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Torbay (S 90)

Built By: Vickers (Barrow)
Build Group: SSN 4b
Fate: HMS Torbay was decommissioned at a ceremony at Devonport Naval Base on 14-07-2017.

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Launched by Lady Ann Herbert, wife of Admiral Sir Peter Herbert

Most of us have experience of using Microsoft Windows on a home computer but HMS Torbay became the first Royal Navy vessel to put to sea using it. The new computer-driven command system was termed SMCS-NG.

Barrow's Trafalgar-class product has another claim to fame in its colour. Torbay participated in an experiment in the use of colour schemes to reduce the visibility of submarines from the air. In 2006, the standard black paint of Royal Navy submarines was replaced by a carefully selected shade of blue. This was the result of research which found that black was the worst possible colour for a submarine attempting to avoid detection from the air. This has become a more important factor as a result of the changing nature of Royal Navy commitments since the end of the Cold War. Naval operations have moved from the murky waters of the North Atlantic to the clearer waters of the Arabian Sea and the Indian Ocean.

Torbay completed a refuel and modernisation process in February 2001.

In 2008 Torbay was back at sea as the most powerful in the fleet with a new state-of-the-art missile system. The boat was out of action for more than year for the major refit at Faslane on the Clyde. It allowed the submarine to send and receive email was submerged.

The biggest change was the latest longer-range Block IV version of the Tomahawk cruise missile. Torbay could launch missile strikes from sea on land targets from a range of up to 1,000 miles. The missile system could also retarget or safely abort in flight and relay images enroute to boost intelligence gathering.


April edition 2010. TWOSIX.tv presenter Kate McIntyre visits HMS Torbay, to take a look at the roles and life on board a Royal Navy submarine and to talk to submariners and their families

In November 2010, it was reported that Torbay had run aground in the Eastern Mediterranean the previous year.

In 2013 there was a fire on board ship, although thankfully no one was hurt and little damage done to the vessel herself.

Events

 21-12-1982   Laid Down
 08-03-1985   Launched
 07-02-1987   Completed
 28-02-1987   Left Barrow
 26-03-2014   HMS Torbay emerged from refit at Plymouth.

The Trafalgar Class submarine had been in a revalidated assisted maintenance period (RAMP) which has seen it upgraded and the nuclear power plant given a new lease of life.
 17-03-2015   HMS Torbay arrived at Plymouth Sound to begin her transit up the River Hamoze to her berth in HM Naval Base Devonport following a six month deployment.

During her deployment HMS Torbay has travelled 19,653 nautical miles, roughly equivalent of once round the world and spent 2,562 hours dived.
 06-06-2017   HMS Torbay entered Gibraltar Naval Base flying her paying-off pennant.
 14-07-2017   Following her final deployment, HMS Torbay was decommissioned at a ceremony at Devonport Naval Base. Torbay was scheduled to be decommissioned in 2015, due to extended maintenance she stayed in service until today

Official
SSN 4b Specification
Primary Roles  Anti-submarine/surface vessel warfare
Secondary Roles  Land attack (optional), Minelaying, Designed for littoral, deep sea or world-wide deployment.
Length overall  91.7m
Beam  10.4m
Draught  10m (max)
Displacement   6,000 tons (surface)
  6,500 tons (submerged)
Diving Depth  over 300m
Speed  Submerged 32 knots (design)
No. of shafts  1
Reactor  1 x Rolls Royce PWR-2
Turbines  2 x GEC Turbines
Generators  2 x WH Allen turbo generators, 2 Paxman diesel alternators (2,800 hp)
Power  15,500 shp
Endurance  90 day patrol
Propulsion  Pump jet propulsor
Armament  5 x 533mm missile tubes
  Total of 38 weapons
  Sub Harpoon missiles (SSM)
  Spearfish torpedoes
  Tigerfish torpedoes
  Tomahawk missiles (SLCM)
  Mines (in lieu of torpedoes)
Countermeasures   2 x SSE Mk 10 Launchers for Type 2066 and 2071 decoys
  ESM; Racal UAP 3, passive intercept
Navigation  Kelvin Hughes Type 1007
Combat Data Systems  BAeSEMA SMCS
Weapons Control  Dowty tactical control system SAFS 3 FCS
Sonars  Marconi/Ferranti Type 2076 integrated suite with reelable towed array
Complement   108 (12 officers) + 12 spare
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