4 October 1912

Sank off Dover after collision with SS Amerika

In the early hours of 4 October HMS B2 was on the surface about four miles north east of Dover when the 23,000-ton steamer SS Amerika, on passage from Hamburg to New York, via Southampton, collided with the submarine. B2 was struck just forward of the conning tower: - a fatal blow that sent the submarine immediately to the bottom.


10 December 1913

Sank off Plymouth Sound after collision with Hopper

On the evening of the 10th of December HMS C14, en route to Plymouth, when she collided with Government Hopper No 27 in Plymouth Sound. The submarine immediately began to take in large amounts of water and began sinking by the stern. The collision took place within sight of land from where help soon arrived and although the submarine sank within ten minutes, there were no casualties. HMS C14 was later salvaged and returned to active service.


8 June 1913 Internal explosion

An explosion occurred inside E5's Main Engines, resulting in the death of one Officer and two men. In addition, nine men were badly burned. The final resting place of WWI submarine HMS E5 was located by divers off the coast of the Netherlands in 2016.


16 January 1914

Sank in Whitsand Bay near Plymouth

Whilst carrying out practice torpedo attacks against HM Ships Onyx and Pigmy, HMS A7 failed to surface having been seen to submerge by HMS Pigmy at 1110 The cause of her loss is not known and although her wreck was located on the 22nd of January bad weather prevented salvage.


14 September 1914

Lost off New Britain (unknown cause)

On the 14th September 1914 Australian Submarine AE1, with a mixed crew of both British and Australian submariners, began a patrol of St Georges Straits accompanied by the Destroyer HMAS Parramatta. Visual contact between the two vessels was lost at around 1530. After which the submarine was not seen again. No claim of her sinking was ever made by Germany and no wreckage was found.


18 October 1914

Sunk off Borkum Island by U27

HMS E3 left Harwich on the 16th October 1914 to patrol an area off Borkum. At the same time U27 was patrolling off the mouth of the Ems. At 1025 on the morning of 18 October U27 sighted E3 on the surface and was able to approach unobserved firing her torpedoes at a range of approximately 300 yards. The resulting explosion broke E3 in half and sent her immediately to the bottom.