The
Bangor class was designed as a small minesweeper that could be easily built in large numbers by civilian shipyards; as
steam turbines were difficult to manufacture, the ships were designed to accept a wide variety of engines.
Deccan displaced at
standard load and at
deep load. The ship had an
overall length of , a
beam of and a
draught of . The ship's complement consisted of 60 officers and
ratings. She was powered by two
vertical triple-expansion steam engines (VTE), each driving one shaft, using steam provided by two
Admiralty three-drum boilers. The engines produced a total of and gave a maximum speed of . The ship carried a maximum of of
fuel oil that gave her a range of at . The VTE-powered
Bangors were armed with a QF 12-pounder (7.62 cm)
anti-aircraft gun and a single
QF 2-pounder (4 cm) AA gun or a quadruple mount for the
Vickers .50 machine gun. In some ships the 2-pounder was replaced a single or twin
20 mm Oerlikon AA gun, while most ships were fitted with four additional single Oerlikon mounts over the course of the war. For escort work, their minesweeping gear could be exchanged for around 40
depth charges. ==Construction and career==