British E-class submarines had fuel capacities of 50 long tons (51 t) of diesel and ranges of 3,255 miles (5,238 km; 2,829 nmi) when travelling at 10 knots (19 km/h; 12 mph).
[5] Later in her career, her new captain, Lieutenant Commander Geoffrey Saxton White was posthumously awarded the Victoria Cross for his actions in the Dardanelles.
With the ex-Goeben crippled after the Battle of Imbros, E14 was dispatched to finish off the Turkish battlecruiser when repeated air attacks failed to destroy her.
Rising to periscope depth, the submarine was unable to find its main target as Goeben had sailed away two days earlier.
E14 was forced to surface due to the effect of the premature explosion and the fire of the Ottoman ships, was badly damaged and dived.
The submarine, which hit the seabed at a depth of 150 ft (46 m), tried to exit the Bosphorus underwater, barely controllable.
[8][7][9] In June 2012, after a three-year search, Turkish marine engineer Selçuk Kolay and filmmaker Savas Karakas discovered the wreck of E14 in 20 m of water about 250 m off Kum Kale.