirm that the failed calls had come from the missing vessel.

US satellite company Iridium said in a statement that while one of its satellite phones was on board the submarine, the seven signals detected on Saturday did not come through its network

Iridium said the last call made from its satellite phone on board the submarine was on 15 November, the day the vessel vanished.

International efforts

Teams from several countries have intensified their efforts in the South Atlantic to find ARA San Juan.

Image copyright AFP
Image caption People have been hanging flags and messages in support of the missing crew on the fence at the Mar del Plata naval base

The US Navy has sent a second ship with special tracking equipment and deep-sea rescue modules to join the search.

Chile and the UK have sent extra aircraft to scour the area.

Argentine navy spokesman Capt Enrique Balbi said 11 boats and 10 planes from Argentina, Brazil, Chile, Peru, South Africa, Uruguay, the UK and the US were currently taking part in the search.

On Saturday, a Nasa research plane equipped with magnetometers, infrared cameras and other sensors that can detect a submerged submarines flew over the search area but did not detect the missing vessel.

Power cut?

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.

It is thought that the submarine may 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.

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