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Thread: Argentine submarine 'San Juan' missing/losst at sea.

  1. #1
    Senior Contributor Monash's Avatar
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    Argentine submarine 'San Juan' missing/losst at sea.

    From ABC news; http://www.abc.net.au/news/2017-11-1...people/9164382

    From Wikipedia: 'The San Juan was built by Thyssen Nordseewerke and completed on 19 November 1985. Her mid-life update was carried out in Argentina between 2008 and 2013. The update cost around 100 million pesos ($12.4 million) and comprised more than 500,000 work hours during which the submarine was cut in half and had its four MTU engines and batteries replaced.

    General Characteristics:

    2116 tonnes (Surfaced)
    2264 tonnes (Submerged)

    Length: 66 m (216 ft 6 in)
    Beam: 7.3 m (23 ft 11 in)
    Draught: 6.5 m (21 ft 4 in) (21.32 feet)
    Propulsion:

    1 shaft 4 MTU diesels
    1 Siemens electric motor

    Speed:

    15 knots (28 km/h; 17 mph) surfaced
    25 knots (46 km/h; 29 mph) submerged

    Range: 12,000 nmi (22,000 km; 14,000 mi) at 8 kn (15 km/h; 9.2 mph) surfaced
    Endurance: 30 days
    Test depth: 300 m (980 ft)
    Complement: 26

    Apparently there were 44 crew and/or other personnel on board at the time contact is lost. I can only pray the search teams find her quickly. I think I can speak for all forum members when I say my thoughts are with the families of the crew who are waiting for news.

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    Quote Originally Posted by Monash View Post
    From ABC news; http://www.abc.net.au/news/2017-11-1...people/9164382

    From Wikipedia: 'The San Juan was built by Thyssen Nordseewerke and completed on 19 November 1985. Her mid-life update was carried out in Argentina between 2008 and 2013. The update cost around 100 million pesos ($12.4 million) and comprised more than 500,000 work hours during which the submarine was cut in half and had its four MTU engines and batteries replaced.

    General Characteristics:

    2116 tonnes (Surfaced)
    2264 tonnes (Submerged)

    Length: 66 m (216 ft 6 in)
    Beam: 7.3 m (23 ft 11 in)
    Draught: 6.5 m (21 ft 4 in) (21.32 feet)
    Propulsion:

    1 shaft 4 MTU diesels
    1 Siemens electric motor

    Speed:

    15 knots (28 km/h; 17 mph) surfaced
    25 knots (46 km/h; 29 mph) submerged

    Range: 12,000 nmi (22,000 km; 14,000 mi) at 8 kn (15 km/h; 9.2 mph) surfaced
    Endurance: 30 days
    Test depth: 300 m (980 ft)
    Complement: 26

    Apparently there were 44 crew and/or other personnel on board at the time contact is lost. I can only pray the search teams find her quickly. I think I can speak for all forum members when I say my thoughts are with the families of the crew who are waiting for news.
    Lets hope, she is found crew alive and able to be rescued.

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    My prayers for the people onboard. Hope they are found quickly in safe health.

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    Hope they are found safe!

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    Senior Contributor Monash's Avatar
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    Latest news update is that the submarine has been located on the bottom in 70m of water having apparently lost electrical power (no details as to how this last point has been determined and no word as yet of contact with the crew, although that may have happened.)

    Stop press - the above may be a false report.
    Last edited by Monash; 18 Nov 17, at 02:22.

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    Senior Contributor surfgun's Avatar
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    Perhaps, the NASA P-3B could find it?
    https://news.usni.org/2017/11/17/nas...ent-mobilizing

    Regardless, if the sub has been unaccounted for 2-3 days the outlook is bleak.

    The above story has been updated as a USN P-8 is now reportedly enroute.
    Last edited by surfgun; 18 Nov 17, at 12:17.

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    Any clue on how long it can last?

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    Quote Originally Posted by Oracle View Post
    My prayers for the people onboard. Hope they are found quickly in safe health.
    The Pope is praying for them too.

    Weather in the search area is apparently pretty bad to the extent that tonight they had to suspend operations for a while, and while they've restarted them they may have to suspend again today. 7-8 meter waves and 40+ knots winds.

    Quote Originally Posted by Monash View Post
    Latest news update is that the submarine has been located on the bottom in 70m of water having apparently lost electrical power (no details as to how this last point has been determined and no word as yet of contact with the crew, although that may have happened.)

    Stop press - the above may be a false report.
    Should be, as the search area is the slope from the continental shelf to the abyssal plain of the South Atlantic. Depths of 600m at the western edge to 5000m at the eastern edge. There's an undersea mesa some 30-40 nm to the west of the search area on the continental shelf though that has depths of only 25-75m.
    Last edited by kato; 18 Nov 17, at 17:34.

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    Senior Contributor surfgun's Avatar
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    Three C-17’ and a C-5 Galaxy are to arrive in Argentina by Sunday with members of the US Undersea Rescue Command and their kit.
    https://news.usni.org/2017/11/18/u-s...sing-submarine

  10. #10
    Senior Contributor Monash's Avatar
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    Latest from ABC News: http://www.abc.net.au/news/2017-11-1...marine/9166324

    "Authorities said they could not confirm the calls came from the submarine, but said that was the working hypothesis."

    Unfortunately (and correct me if I am wrong) but this sounds more like officials are clutching at straws. If the crew couldn't establish contact with shore and they had a major power outage why not deploy an emergency distress beacon or similar system to call for help?

    Grateful for any advice from someone with detailed knowledge of procedures in these kind of circumstances.
    Last edited by Monash; 19 Nov 17, at 07:10.

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    Senior Contributor surfgun's Avatar
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    For those that may not know, the Undersea Rescue Command has a Facebook page.
    https://m.facebook.com/UnderseaRescueCommand/

  13. #13
    Senior Contributor surfgun's Avatar
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    For those that may not know, the Undersea Rescue Command has a Facebook page.
    https://m.facebook.com/UnderseaRescueCommand/

  14. #14
    Senior Contributor Monash's Avatar
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    Latest news update.

    http://www.dailymail.co.uk/news/arti...ated-Navy.html

    Given the lack of a 'confirmed' contact and the timing, technical and logistical issues involved I doubt there will be a positive outcome. Hopefully I will be proved wrong.
    Last edited by Monash; 22 Nov 17, at 10:19.

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    Some information coming out, but it doesn't look like they have found anything yet.

    https://news.usni.org/2017/11/29/wat...cted-explosion

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