Changes

==Introduction==

==Introduction==

対潜兵装です。<br>

対潜兵装です。<br>いわゆるパッシブソナーです。性能は残念ながら、あまり良くはありません。<br>でも、あるとないとでは大違い！対潜作戦のお供に、ぜひどうぞ！

いわゆるパッシブソナーです。性能は残念ながら、あまり良くはありません。<br>

でも、あるとないとでは大違い！対潜作戦のお供に、ぜひどうぞ！

''An anti-submarine weapon, also known as the passive SONAR. It may not perform its job well, but it's better than nothing. Please use it for anti-submarine operations!''

''An anti-submarine weapon, also known as the passive SONAR. It may not perform its job well, but it's better than nothing.<br>Please use it for anti-submarine operations!''

==Notes==

==Notes==

{{Template:Equipment/ASW_Synergy}}

{{Template:Equipment/ASW_Synergy}}

<div class="mw-collapsible"><h3>How To Obtain</h3>

===How To Obtain===

<div class="mw-collapsible-content">

'''Buildable'''

'''Buildable'''

'''Stock equipment''' of {{Ship/Link|Asashimo}}, {{Ship/Link|Fukae Kai}}, {{Ship/Link|Hatakaze Kai}}, {{Ship/Link|Hayanami Kai}}, {{Ship/Link|Hiburi Kai}}, {{Ship/Link|Hirato Kai}}, {{Ship/Link|Katori Kai}}, {{Ship/Link|Kishinami Kai}}, {{Ship/Link|Matsukaze Kai}}, {{Ship/Link|Nowaki Kai}}, {{Ship/Link|Shikinami Kai Ni}}, {{Ship/Link|Shimakaze Kai}}, {{Ship/Link|Tanikaze Kai}}, {{Ship/Link|Tsushima Kai}}, {{Ship/Link|Umikaze Kai Ni}} (★+5), {{Ship/Link|Urakaze D Kai}}, {{Ship/Link|Urakaze Kai}}, {{Ship/Link|Yamakaze Kai}}, {{Ship/Link|Yukikaze Kai}}

'''Stock equipment''' of {{Ship/Link|Asashimo}}, {{Ship/Link|Fukae Kai}}, {{Ship/Link|Hatakaze Kai}}, {{Ship/Link|Hayanami Kai}}, {{Ship/Link|Hiburi Kai}}, {{Ship/Link|Hirato Kai}}, {{Ship/Link|Katori Kai}}, {{Ship/Link|Kishinami Kai}}, {{Ship/Link|Matsukaze Kai}}, {{Ship/Link|Nowaki Kai}}, {{Ship/Link|Shikinami Kai Ni}}, {{Ship/Link|Shimakaze Kai}}, {{Ship/Link|Tanikaze Kai}}, {{Ship/Link|Tsushima Kai}}, {{Ship/Link|Umikaze Kai Ni}} (★+5), {{Ship/Link|Urakaze D Kai}}, {{Ship/Link|Urakaze Kai}}, {{Ship/Link|Yamakaze Kai}}, {{Ship/Link|Yukikaze Kai}}

'''From quests: '''[[Quests#B42|B42]], [[Quests#B45|B45]], [[Quests#D42|D42]] (x3, choice), [[Quests#D43|D43]] (x2, choice)

'''From quests:''' [[Quests#B42|B42]], [[Quests#B45|B45]], [[Quests#D42|D42]] (x3, choice), [[Quests#D43|D43]] (x2, choice)

''From limited-time quests: ''[[Quests/Seasonal#SB03|SB03]]

''From limited-time quests:'' [[Quests/Seasonal#SB03|SB03]]

''Event reward for:''

''Event reward for:''

* [[Fall 2021 Event]] E-2: Casual (★+4)

* [[Fall 2021 Event]] E-2: Casual (★+4)

===Uses===

 

<div class="mw-collapsible"><h3>Uses</h3>

<div class="mw-collapsible-content">

'''Used to improve''' {{Equipment/Link|Type 93 Passive Sonar}}, {{Equipment/Link|Type 4 Passive Sonar}}

'''Used to improve''' {{Equipment/Link|Type 93 Passive Sonar}}, {{Equipment/Link|Type 4 Passive Sonar}}

'''Used by quests: '''[[Quests#F50|F50]], [[Quests#F98|F98]], [[Quests#F99|F99]], [[Quests#F103|F103]]

'''Used by quests:''' [[Quests#F50|F50]], [[Quests#F98|F98]], [[Quests#F99|F99]], [[Quests#F103|F103]]

 

 

<div class="mw-collapsible><h3>Updates History</h3>

===Updates History===

<div class="mw-collapsible-content>

* '''2013-05-08: Implemented'''

* '''2013-05-08:''' '''Implemented'''

* '''2013-11-01: Stats increased: {{ASW}}+4 {{Hit}}+0 → {{ASW}}+6 {{Hit}}+1'''

* '''2013-11-01:''' '''Stats increased:'''  '''{{ASW}}+4 {{Hit}}+0 → {{ASW}}+6 {{Hit}}+1 '''

* '''2014-02-26:''' [[Damage Calculations#Anti-Submarine Warfare|Depth charge synergy]] added

* '''2014-02-26:''' [[Damage Calculations#Anti-Submarine Warfare|Depth charge synergy]] added

* '''2015-01-09:''' Became '''improvable''' and '''upgradeable''' to {{Equipment/Link|Type 3 Active Sonar}}

* '''2015-01-09:''' Became '''improvable''' and '''upgradeable''' to {{Equipment/Link|Type 3 Active Sonar}}

* '''2017-02-28:''' Build rate increased

* '''2017-02-28:''' Build rate increased

* '''2021-03-01:''' Visible bonuses added for {{Ship/Link|Katori|Kashima|text=Katori-class}}

* '''2021-03-01:''' Visible bonuses added for {{Ship/Link|Katori|Kashima|text=Katori-class}}

==Fit Bonuses==

==Fit Bonuses==