HMIS ''Kathiawar'' (J155) was a built for the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

, but transferred to the Royal Indian Navy (RIN) during the Second World War.

Design and description

The ''Bangor'' class was designed as a small minesweeper that could be easily built in large numbers by civilian shipyards; as

steam turbine A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbin ...

s were difficult to manufacture, the ships were designed to accept a wide variety of engines. ''Kathiawar'' displaced at standard load and at

deep load The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by the ship, then converting that value into wei ...

. The ship had an

overall length The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or "COL", is important to safe functioning of reloads in ...

of , a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of and a draught of .Lenton, pp. 253–54 The ship's complement consisted of 60 officers and ratings.Chesneau, p. 64 She was powered by two

Parsons Parsons may refer to: Places In the United States: * Parsons, Kansas, a city * Parsons, Missouri, an unincorporated community * Parsons, Tennessee, a city * Parsons, West Virginia, a town * Camp Parsons, a Boy Scout camp in the state of Washingto ...

geared steam turbines, each driving one shaft, using steam provided by two

Admiralty three-drum boiler Three-drum boilers are a class of water-tube boiler used to generate steam, typically to power ships. They are compact and of high evaporative power, factors that encourage this use. Other boiler designs may be more efficient, although bulkier, an ...

s. The engines produced a total of and gave a maximum speed of . ''Kathiawar'' carried a maximum of of

fuel oil Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil, marine fuel oil (MFO), bun ...

that gave her a range of at .Lenton, p. 254 The turbine-powered ''Bangor''s were armed with a 12-pounder

anti-aircraft gun Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, ...

and a single QF 2-pounder (4 cm) AA gun. In some ships the 2-pounder was replaced a single or twin

20 mm Oerlikon The Oerlikon 20 mm cannon is a series of autocannons, based on an original German Becker Type M2 20 mm cannon design that appeared very early in World War I. It was widely produced by Oerlikon Contraves and others, with various models emplo ...

AA gun, while most ships were fitted with four additional single Oerlikon mounts over the course of the war. For escort work, her minesweeping gear could be exchanged for around 40

depth charge A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive Shock factor, hydraulic shock. Most depth ...

Construction and career

HMIS ''Kathiawar'' was originally ordered from the

Blyth Shipbuilding Company The Blyth Shipbuilding & Dry Docks Company Ltd. was a British shipyard located in Blyth, Northumberland, England. Company history Early history Shipbuilding began on the site on the south bank of the River Blyth in 1811. In the 1840s the ya ...

for the

as ''HMS Hartlepool'' in 1939. However, before she was launched, she was transferred to the Royal Indian Navy and eventually commissioned as ''Kathiawar''. ''Kathiawar'' was a part of the

Eastern Fleet Eastern may refer to: Transportation *China Eastern Airlines, a current Chinese airline based in Shanghai * Eastern Air, former name of Zambia Skyways *Eastern Air Lines, a defunct American airline that operated from 1926 to 1991 *Eastern Air L ...

, and escorted numerous convoys between

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

British India The provinces of India, earlier presidencies of British India and still earlier, presidency towns, were the administrative divisions of British governance on the Indian subcontinent. Collectively, they have been called British India. In one ...

and

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

in 1943-45. After the

Independence of India The Indian independence movement was a series of historic events with the ultimate aim of ending British Raj, British rule in India. It lasted from 1857 to 1947. The first nationalistic revolutionary movement for Indian independence emerged ...

and the subsequent

Partition Partition may refer to: Computing Hardware * Disk partitioning, the division of a hard disk drive * Memory partition, a subdivision of a computer's memory, usually for use by a single job Software * Partition (database), the division of a ...

, she was among the vessels transferred to Pakistan, where she was renamed PNS ''

Chittagong Chittagong ( /ˈtʃɪt əˌɡɒŋ/ ''chit-uh-gong''; ctg, চিটাং; bn, চিটাগং), officially Chattogram ( bn, চট্টগ্রাম), is the second-largest city in Bangladesh after Dhaka and third largest city in B ...

''.

References

Bibliography

* * * {{DEFAULTSORT:Kathiawar (J155) Bangor-class minesweepers of the Royal Indian Navy 1942 ships Ships built on the River Blyth World War II minesweepers of India Bangor-class minesweepers of the Pakistan Navy