|Builder:||Vickers Limited, Barrow-in-Furness|
|Laid down:||18 May 1916|
|Launched:||6 July 1917|
|Commissioned:||18 December 1917|
|Fate:||Sold for scrapping, March 1930|
|Class and type:||L class submarine|
|Displacement:||890 long tons (904 t) surfaced
1,074 long tons (1,091 t) submerged
|Length:||222 ft (68 m)|
|Beam:||23 ft 6 in (7.16 m)|
|Speed:||17.3 knots (32.0 km/h; 19.9 mph) surfaced
10.5 knots (19.4 km/h; 12.1 mph) submerged
|Range:||2,800 nmi (5,200 km) at 10 kn (19 km/h; 12 mph) surfaced|
|Armament:||• 6 × 18 in (457 mm) torpedo tubes (4 bow, 2 beam)
• 10 × 18 inch torpedoes
• 1 × 4-inch gun
HMS L2 was a British L-class submarine built by Vickers, Barrow. Originally laid down as E-class submarine E58 on 18 May 1916, she and sister ship E57 incorporated enough changes that they were renamed as the first pair of boats of a newly designated L class. L2 was launched 6 July 1917, and commissioned on 18 December 1917.
L2 survived an accidental attack by three American destroyers on 24 February 1918. The first heavy depth charge jammed the hydroplanes hard up. This caused a tremendous inclination to the stern with the tail of the submarine touching the sea bed at 300 feet. Four more heavy depth charges exploded shaking the boat. The skipper, Lieutenant-Commander Anworth, gave the order to blow the number 5 and 6 ballast tanks. L2 surfaced and came under fire by the three destroyers from about 1,500 yards. One shot struck the pressure hull just abaft the conning tower. The crew waved white ensigns and fired rifles and the destroyers ceased fire. She survived the encounter.
- "L Class Submarines". battleships-cruisers.co.uk. Retrieved 12 May 2010.
- Colledge, J. J.; Warlow, Ben (2006) . Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475.
- Gardiner, Robert, ed. (1985). Conway's All the World's Fighting Ships, 1906–1921. Annapolis, Maryland: Naval Institute Press. p. 93. ISBN 978-0-87021-907-8. OCLC 12119866.
- Hutchinson, Robert (2001). Jane's Submarines: War Beneath the Waves from 1776 to the Present Day. London: HarperCollins. ISBN 978-0-00-710558-8. OCLC 53783010.
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