RN Subs

Built By:	Vickers (Barrow)
Build Group:	L2
Fate:	Broken Up February 1939

1928:	Lieutenant Commander	Geoffrey Meredyth Keble-White
1931:	Lieutenant Commander	William Cowley Thomas
1933:	Lieutenant Commander	Henry Carlton Cumberbatch
1936:	Lieutenant	John Wallace Linton

15-09-1917	Laid Down
11-10-1919	Launched
05-10-1920	Completed

Boat Classes

1916 - 1945: L Class1901 - 1913: Holland Class1902 - 1920: A Class1903 - 1906: B Class1903 - 1906: C Class1907 - 1919: D Class1911 - 1924: E Class1912 - 1919: V (early) Class1912 - 1915: S Class1913 - 1919: Nautilus Class1914 - 1916: Swordfish Class1914 - 1922: F Class1914 - 1921: G Class1914 - 1916: W Class1915 - 1929: J Class1915 - 1926: K Class1916 - 1945: L Class1916 - 1932: M Class1917 - 1945: H Class1917 - 1934: R Class1918 - 1931: K26 Class1921 - 1925: X1 Class1924 - 1945: Oberon Class1925 - 1946: Odin Class1927 - 1946: Parthian Class1929 - 1946: Rainbow Class1929 - 1945: River Class1930 - 1946: Grampus Class1935 - 1970: Improved S Class1935 - 1970: T Class1936 - 1958: U Class1940: Archimede Class1940 - 1946: The 9th Foltilla1940 - 1957: Turkish Class1941 - 1944: VIIC Class1941 - 1944: US S Class1941 - 1945: US R Class1941 - 1958: V Class1942 - 1946: X Class1943 - 1946: XT Class1943 - 1977: Amphion Class1944 - 1952: XE Class1945 - 1949: XVIIB Class1954 - 1958: Stickleback Class1955 - 1970: Explorer Class1956 - 1988: Porpoise Class1959 - 1998: Oberon Class1963 - 1980: Dreadnought Class1966 - 1994: Valiant Class1967 - 1996: Resolution Class1970 - 1990: Churchill Class1973 - 2010: Swiftsure Class1983 - 2025: Trafalgar Class1990 - 1994: Upholder Class1993 - Present: Vanguard Class2010 - Present: Astute ClassFuture: Dreadnought Class

Boats In Class

-- Select From List -- L 1L 2L 3L 4L 5L 6L 7L 8L 9L 10L 11L 12L 14L 15L 16L 17L 18L 19L 20L 21L 22L 23L 24L 25L 26L 27L 32L 33L 52L 53L 54L 55L 56L 69L 70L 71

Length overall	238 ft 7 inch
Beam	23 ft 6 inch
Draught	13 ft 3 inch
Displacement	914 tons (surface)
	1089 tons (submerged)
Diving Depth	150 ft
Speed	Surface 17 knots (design)
	Surface 17 to 17.5 knots (service)
	Submerged 10.5 knots (design)
	Submerged 10.5+ knots (service)
No. of shafts	2
Propeller	3 blades, 5 ft 7 inch diameter
Armament	4 x 18 inch bow tubes
	2 x 18 inch beam tubes
	(10 torpedoes carried)
	1 x 4 inch gun
Endurance	Surface: 2800 miles at full power (design)
	Surface: 2850 miles at full power or 3600 miles at half full power (service)
	Submerged: 14 miles at full power (design)
	Submerged: 14 miles at full power or 65 miles at 5 knots (service)
Complement	38

The Loss of Submarine A3

Submarine A3 was sunk as a result of a collision with HMS Hazard on 2nd Feb 1912 during trials in the Solent. All members of the crew were lost. The Submarine was raised and the bodies of the crew recovered. They were buried, later, in the Haslar Royal Naval Cemetery.

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