HMS Imogen

The ship was ordered on 30 October 1935 from Hawthorn Leslie at Hebburn under the 1935 Naval Programme. She was laid down on 18 January 1936, launched on 30 December 1936, and completed on 2 June 1937, at a contract price of £256,917, excluding items supplied by Admiralty such as armaments and communications equipment.

The I-class ships were improved versions of the preceding H-class. They displaced 1370 LT at standard load and 1888 LT at deep load. The ships had an overall length of 323 ft, a beam of 33 ft and a draught of 12 ft. They were powered by two Parsons geared steam turbines, each driving one propeller shaft, using steam provided by three Admiralty three-drum boilers. The turbines developed a total of 34000 shp and were intended to give a maximum speed of 35.5 kn. The ships carried enough fuel oil to give them a range of 5500 nmi at 15 kn. Their crew numbered 145 officers and ratings. The ships mounted four 4.7-inch (120 mm) Mark IX guns in single mounts, designated 'A', 'B', 'X' and 'Y' from…