HMS E4 (Paperback)

High Quality Content by WIKIPEDIA articles! HMS E4 was a British E class submarine built by Vickers, Barrow-in-Furness, costing 101,900. E4 was laid down on 16 May 1911, launched on 5 February 1912 and commissioned on 28 January 1913. On 24 September 1915 E4 was attacked by the German airship SL3. On 15 August 1916, she collided with sister ship E41 during exercises off Harwich. Both ships sank and there were only 14 survivors, all from E41. Both boats were raised, repaired and recommissioned.