An Argentine submarine disappeared and a rescue operation was deployed

Gestart door jurrien visser (JuVi op Twitter), 17/11/2017 | 12:53 uur

MasterChief1971

Als je dan ziet wat het weer en het zeetje is kan ik me wel een voorstelling maken...
Geen pretje om in zulk weer boven watrr te varen. Als dan je voortstuwing uitplokt...
"Whosoever commands the sea, commands the trade; whosoever commands the trade of the world commands the riches of the world, and consequently the world itself"- Sir Walter Raleigh

Parera

Citaat van: jurrien visser (JuVi op Twitter) op 20/11/2017 | 18:02 uur
Via een selecte twitter chat groep (met de NL OZD) begrijp ik dat bovenstaand bericht NIET waar is.

Nep nieuws om de Argentijnse bevolking hoop te laten houden en geen kritiek op de Argentijnse overheid te kunnen hebben? Is al het zoveelste bericht dat men contact zou hebben/poging tot contact hebben gemaakt die achteraf niet waar bleek. :silent:

Kan me niet voorstellen hoe erg dit moet zijn voor de familie die thuis zit. Nu blijkt dat in het laatste contact tussen de boot en de marine gesproken werd over kortsluiting in de accu's, waardoor de commandant de opdracht kreeg terug te keren naar de thuis haven. Er is ook geen moment dat ik me kan bedenken dat een commandant een boot met problemen in de accu's onderwater laat terugkeren naar huis i.p.v. aan de oppervlakte.

jurrien visser (JuVi op Twitter)

Argentinian navy releases video of search for missing submarine

https://youtu.be/ydKReu0oGNk via @YouTube


jurrien visser (JuVi op Twitter)

Citaat van: jurrien visser (JuVi op Twitter) op 20/11/2017 | 17:10 uur
Argentinian navy possibly detects noises from missing sub @CNNI

Via een selecte twitter chat groep (met de NL OZD) begrijp ik dat bovenstaand bericht NIET waar is.

Reinier

Citaat van: Parera op 20/11/2017 | 17:28 uur
Hadden we nog Orions of andere MPA's gehad dan konden we misschien wel iets betekenen maar helaas.  :silent:

A US Navy P-8A Poseidon aircraft, also known as a submarine hunter, is now assisting in the search area. The official said that the waters of the Atlantic Ocean where the sounds originated are extremely deep. The official stressed that search efforts thus far have yet to locate the submarine.
http://cnn.it/2AWWMnY

Parera

Citaat van: Thijs84 op 20/11/2017 | 16:38 uur
Heldere uiteenzetting (waarvoor dank)  met conclusie: kansloze missie ;)
Hadden we nog Orions of andere MPA's gehad dan konden we misschien wel iets betekenen maar helaas.  :silent:

jurrien visser (JuVi op Twitter)


Thijs84

Heldere uiteenzetting (waarvoor dank)  met conclusie: kansloze missie ;)

Lex

Citaat van: Thijs84 op 20/11/2017 | 16:17 uur
Zou de Van Speijk nog een bijdrage kunnen leveren of is die te ver weg vanuit Curaçao?
De af te leggen afstand vanaf Willemstad bedraagt zo'n 4650nm; bij een behoud van 20kts duurt dat 9.5 dagen; het weer in het gebied is erg slecht, waardoor de transit wellicht langer zal duren. En dan is er ook nog het feit dat er dan brandstof moet worden geladen.

Thijs84

Op Marineschepen.nl is ondertussen een liveblog gestart. Zou de Van Speijk nog een bijdrage kunnen leveren of is die te ver weg vanuit Curacao?

jurrien visser (JuVi op Twitter)

Daniel Politi‏ @dpoliti 

Chile, U.S. and U.K. have offered to help Argentina in its ongoing "humanitarian search" for missing Navy submarine with 44 crew members that has been incommunicado since Wednesday.




jurrien visser (JuVi op Twitter)

An Argentine submarine disappeared and a rescue operation was deployed

Wednesday morning was the last time that the ship ARA San Juan sent its position;  I would have suffered an energy problem on board

Thursday November 16, 2017

The submarine of the Argentine Navy ARA San Juan is searched in the area of ​​the San Jorge Gulf, in Chubut , where its last position was registered in the early hours of November 15.  At more than 48 hours, it is believed that the submarine, a TR-1700 with diesel-electric propulsion and capacity for 37 crew, could have had a problem in the power supply.

Yesterday morning, the Navy ordered an operation to reestablish the link: as LA NACION could have known, two corvettes and an airplane participated, which flew over the estimated area where the vessel could be found.

"The last reliable and official information is that the submarine has not yet been found, it is not that it is lost, to be lost you have to look for it and not find it," said Enrique Balbi, head of the Institutional Communication Department of the Navy.

In dialogue with the TN channel, Balbi assured that the submarine "was heading from the Ushuaia naval base to the Mar del Plata naval base, its usual station, on a very open road" and that "at some point there was no communication" .

The head of the Department of Institutional Communication of the Navy explained that "a protocol was initiated, an internationally approved plan, that when a submarine has ceased to have a link, some procedures are initiated to force the link".

The "half life repair" of ARA San Juan


The submarine ARA San Juan had been subjected in 2008 to a "half life repair", a difficult and complex work for which it was necessary a preparation of two years of engineering work in the facilities of the Argentine Industrial Naval Complex (Cinar) for to be able to carry it out.  A statement from that time stated that the arrangements would extend the life of the vessel for 30 years.

The submarine entered the Cinar in December 2008. To replace the engines it was necessary to cut the hull of the vessel in half with oxygen-acetylene and separate it into two parts because it was not possible to remove or enter equipment through the small hatches.

The four MTU diesel engines of 16 cylinders in V and 1200 Kw of power were replaced, which move an equal quantities of alternators of 4000 amperes.  Likewise, the electric motors responsible for the movement of the propeller received an integral maintenance -which included its complete dismantling, cleaning, measuring, calibrating and subsequent reassembly- with a replacement of the assemblies that dampen the vibration of the engine.

We also made a replacado and comprehensive repair of each of the 960 batteries that operate the submarine and repaired valves and other mechanisms.

The task of reconnecting the submarine, which took place at the end of 2011, involved complexities from a technical point of view: there could be no mistake that compromised the life and safety of the ship's crew.

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