Top
Home → Boats → Submarines → Trafalgar Class → Tireless

Tireless (S 88)

Built By: Vickers (Barrow)
Build Group: SSN 4b
Fate: Decommissioned at Devonport 19-06-2014

Upload An Image Of This Boat

Launched by Mrs Sue Squires wife of Admiral Robert 'Tubby' Squires (Retd) a former FOSM motto: "Esto Perpetua"


Related Pages

Tireless On Top Of The World

For 17 hours, HMS Tireless was on top of the world - and the memories will linger long in the minds of the sailors who experienced it.

Events

 05-07-1979   Ordered from Vickers, Barrow
 08-12-1981   Laid Down
 17-03-1984   Launched
 05-10-1985   Completed
 14-10-1985   Left Barrow
 13-05-2003   While on exercise in the Arctic and travelling at a depth of 60 metres, Tireless collided with an iceberg. There was no prior warning of the impending collision from passive sonar or other onboard sensors. The submarine's bow was forced down nine degrees and the vessel subsequently broke free of the iceberg at a depth of 78 metres. Some damage was sustained to the upper section of the boat. Before the incident, the Royal Navy had not conducted under-ice operations since 1996.
 19-04-2004   Tireless and USS Hampton rendezvoused under the Arctic ice and surfaced together at the North Pole.
 21-04-2007   HMS Tireless, while participating in the Joint US Navy/Royal Navy Ice Exercise in the Arctic Ocean, experienced an explosion of a self contained oxygen generation candle that killed two crew members and injured one. The explosion occurred at approximately 12:20am.
 09-07-2010   Tireless began a ten-month deployment, spending 253 days at sea, the longest conducted by a Royal Navy submarine for ten years
 12-05-2011   Tireless completed a ten-month deployment, spending 253 days at sea, the longest conducted by a Royal Navy submarine for ten years
 01-04-2014   Tireless arrived in the southern Indian Ocean to join the search for a missing Malaysian Airlines flight MH370, where its sophisticated underwater listening equipment was used in an unsuccessful to attempt to detect the underwater locator beacon of the aircraft's flight recorders
 19-06-2014   Decommissioned at Devonport

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
Add A Comment (click to open)

This form is for you to comment on, or add additional information to this page. Any questions will be deleted. If you wish to ask a question contact the Branch or the Webmaster using the Contact Us page or ask your question on our Facebook Page

Name E-Mail
Your email will not be shown, but is required
Anti Spam: Type the following code exactly as shown into the box below.

QnJF    
Note: All submissions are subject to approval prior to appearing on the page. As a SPAM prevention measure, any comments containing links to other sites will be automatically discarded.

Featured Badge
Featured Book
Twixt the Devil and the Deep Blue Sea
During her distinguished career, HM Submarine Saracen was responsible for sinking thousands of tons of Axis shipping.

But in August 1943 her luck ran out when she was mortally wounded by depth charges from two Italian corvettes, the last Allied submarine to be sunk by the Italians.
Buy from Amazon
Latest Updated Pages
Branch Events
Updated: February 10, 2026
Branch Rules and Minutes
Updated: February 10, 2026
Branch Newsletter
Updated: February 8, 2026
Branch Noticeboard
Updated: February 8, 2026
Branch Rollcall
Updated: February 3, 2026
About Me
Updated: January 31, 2026
Commodore David Charles Langbridge MSC CEng FIME
Updated: January 31, 2026
Lieutenant Commander (WESM) Clive Waghorn
Updated: January 31, 2026
Welcome
Updated: January 31, 2026
Clyde Shipbuilding and Engineering
Updated: January 28, 2026
In Depth Newsletter
Updated: January 19, 2026

11 pages added or updated in the last Array month

Errors and Corrections

Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button

Report An Error

Buy Me A Coffee

If you find this site useful, please consider supporting my work with a small Donation. Or you can make a big one if you like :)

Click to Donate

Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.

Thankyou for your support.