| Built By: | Armstrong Whitworth (Tyne) |
| Build Group: | M |
| Fate: | Sold for scrapping in February 1932. |
| 1919: | Lieutenant Commander | Hugh Richard Marrack | DSC |
| 1923: | Lieutenant Commander | Colin Mayers | |
| 1924: | Lieutenant | James Feltham | |
| 1927: | Lieutenant Commander | Ian Agnew Patteson Macintyre | |
| 1943: | Acting Lieutenant | Leslie Arthur Martin |
Started life as K20.
15th October 1926: Reserve.
1927-1928: Reconstuction at HM Dockyard, Chatham.
June-October 1928: Trials.
8th October 1928: Reserve.
1928-1930: Reserve-Portsmouth - Trials.
1930-1932: Reserve-Portsmouth.
In 1927 M2 and M3 had their large 12-inch guns removed in the late 1920s to conform with the Washington Disarmament Treaty, which stated that no submarine should have larger than 8-inch calibre guns.
M3 was converted to an experimental minelayer, stowing her 100 mines on rails inside a large free-flooding casing outside the hull. The mines were laid over her stern by means of a chain-conveyor belt. M3 was finally taken out of service in April 1932, and scrapped in 1933.
| 04-12-1916 | Laid Down |
| 19-10-1918 | Launched |
| 09-07-1920 | Completed |
| Length overall | 295 ft 9 inch |
| Beam | 24 ft 8 inch |
| Depth | 18 ft 8 inch |
| Displacement | 1594 tons (surface) |
| 1946 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | Surface 16 knots (design) 10 (service) |
| Submerged 10 (design) 8 to 9 knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 10 inch diameter |
| Armament | (i) 4 x 18 inch bow tubes (8 torpedoes carried) |
| 1 x 12 inch gun | |
| 1 x 3 inch gun | |
| Endurance | Surface: 2500 miles at 16 knots (design) 2000 miles at full power or 4500 miles max (service) / Submerged: 10 miles at 10 knots (design) 9 miles at 8+ knots (service) |
| Complement | 6 Officers and 62 Ratings |
| Note | (i) In M3 these were replaced by four 21 inch bow tubes, which were responsible for an overall increase in length of 10 ft |
| M-class Submarines |
Martin H. Brice |
| Class: | 1936 - 1958: U Class |
| Built By: | Vickers (Barrow) |
| Build Group: | U1 |
| Fate: | |
| Sank after collision with the Norwegian Atle Jarl off the River Tyne entrance 29th April 1940. Lt. Low along with three ratings remained below shutting bulkhead doors while the remainder of the crew reached safety. Lt. Low was posthumously awarded the George Cross. All four who remained behind were lost. | |
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| Length overall | 295 ft 9 inch |
| Beam | 24 ft 8 inch |
| Depth | 18 ft 8 inch |
| Displacement | 1594 tons (surface) |
| 1946 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | Surface 16 knots (design) 10 (service) |
| Submerged 10 (design) 8 to 9 knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 10 inch diameter |
| Armament | (i) 4 x 18 inch bow tubes (8 torpedoes carried) |
| 1 x 12 inch gun | |
| 1 x 3 inch gun | |
| Endurance | Surface: 2500 miles at 16 knots (design) 2000 miles at full power or 4500 miles max (service) / Submerged: 10 miles at 10 knots (design) 9 miles at 8+ knots (service) |
| Complement | 6 Officers and 62 Ratings |
| Note | (i) In M3 these were replaced by four 21 inch bow tubes, which were responsible for an overall increase in length of 10 ft |
| M-class Submarines |
|
Martin H. Brice |
| Class: | 1936 - 1958: U Class |
| Built By: | Vickers (Barrow) |
| Build Group: | U1 |
| Fate: | |
| Sank after collision with the Norwegian Atle Jarl off the River Tyne entrance 29th April 1940. Lt. Low along with three ratings remained below shutting bulkhead doors while the remainder of the crew reached safety. Lt. Low was posthumously awarded the George Cross. All four who remained behind were lost. | |
11 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. Or you can make a big one if you like :)
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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