Top
Share
Home → Boats → Submarines → T Class → Theban

Theban (P 341)

Built By: Vickers (Barrow)
Build Group: T 3
Fate: Cancelled

Upload An Image Of This Boat

T 3 Specification
Length overall  273 ft 6 inch
Beam  26 ft 6 inch
Depth  14 ft 3 inch
Displacement   1422 tons (surface)
  1571 tons (submerged)
Diving Depth  (i) 300 ft
Speed  Surface 15.25 knots (design)
  Surface 15.25 knots (service)
  Submerged 9 knots (design)
  Submerged 8.75 knots (service)
No. of shafts  2
Endurance  Surface: 7500 miles at 15.25 knots (design)
  (ii) Surface: 8000 miles at 10 knots (service)
  Submerged: 80 miles at 4 knots (design)
  Submerged: 80 miles at 4 knots (service)
Armament  8 x 21 inch bow tubes (2 external)
  2 x 21 inch amidship tubes
  (17 torpedoes carried)
  1 x 4 inch gun
  1 x 20mm Oerlikon cannon
  3 x 0.303 inch machine-guns
Complement  (peacetime) 5 Officers and 51 Ratings
  (wartime) 6 Officers and 56 Ratings
Notes  (i) This was increased to 350 feet in the all-welded boats.
  (ii) T Class submarines serving in the Far East were modified to carry extra fuel, which increased endurance to 11 000 miles at 10 knots.
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.

keh9    
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

Astute (P 447)


Class: 1943 - 1977: Amphion Class
Built By: Vickers (Barrow)
Build Group: Amphion
Fate:
Scrapped in October 1970 at Dunston.
Read More
Featured Film
Morning Departure
World War Two thriller starring John Mills. While out on routine patrol, the Royal Navy submarine Trojan accidentally strikes an electronically-operated drifting mine, and plunges immediately to the sea bed. As time and air start to run out, the Captain, Lt Cmdr Armstrong (Mills) gathers the handful of survivors together and tries to figure out the best means of escape.

Richard Attenborough and Nigel Patrick co-star.

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 1 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.