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| {{Use dmy dates|date=June 2022}}
| | #REDIRECT [[Torpedo Advanced Light Shyena]] |
| {{Use Indian English|date=January 2022}}
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| {{infobox weapon
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| | name = Shyena
| | {{R from move}} |
| | image = Shyena.png
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| | image_size = 300
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| | caption = Advanced Light Torpedo Shyena
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| | type = Lightweight [[torpedo]]
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| <!-- Type selection -->| is_vehicle =
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| | service =
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| | wars = <!-- General specifications -->
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| | spec_label =
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| | length = {{convert|2.75|m|ft|abbr=on}}
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| | diameter = {{convert|324|mm|in|abbr=on}}
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| <!-- Explosive specifications -->| origin = [[India]]
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| | is_ranged = yes
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| | is_bladed =
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| | is_explosive = yes
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| | is_artillery =
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| | is_missile = yes
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| | is_UK =
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| | used_by = See ''[[Advanced Light Torpedo Shyena#Operators|Operators]]''
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| | designer = [[Naval Science and Technological Laboratory]]<ref name="timesofindia.indiatimes.com" /><!--only appropriate for individuals, not for project leaders or a company or corporation-->
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| | manufacturer = [[Bharat Dynamics Limited]] <br />[[Larsen & Toubro Limited]]
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| | production_date = March 2012 – present
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| | no. built = 2,000+
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| | weight = {{convert|220|kg|lb|abbr=on}}
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| | filling = [[High explosive]]
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| | filling_weight = {{convert|50|kg|lb|abbr=on}}
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| | detonation =
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| | yield = <!-- Vehicle/missile specifications -->
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| | engine = Electric
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| | engine_power =
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| | pw_ratio =
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| | transmission =
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| | payload_capacity =
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| | suspension =
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| | clearance =
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| | fuel_capacity =
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| | vehicle_range = {{convert|19|km|nmi|abbr=on}}<ref>{{cite news | url =https://affairscloud.com/india-successfully-conducts-maiden-flight-trial-of-indigenous-torpedo-shyena/ | website = Affairs Cloud | title = India successfully conducts maiden flight trial indigenous torpedo 'Shyean' | access-date =23 July 2021 | url-status=live}}</ref>
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| | speed = {{convert|33|kn|abbr=on|lk=on|1}}
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| | guidance = [[Acoustic homing]] (active/passive)
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| | steering = <!-- Missiles only -->
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| | depth = {{convert|540|m|ft|abbr=on}}
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| | launch_platform = Ships, submarines, helicopters and [[Ilyushin Il-38]]
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| }} | | }} |
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| The '''Advanced Light Torpedo (TAL) Shyena''' ([[Sanskrit]]: श्येन, "Falcon or Hawk"<ref>{{Cite web|title=Wiktionary|url=https://en.wiktionary.org/wiki/%E0%A4%B6%E0%A5%8D%E0%A4%AF%E0%A5%87%E0%A4%A8|url-status=live|website=[[Wiktionary]]|archive-url=https://web.archive.org/web/20210126151010/https://en.wiktionary.org/wiki/%E0%A4%B6%E0%A5%8D%E0%A4%AF%E0%A5%87%E0%A4%A8 |archive-date=26 January 2021 }}</ref>) is the first indigenous advanced lightweight [[anti-submarine]] [[torpedo]] of [[India]], developed by the [[Naval Science and Technological Laboratory]] (NSTL) of the [[Defence Research and Development Organisation]] (DRDO) for the [[Indian Navy]]. The lightweight torpedo can be launched by ships, submarines, helicopters and [[Ilyushin Il-38]], named after the divine hawk identified with [[Agni]].<ref name="rakshak">{{Cite web|url=http://www.bharat-rakshak.com/MONITOR/ISSUE3-4/joseph.html |title=Modern Torpedoes And Countermeasures |access-date=2012-02-20 |publisher=BHARAT RAKSHAK MONITOR Volume 3(4) |date=January–February 2001 |author=Austin Joseph |url-status=dead |archive-url=https://web.archive.org/web/20120222222226/http://www.bharat-rakshak.com/MONITOR/ISSUE3-4/joseph.html |archive-date=2012-02-22 }}</ref><ref name=spsnf>{{cite web|title=Indian Navy to receive Indigenous Light Torpedo SHYENA |url=http://www.spsnavalforces.net/exclusive/?id=18&h=Indian-Navy-to-receive-Indigenous-Light-Torpedo-SHYENA |archive-url=https://archive.today/20130222040521/http://www.spsnavalforces.net/exclusive/?id=18&h=Indian-Navy-to-receive-Indigenous-Light-Torpedo-SHYENA |url-status=dead |archive-date=22 February 2013 |publisher=SPS Naval Forces |access-date=13 January 2013 }}</ref><ref>{{cite news | url =https://www.drdo.gov.in/torpedo-advanced-light-tal | title =Torpedo Advanced Light (TAL) | website =DRDO | location = New Delhi| access-date =23 July 2021 | url-status =live}}</ref>
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| ==Introduction==
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| Shyena is a processor based torpedo which incorporates solid-state electronics, digital technology and has been equipped with an integrated Active/Passive sensor package for [[Homing torpedo|homing]]. It is designed to be capable of being launched from both a helicopter or from a triple-tube launcher on surface vessels. Its key design feature are maneuverability and ability to transition from warm to cold medium to ensure a hunt and kill.<ref name="rakshak" /><ref name=spsnf /> The development period of the torpedo was quite long, starting in the 1990s, and was inducted into the Indian Navy on 3 March 2012, when the [[Minister of Defence (India)|Defence Minister]] [[A. K. Antony|A.K. Antony]] handed over the first consignment of TAL to the Navy in [[Hyderabad]].<ref name=spsnf />
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| == Design and development==
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| Development of this missile was started by the [[Naval Science and Technological Laboratory]] (NSTL) in 1990s, under the Advanced Experimental Torpedo (TAE) program.<ref name=spsnf /><ref name="express">{{Cite web|url=http://www.expressindia.com/news/ie/daily/19970604/15550553.html |archive-url=https://archive.today/20130122144303/http://www.expressindia.com/news/ie/daily/19970604/15550553.html |url-status=dead |archive-date=2013-01-22 |title=Indian Navy's own torpedo 'Shyena' ready for trials |access-date=2012-02-20 |work=The Indian Express|year=1997 |author=Vishwanath Hiremathpune }}</ref> It is an advanced capability torpedo and is heavily based on the Whitehead [[A244-S]] torpedo.<ref name="rakshak"/> NSTL had faced a difficult task of developing a torpedo which could sustain its efficiency, in particular the maneuverability and structural integrity while travelling from the air medium to water after being launched from air. The computers perform their respective tasks, which are the successful launch of the torpedo, the homing of the target and its control and finally the recording of the data for analysis.<ref name="rakshak"/>
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| Shyena is electrically propelled, and can target submarines with a speed of 33 [[Knot (unit)|knots]] with endurance of six minutes in both shallow and deep waters. It can operate at depths of a few hundred metres and has self-homing, i.e. it can home in on targets by passive/active homing and explode on impact. Once launched, it can perform pre-programmed search patterns for available targets. The torpedo weighs around 220 kg.<ref name=spsnf />
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| ==Deployment==
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| By 1998, ''Shyena'' was ready for trials, and it was tested 24 times by the NSTL from 1998 to 2000. During trials, thrust was laid on monitoring of various factors through four computers fitted on board Shyena.<ref name="express" /> User evaluation tests with designed and engineered models of the TAL took place in 2003–2005, following which the Navy was convinced of the system's capabilities, and the fact that 95 per cent of the components were indigenous except a few integrated circuits and sensors, and ordered 25 units, and is likely to order more. The TAL is currently being manufactured by [[Bharat Dynamics Limited]] at its Visakhapatnam unit.<ref name=spsnf /><ref>{{cite news|author=T. S. Subramanian |url=http://www.thehindu.com/sci-tech/technology/torpedo-akash-missile-to-be-handed-over-to-navy-and-iaf-on-saturday/article2951593.ece |title=Torpedo, Akash missile to be handed over to Navy and IAF on Saturday |work=The Hindu|date=2012-03-02 |access-date=2013-04-05}}</ref>
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| On 8 March 2021, Indian Navy successfully cleared its maiden flight trial with a parachute system from the [[Ilyushin Il-38]] maritime aircraft.<ref>{{cite news|url=https://www.thehindu.com/news/national/andhra-pradesh/lightweight-torpedo-test-fired-successfully/article34022882.ece|title=Lightweight torpedo test-fired successfully|work=TheHindu|date=9 March 2021|last1=Bhattacharjee|first1=Sumit}}</ref>
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| ==Export==
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| In March 2017, India signed a $37.9 million deal to supply ''Shyena'' to the [[Myanmar Navy]].<ref name="timesofindia.indiatimes.com" /><ref>{{Cite news|url=https://thediplomat.com/2017/03/india-to-supply-torpedoes-to-myanmar/|title=India to Supply Torpedoes to Myanmar|last=Diplomat|first=Prashanth Parameswaran, The|work=The Diplomat|access-date=2017-04-29|language=en-US}}</ref> The first batch of these torpedoes were delivered in July 2019.<ref name="TDMN">{{cite web|first1=Ankit|last1=Panda|access-date=2020-04-21|title=India Delivers Initial Batch of Indigenously Built Torpedoes to Myanmar Navy|url=https://thediplomat.com/2019/07/india-delivers-initial-batch-of-indigenously-built-torpedoes-to-myanmar-navy/|website=[[The Diplomat]]|date=16 July 2022}}</ref>
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| BDL signed a third and fourth export contract for the ''Shyena'' torpedo in 2019 to an undisclosed friendly country. The value of the contract is {{INRConvert|455.27|c|lk=on|year=2022}} and {{INRConvert|1.43|c|year=2021}} respectively. The order is planned to be executed in 2020–21.<ref>{{cite web|url=https://bdl-india.in/sites/default/files/2020-09/BDL%20AR%2019-20.pdf|title=Annual Report 2019-20 BDL|publisher=BDL India|access-date=11 October 2022}}</ref>
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| ==Operators==
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| <!--READ FIRST: This section is for cited entries only. Please do not add entries into this list without a citation from a reliable source. All entries without a citation will be removed. Thank you.-->
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| [[File:Shyena advance light torpedo operators.png|thumb|300px|Map of Shyena torpedo operators in blue]]
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| ;{{IND}}
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| *[[Indian Navy]]<ref>https://sidm.in/assets/pdf/publications/1582713845_Enhancing_Indias_export.pdf {{Bare URL PDF|date=March 2022}}</ref>
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| ;{{MMR}}
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| *[[Myanmar Navy]]<ref name="timesofindia.indiatimes.com">{{cite news | url=https://timesofindia.indiatimes.com/india/india-steps-up-supply-of-military-equipment-to-myanmar-to-counter-china/articleshow/57815200.cms | title=India steps up supply of military equipment to Myanmar to counter China | first=Rajat | last=Pandit | date=24 March 2017 | newspaper=The Times of India | access-date=19 January 2020 }}</ref><ref name="TDMN"/>
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| == Coverage==
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| In his book "''Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft, and Systems''", [[Eric Wertheim]] has described the Shyena as an up-and-coming torpedo developed by the DRDO.<ref name="Wertheim2007">{{cite book|author=Eric Wertheim|title=Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft, and Systems|url=https://books.google.com/books?id=TJunjRvplU4C&pg=PA288|date=March 2007|publisher=Naval Institute Press|isbn=978-1-59114-955-2|page=288}}</ref>
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| ''Pursuit and Promotion of Science'', a report published by [[Indian National Science Academy]] mentions Shyena as an advanced experimental torpedo.<ref>{{citation |chapter-url=http://www.iisc.ernet.in/insa/ch31.pdf |chapter=31 Defence Research and Development Organisation |title=Pursuit and Promotion of Science : The Indian Experience|page=4 |publisher=[[Indian National Science Academy]] |oclc=52079109}}</ref>
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| ==See also==
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| * [[APR-3E torpedo]] - Russian equivalent
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| * [[A244-S]] - Italian equivalent
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| * [[Mark 54 Lightweight Torpedo]] - US Navy's equivalent
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| * [[MU90 Impact]] - French/Italian equivalent
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| * [[Sting Ray (torpedo)]] - British equivalent
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| * [[Yu-7 torpedo]] - Chinese equivalent
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| * [[Chung Sang Eo|K745 Chung Sang Eo]] - South Korean equivalent
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| * [[Type 97 light weight torpedo (G-RX4)]] - Japanese equivalent
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| ==References==
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| {{reflist}}
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| {{Defence Research and Development Organisation (DRDO)}}
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| {{Indian missiles}}
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| [[Category:Torpedoes]]
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| [[Category:Weapons of India|Navy]]
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| [[Category:Indian Navy]]
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| [[Category:Aerial torpedoes]]
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| [[Category:Military equipment introduced in the 2010s]]
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