12 March 1917

Mined off Huney Island, Shetlands

On leaving Balta Sound for patrol, E49 hit a mine laid by UC76 on the 10th, off the entrance. There were no survivors. She lies in 16 fathoms with bows blown off.

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17 March 1917

Sank off Androssan after ballast tank flooding

May 1916: Paid off and placed in reserve.

A10 foundered while moored alongside HMS Pactolus, at Eglinton Dock, Ardrossan. She was re-floated and sold two years later.

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16 April 1917

Sank off Harwich after collision with HMS Melampus

On exercises off Harwich, at periscope depth, C16 collided with the destroyer HMS Melampus, sustained damage and bottomed in 60 feet. In an effort to raise the alarm on the surface an attempt was made by the First Lieutenant to escape the submarine via a torpedo tube but he was drowned in the attempt. The crew next tried to flood the entire boat and escape through the fore hatch but a fender jammed in the hatch. Before this last attempt the Captain made out a report which was later found in a bottle near his body by the salvage team.

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17 July 1917

Torpedoed East of Fair Isle by U52

Sunk, by German U-boat U52 off the Shetlands. She was on the surface.

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20 August 1917

Lost in North Sea (unknown cause)

Failed to return from a North Sea patrol.

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16 September 1917

Rammed in error by HMS Pasley

G9 left the Tees on 9th September 1917. On the 16th she was on patrol between 60 degrees 30 minutes north and 61 degrees 30 minutes north. It was a very dark night and G9 knew an enemy submarine was in the vicinity. There was heavy rain, with sea state 5 and wind force 4-5.

Whilst on the surface, G9 fired a torpedo at the destroyer HMS Pasley in mistake for German U-boat. The torpedo failed to explode and the destroyer rammed the submarine. The CO of Pasley had received no instructions regarding probable presence of British submarines in this area. The subsequent Court of Enquiry attributed no blame to Pasley.

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22 October 1917

Grounded off Vaist Bay - Blown up to avoid capture

Based at Rogekul to operate in the Gulf of Riga, the submarine was seriously damaged during attack on German naval forces in October 1917. Deliberately ran aground and destroyed by her crew near Pernau, Gulf of Riga, on 22nd October 1917.

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18 November 1917

Damaged off Danish Coast after collision with HMS K4

Sunk to avoid capture

The Light-cruiser HMS Blonde was heading K1, K3, K4 and K7 in line ahead off the Danish coast when she was forced to turn sharply to port to avoid three cruisers, that crossed her bows from starboard to port.

The abrupt change of course took the submarines by surprise and K1 and K4 collided. K1 had lost way due to salt-water, instead of fuel, coming through the sprayers and extinguishing the boilers. K3 passed close on the port side. K4, following K3, suddenly observed the red light of K1, and, although taking avoiding action, struck K1 a glancing blow abreast the conning tower. Water poured into the control room. Within minutes, chlorine gas was being released from the batteries. Blonde was signalled that K1 was sinking, and the cruiser closed, lowering two cutters. The rescue boats made five trips and transferred all 56 members of the crew to Blonde. A discussion was then held as to whether K1 could be saved, and it was decided to sink her.

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14 January 1918

Lost in North Sea (unknown cause)

In January 1918 G8 left for a patrol in the North Sea. She failed to return and it is believed she fell victim to a mine on or around 14th January.

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19 January 1918

Lost in North Sea (unknown cause)

H10 sailed from Harwich to patrol in the North Sea in January 1918. She did not return and it is believed that she struck a mine on 20th January.

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28 January 1918

Sunk by shore based guns in Dardanelles

On 20th January 1918 the German Destroyer Goeben had sunk two English vessels off the Dardanelles. The Goeben had been damaged by mines but managed to withdraw up the Dardanelles until she ran aground off Nagara Point. It was decided to make a concerted effort to sink her; over five days 270 aircraft sorties were flown and although 16 hits were scored the Goeben refused to sink.

On 27th January air reconnaissance reported that the destroyer was still aground and E14 was sent from Muldros to finish off the Goeben. Unfortunately, the Goeben had been moved that very afternoon and E14 had negotiated the treacherous straits for nothing.

On the journey back E14 fired a torpedo at a Turkish ship at 0845 on the morning of the 28th. Eleven seconds later an enormous explosion shook her; either a torpedo had detonated early or E14 had been depth charged. Whatever the cause, E14 was severely damaged, with water pouring in unchecked. The submarine was forced to surface where it was met with a barrage of gunfire. After half an hour it was clear that the best hope for survival was to beach her. While attempting to beach the submarine, she received a direct hit, E14 was now beyond hope and sank with the loss of 23 of her crew.

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