Argentina missing submarine: Concern grows after two false alarms


Argentina missing submarine: Concern grows after two false alarms

Image copyright Reuters
Image caption Vigils for the 44 missing crew are being held outside the naval base in Mar del Plata

Argentina's navy says it will take advantage of improved weather conditions to further step up its search for a submarine that vanished last Wednesday in the Atlantic Ocean.

Strong winds and high waves have hampered the search for the ARA San Juan and its 44 crew in the past days.

On Monday, navy officials said that noises picked up by two search vessels did not come from the sub, dashing relatives' hopes for a speedy rescue.

It was the second false alarm.

A navy spokesman had earlier confirmed that satellite signals picked up on Saturday did not come from the missing boat.

What happened to the sub?

The ARA San Juan was returning from a routine mission to Ushuaia, near the southern-most tip of South America, when it reported an "electrical breakdown".

According to naval commander Gabriel Galeazzi, the submarine surfaced and reported the breakdown, which Capt Galeazzi described as a "short circuit" in the sub's batteries.

The sub was ordered to cut its mission short and return to the naval base in Mar del Plata immediately.

According to navy spokesman Enrique Balbi, the captain of the ARA San Juan contacted the naval base once more after reporting the problem.

In the message, he reportedly said that the problem had been adequately fixed and that the sub would submerge and proceed towards Mar del Plata naval base.

The last contact was made at 07:30 local time (10:30 GMT) on Wednesday 15 November. It is not known what happened to the sub after that contact.

Read: What happens when a submarine vanishes

How was the alarm raised?

Argentine navy protocol stipulates that in peace time, submarines make contact twice a day with the base.

When the submarine failed to call in, the Argentine navy began its search for the vessel.

ARA San Juan submarine

Missing since 15 November

  • Built in Germany: 1983

  • Length: 66 metres

  • Crew: 44

  • Top speed: 45 km/h

  • Range: 22,224 km


Navy commander Carlos Zavalla at that point spoke only of a "failure to communicate" and urged relatives of the crew to remain calm.

There was no mention by navy officials of the vessel having any problems at the time and rumours of a fire on board were dismissed by the navy's spokesman, Enrique Balbi.

When did news of the breakdown emerge?

On Sunday, relatives of some of the crew said that they had been told in messages sent before contact with the submarine was lost, that there was a problem with the sub's batteries.

Image copyright AFP
Image caption Naval commander Gabriel Galeazzi told journalists about the mechanical problems on Monday

On Monday, naval commander Gabriel Galeazzi confirmed the sub's captain had reported a breakdown on Wednesday describing it as a "short-circuit" in the sub's battery system.

Capt Galeazzi said that mechanical problems were not uncommon and rarely posed a risk. "A warship has a lot of backup systems, to allow it to move from one to another when there is a breakdown," he said.

He also said that the sub had not sent a distress signal to the navy base.

Has there been any sign of the sub?

No, there have been no sightings of the sub and no communication since Wednesday.

Image copyright AFP
Image caption The ARA San Juan is 66m long and was built in 1983

News of seven failed satellite calls made to naval bases on Saturday briefly raised hopes that they had come from the submarine.

But the signals were found not to have come from the satellite phone on board the ARA San Juan.

"Noise" picked up by sonar on Monday at sea was also found not to have come from the missing vessel.

The noise was described as "a continuous, constant sound" which did not resemble bangs on the sub's wall in Morse code.

"The sound footprint could not correspond to a sub… it may have been a noise from a living thing," Mr Balbi said.

Who is on board?

There are 44 crew on board the submarine, which is under the command of Pedro Martín Fernández.

Forty-three of the crew are men but there is also one woman, Eliana María Krawczyk. The 35-year-old is the first female officer in Argentina to serve on a submarine.

Image copyright Reuters
Image caption Her family says it was Eliana María Krawczyk's dream to become a submariner

Nicknamed "the queen of the sea" by her father she comes from Oberá, a city in northern Argentina.

Despite having been born and raised far inland, her relatives say that "she was born to be a submariner", citing her "will of steel" and a passion for her job.

The rest of the crew is made up of submariners of varying ages and experience.

The sub's engineer, Hernán Rodríguez, has been on the ARA San Juan for 11 years, local media reported.

How is the search going?

Submarines are built to be difficult to find and the search has been further hindered by bad weather.

The Argentine Navy tweeted a video showing the rough conditions at sea.

Skip Twitter post by @Armada_Arg

#AYER Compartimos con ustedes más imágenes sobre el temporal que están capeando las unidades afectadas al operativo de búsqueda y rescate del #SubmarinoARASanJuan

— Armada Argentina (@Armada_Arg) November 20, 2017


End of Twitter post by @Armada_Arg

Waves of up to six metres in height (19.6ft) have made it difficult for search vessels and planes to spot anything on the sea's surface.

Brazil, Chile, Colombia, France, Germany, Peru, South Africa, Uruguay and the UK have all sent either ships or planes to help with the search.

The US Navy has deployed two underwater vehicles which use sonar to create images of the sea floor.

How the missing submarine could be located

A Nasa research aircraft has also flown over the search area but failed to spot anything.

Despite the failure to find any trace of the sub, the father of one of the crew said relatives remained optimistic.

"In general there's a positive outlook, with the hope that there can be some way of finding them," Jorge Villareal said.

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