[1] For surface running, the boats were powered by a single 16-cylinder 600-brake-horsepower (447 kW) Vickers petrol engine that drove one propeller shaft.

On the surface, the C class had a range of 910 nautical miles (1,690 km; 1,050 mi) at 12 knots (22 km/h; 14 mph).

They could carry a pair of reload torpedoes, but generally did not as they would have to remove an equal weight of fuel in compensation.

Section of the Royal Navy's Signals School, Portsmouth into an unmanned remotely operated D.C.B.

The boat was the only C class submarine not to be scrapped at the end of World War I, instead she was used for trials and sold on 28 February 1922.