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Mysterious Signals Did Not Come from Missing Submarine; MF/HF Frequencies Listed

21 November 2017

The search for an Argentine naval submarine that went missing with 44 crew on board is being hampered by bad weather conditions, officials say.

"Regrettably, we have not yet had any contact with the submarine", the Argentinian navy spokesman Enrique Balbi said on Sunday morning.

The noise was heard in the South Atlantic about 220 miles from the Argentine coast and at a depth of about 650 feet.

The ARA San Juan submarine shown here has been missing for two days after giving its last location in southern Argentine waters.

Authorities say the position is in line with the path the sub would have taken to reach the base in Mar del Plata as planned and a United States military aircraft has been sent to check the area.

The satellite call attempts were registered between 9am and 3pm on Saturday, lasting between four and 36 seconds, but there was no voice contact.

Claudio Rodriguez, whose brother Hernan is aboard the submarine, was hopeful, saying the satellite signals suggested the vessel was still afloat and would be found.

The BBC reports that "It is thought that the submarine may have had communication difficulties caused by a power cut".


Argentina's defence ministry said it was working on tracing the location of the calls with an unnamed U.S. company that specialised in satellite communications.

Numerous aircraft and ships were deployed from the United States, Britain, Argentina, Chile and Brazil to search for the submarine in previous days.

Helping to search for the ARA San Juan are Chile, Brazil, the USA, the United Kingdom, Colombia, Uruguay and Peru, although other countries have offered their cooperation in the search and rescue operation, Argentine Defence Minister Oscar Aguad confirmed on Saturday, Efe news reported.

Crew members' relatives gathered at the Mar del Plata naval base, waiting for news.

The submarine was originally scheduled to arrive Monday to the base in Mar del Plata, about 250 miles (400 kilometers) southeast of Buenos Aires.

All land communications bases along the coast were ordered to scan for any follow-up signals, as family members of the missing waited nervously in the coastal city of Mar del Plata.

It is one of three submarines in the Argentine fleet. Built in Germany, it underwent maintenance in 2008 in Argentina.

The Argentine Navy has said that they do not believe the malfunction was the reason the submarine has been missing.

Mysterious Signals Did Not Come from Missing Submarine; MF/HF Frequencies Listed