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{{Use dmy dates|date=March 2018}}
{{Use Indian English|date=March 2018}}
{{Infobox ship
|section1={{Infobox ship/image
|image=
|image_caption=
}}

|section2={{Infobox ship/career
|hide_header=
|country=India
|flag={{shipboxflag|British India|naval-1928}}
|name=''Bihar''
|ordered=14 October 1940
|awarded=
|builder=[[Garden Reach Shipbuilders & Engineers]]
|laid_down=7 June 1941
|launched=7 July 1942
|christened=
|acquired=
|commissioned=27 February 1944
|recommissioned=
|decommissioned=1949
|in_service=
|out_of_service=
|renamed=
|reclassified=
|refit=
|captured=
|struck=
|reinstated=
|fate=Scrapped 1949
|homeport=
}}

|section3={{Infobox ship/characteristics
|hide_header=
|header_caption=
|class={{sclass|Bangor|minesweeper}}
|displacement=*{{convert|673|LT|t|0|abbr=on}} standard
*{{convert|860|LT|t|0|abbr=on}} full
|length={{convert|189|ft|m|abbr=on}} [[Length overall|o/a]]
|beam={{convert|28|ft|6|in|m|abbr=on}}
|draught={{convert|10|ft|6|in|m|abbr=on}}
|depth=
|hold_depth=
|power=*{{convert|2400|ihp|abbr=on|lk=in}}
*2 × [[Admiralty 3-drum boiler]]s
|propulsion=*2 shafts
*2 [[Marine steam engine#Triple or multiple expansion|vertical triple-expansion steam engines]]
|speed={{convert|16|kn|lk=in}}
|range={{convert|2800|nmi|lk=in|abbr=on}} at {{convert|10|kn}}
|complement=60
|sensors=
|EW=
|armament=*1 × single QF 12-pounder (7.62 cm) [[anti-aircraft gun]]
*1 × single [[QF 2-pounder naval gun|QF 2-pounder (4 cm)]] AA gun or
*1 × quadruple [[Vickers .50 machine gun]]
}}
}}
'''HMIS ''Bihar'' (J247)''' was a {{sclass|Bangor|minesweeper}} built for the [[Royal Navy]]. It 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]]s were difficult to manufacture, the ships were designed to accept a wide variety of engines. ''Bihar'' displaced {{convert|673|LT|t}} at [[Displacement (ship)|standard]] load and {{convert|860|LT|t}} at [[deep load]]. The ship had an [[length overall|overall length]] of {{convert|189|ft|m|1}}, a [[beam (nautical)|beam]] of {{convert|28|ft|6|in|m|1}} and a [[draft (hull)|draught]] of {{convert|10|ft|6|in|m|1}}.<ref>Lenton, pp. 253–54</ref> The ship's complement consisted of 60 officers and [[naval rating|ratings]].<ref name=c1>Chesneau, p. 64</ref>

She was powered by two [[Marine steam engine#Triple or multiple expansion|vertical triple-expansion steam engines]] (VTE), each driving one shaft, using steam provided by two [[Admiralty three-drum boiler]]s. The engines produced a total of {{convert|2400|shp|lk=in}} and gave a maximum speed of {{convert|16|kn|lk=in}}. The ship carried a maximum of {{convert|160|LT|t|0}} of [[fuel oil]] that gave her a range of {{convert|2800|nmi|lk=in}} at {{convert|10|kn}}.<ref name=l3>Lenton, p. 254</ref>

The VTE-powered ''Bangor''s were armed with a QF 12-pounder (7.62 cm) [[anti-aircraft gun]] and a single [[QF 2-pounder naval gun|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 [[Oerlikon 20 mm cannon|20 mm Oerlikon]] AA gun, while most ships were fitted with four additional single Oerlikon mounts over the course of the war.<ref name=l3/> For escort work, their minesweeping gear could be exchanged for around 40 [[depth charge]]s.<ref name=c1/>

==Construction and career==
HMIS ''Bihar'' was ordered in 1940 and built at [[Garden Reach Shipbuilders & Engineers]] in [[Kolkata]], [[India]]. She was commissioned into the RIN in 1944. ''Bihar'' was a part of the [[Eastern Fleet]], and escorted numerous convoys between [[Africa]], [[British India]] and [[Australia]] in 1944-45.<ref name=nh-1944>{{cite web|url=http://www.naval-history.net/xDKWD-EF1944-11.htm |title=East Indies Fleet War Diary 1944 |publisher=Naval-history.net |date=1944-12-30 |access-date=2015-08-25}}</ref><ref name=nh-1945>{{cite web|url=http://www.naval-history.net/xDKWD-EF1945.htm |title=East Indies Fleet War Diary 1945 |publisher=Naval-history.net |access-date=2015-08-25}}</ref>

On 15 July 1944, the British merchant ship ''Tanda'' was torpedoed and sunk by {{GS|U-181}} in the [[Arabian Sea]] at position {{coord|13|22|N|74|09|E|display=inline}} northwest of [[Mangalore]]. HMIS ''Bihar'' with {{HMS|Monkshood|K207|6}} rescued 197 surviving crew of the ''Tanda''. She was scrapped in 1949.

==References==
{{Reflist}}

==Bibliography==
* {{cite book|title=Conway's All the World's Fighting Ships 1922–1946|editor1-last=Chesneau|editor1-first=Roger|publisher=Conway Maritime Press|location=Greenwich, UK|year=1980|isbn=0-85177-146-7}}
*{{Colledge: Ships RN|year=2006}}
*{{cite book|last=Lenton|first=H. T.|author-link=Henry Trevor Lenton|title=British & Empire Warships of the Second World War|publisher=Naval Institute Press|location=Annapolis, Maryland|year=1998|isbn=1-55750-048-7}}

{{Bangor class minesweeper}}

{{DEFAULTSORT:Bihar (J247)}}
[[Category:Bangor-class minesweepers of the Royal Indian Navy]]
[[Category:1942 ships]]
[[Category:British ships built in India]]
[[Category:World War II minesweepers of India]]

HMIS Bihar - Revision history

ToniaMirams219: put up new stub