Events

1910

C 35 (I 65)

Completed

1910

C 36 (I 66)

Completed

1915

E 53

Laid Down

1915

E 54

Laid Down

1916

E 41

Completed

1916

W 3

Completed

1917

WWI

German 'unrestricted' submarine warfare begins.

1917

E 48

Completed

1917

K 2

Completed

1917

K 6

Completed

1917

K 7

Completed

1917

K 11

Completed

1918

E 50

Mined and sunk in the North sea

1942

Thunderbolt (N 25)

HMS Thunderbolt torpedoes and sinks the Italian merchant Absirtea about 6 nautical miles off Cape Dukato, Greece.

1943

Turbulent (N 98)

HMS Turbulent torpedoes and sinks the Italian merchant Pozzuoli off Cape San Vito, Sicily, Italy.

1943

Una (N 87)

HMS Una damages two sailing vessels with gunfire in the Gulf of Hammamet, Tunisia. Una had to break off the attack due to gunfire from shore batteries

1943

Subtle (P 251)

Laid Down

1945

Spark (P 236)

HMS Spark sinks a Japanese coaster and a barge that this coaster is towing and a Japanese tug with gunfire in the western part of the Java Sea. Also another coaster is forced ashore on Panjang Island.

1945

Tantalus (P 318)

HMS Tantalus sinks a Japanese tug and three barges in the southern part of the South China Sea.

1953

Sirdar (P 226)

Sirdar was swamped by floods while in dry dock at the naval dockyard at Sheerness, Kent, and later sank.

1954

Sidon (P 259)

Transferred to 5th Submarine Squadron pending refit.

1962

Otus (S 18)

Laid Down