HMS E12 was a British E class submarine

British E class submarine

The British E class submarines started out as improved versions of the British D class submarine. All of the first group and some of the second group were completed before the outbreak of World War I....

 built by HM Dockyard, Chatham

Chatham Dockyard

Chatham Dockyard, located on the River Medway and of which two-thirds is in Gillingham and one third in Chatham, Kent, England, came into existence at the time when, following the Reformation, relations with the Catholic countries of Europe had worsened, leading to a requirement for additional...

. She was laid down on 16 December 1912 and was commissioned on 14 October 1914. She cost £101,900.

Service history

HMS E12 became trapped in anti submarine nets in the Dardanelles

Dardanelles

The Dardanelles , formerly known as the Hellespont, is a narrow strait in northwestern Turkey connecting the Aegean Sea to the Sea of Marmara. It is one of the Turkish Straits, along with its counterpart the Bosphorus. It is located at approximately...

. Her forward hydroplanes became entangled which sent her down to 245 feet. At the time, it was the greatest depth achieved by any British submarine

Submarine

A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

. E12 managed to surface only to come under fire by shore batteries. She avoided further damage.

HMS E12 was sold in Malta

Malta

Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

on 7 March 1921.