| Built By: | Vickers (Barrow) |
| Build Group: | A1 |
| Fate: | Foundered in Bomb Ketch Lake Portsmouth in January 1920. Sold 22/10/1925 to H J Pounds of Portsmouth |
HMS Mercury, Portsmouth.
1914-15: Harbour service, Portsmouth
1918: Training duty
| 06-11-1902 | Laid Down |
| 15-04-1903 | Launched |
| 21-06-1904 | Completed |
| 22-10-1925 | Sold to H J Pounds of Portsmouth |
| Length overall | 105 ft 1/2 inch |
| Beam | 12 ft 8 3/4 inch |
| Depth | 10 ft |
| Displacement | 190 tons (surface) |
| 205.5 tons (submerged) | |
| Diving Depth | 100 ft |
| Speed | Surface 11.5 knots (design) 11+ knots (service) |
| Submerged 7 knots (design) 6 knots (service) | |
| No. of shafts | 1 |
| Propeller | 3 blades, 4 ft 4 inch diameter |
| Armament | 2 x 18 inch bow torpedo tubes (4 torpedoes carried) |
| Endurance | Surface: 600 miles at full power (design) |
| Surface: 325 miles at full power (service) | |
| Submerged: 20 miles at 6 knots (service) | |
| Complement | 11 |
| Class: | 1983 - 2025: Trafalgar Class |
| Built By: | Vickers (Barrow) |
| Build Group: | SSN 4b |
| Fate: | |
| Formally decommissioned July 2025 before spending up to 2 years with a skeleton crew being prepared for long-term storage afloat. She will then join the fleet of boats in 3 Basin at Devonport to await disposal. | |
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| Length overall | 105 ft 1/2 inch |
| Beam | 12 ft 8 3/4 inch |
| Depth | 10 ft |
| Displacement | 190 tons (surface) |
| 205.5 tons (submerged) | |
| Diving Depth | 100 ft |
| Speed | Surface 11.5 knots (design) 11+ knots (service) |
| Submerged 7 knots (design) 6 knots (service) | |
| No. of shafts | 1 |
| Propeller | 3 blades, 4 ft 4 inch diameter |
| Armament | 2 x 18 inch bow torpedo tubes (4 torpedoes carried) |
| Endurance | Surface: 600 miles at full power (design) |
| Surface: 325 miles at full power (service) | |
| Submerged: 20 miles at 6 knots (service) | |
| Complement | 11 |
| Class: | 1983 - 2025: Trafalgar Class |
| Built By: | Vickers (Barrow) |
| Build Group: | SSN 4b |
| Fate: | |
| Formally decommissioned July 2025 before spending up to 2 years with a skeleton crew being prepared for long-term storage afloat. She will then join the fleet of boats in 3 Basin at Devonport to await disposal. | |
20 pages added or updated in the last 1 month
Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button
If you find this site useful, please consider supporting my work with a small Donation.
Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.
Thankyou for your support.

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