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designeraccd
29-12-2009, 10:26
from AVIATION WEEK:

Spanish Sub Fleet Back to Two, up from One
Posted by Christina Mackenzie at 12/22/2009 2:21 AM CST

Spain's submarine fleet is beginning to regain operational capacity a year after the serious accident aboard the Tramontana in which water began infiltrating the hull while it was 300m deep and 15 nautical miles off the coast of Cartagena. The crew were able to get the submarine back to port.

The incident led to the temporary withdrawal of the four submarines of the Agosta-class in order to review them.

Today there are two submarines which are fully operational, which, as the Spanish daily ABC remarks “is twice the number we've had all year. Between this incident and budgetary restrictions, there has only been one operational submarine and even that had diving limitations."
The four Agosta-class submarines were built in the early 80s with technical help from France and they are now approaching the end of their operational lives. The submarines should be replaced within four years by the first of the S-80s being built by Spanish shipyard Navantia.

Last month the oldest of the submarines, the “Galerna”, went into dry-dock for probably the last of its five-yearly €30 million major technical visits. The next oldest, the “Siroco” will be next once the Galerna goes back to sea. The “Mistral” has had large parts of its hull replaced as has the “Tramontana,” the newest of the four vessels. The incident it suffered occurred during sea trials after one of these major technical visits.


Oh my.....DFO :eek:

Don Boyer
29-12-2009, 17:58
"...water began infiltrating the hull while it was 300m deep..." is not something I'd care to here about if I was on a submarine! Kinda spoils the mood.

Any word on exactly what caused the "leak?" Obviously it was not serious enough to prevent surfacing from very deep, but still, not something you'd expect from a tried and true submarine design. Being fresh from overhaul makes one think that the yard made some errors...

Regards,

Asdrúbal el Bello
25-01-2010, 19:28
Well. It's a bit embarrassing to explain, but I'll try. The Tramontana had just left one of his "Great Carenas" :confused: (remove the boat and re-assembling). It was done immersion tests a few miles from Cartagena, with Navantia technical assistants, when one of the "through-hull" (pasacascos) :confused: began oozing to 900 feet deep. The commander, that had ordered zafarrancho de combate "clear for action" :confused: a few minutes before, ordered an emergency surface. But the submarine did not reach the angle of ascent and was ordered release ballast. Thank God she reached the surface. Then was ordered to disassemble and check all "through-hull" in all the submarine fleet units. That made for several months the Armada did not have submarine forces.

The Tramontana returned to active duty in September (with limited operational depth), and the Mistral is conducting tests at sea now. The Galerna, in his "Great Carena", is supposed to be ready by mid-year and the Sirocco, which is now in dry dock, in late 2010 or early 2011 (budget issue).

All a bit sad.

Moreover, not yet clarified the responsibilities of Tramontana accident, who was fresh out of the yard.

Google Translate and all That

culverin
09-07-2011, 14:42
Tramontana and Mistral have both recently been doing a bit off Libya on an alternating basis.