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Type 3 Active Sonar Kai

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No.438 三式水中探信儀改
Sonar.png Small Sonar
Effects: Armor+1 ASW+11 Accuracy+2 Evasion+1
Scrap value: Steel 2 Bauxite 4 (Unbuildable)

Equipment Card Type 3 Active Sonar Kai.png

Equipment Character Type 3 Active Sonar Kai.png

Equipment Item Type 3 Active Sonar Kai.png

Equipment Full Type 3 Active Sonar Kai.png

Refittable Ship Types
Fast Battleship Battleship
Aviation Battleship Standard Aircraft Carrier
Armored Carrier Light Carrier
Heavy Cruiser Aviation Cruiser
Light Cruiser Torpedo Cruiser
Training Cruiser Destroyer
Coastal Defense Ship Submarine
Aircraft Carrying Submarine Seaplane Tender
Fleet Oiler Submarine Tender
Repair Ship Amphibious Assault Ship

Introduction

改修型の対潜兵装です。
日本海軍装備の主力アクティブソナーを改良調整、対潜戦闘の戦訓を取り入れて改修した三式水中探信儀の改良型です。
日本海軍の駆逐艦を中心として、いくつかの艦でより高い運用性を発揮します。

This is an improved piece of anti-submarine equipment.
It is an upgraded version of the main active sonar used by the Imperial Japanese Navy. The Type 3 Active Sonar has been improved by incorporating lessons learned in combat.
It has increased performance on several ships, particularly on destroyers of the Imperial Japanese Navy.

Mechanics

SONAR Sonars are the main equipment used for ASW, being required to trigger most OASW, and greatly enhancing ASW Damage Synergy. Their main stat is "ASW" Anti-Submarine Warfare.

ASW Damage Synergy
Small SONARSmall Small Sonars
Equipment Card Type 93 Passive Sonar.png
Type 93 Passive Sonar
Equipment Card Type 4 Passive Sonar.png
Type 4 Passive Sonar
Equipment Card Type 3 Active Sonar.png
Type 3 Active Sonar
Equipment Card Type 3 Active Sonar Kai.png
Type 3 Active Sonar Kai
Equipment Card Type124 ASDIC.png
Type124 ASDIC
Equipment Card Type144 147 ASDIC.png
Type144/147 ASDIC
Equipment Card HF DF + Type144 147 ASDIC.png
HF/DF + Type144/147 ASDIC
Large SONARLarge Large Sonars
Equipment Card Type 0 Passive Sonar.png
Type 0 Passive Sonar
Depth Charge ProjectorDCP Depth Charge Projectors (DCP)
Equipment Card Type 94 Depth Charge Projector.png
Type 94 Depth Charge Projector
Equipment Card Type 3 Depth Charge Projector.png
Type 3 Depth Charge Projector
Equipment Card Type 3 Depth Charge Projector (Concentrated Deployment).png
Type 3 Depth Charge Projector (Concentrated Deployment)
Equipment Card Prototype 15cm 9-tube ASW Rocket Launcher.png
Prototype 15cm 9-tube ASW Rocket Launcher
Equipment Card RUR-4A Weapon Alpha Kai.png
RUR-4A Weapon Alpha Kai
AP
Equipment Card Mk.32 ASW Torpedo (Mk.2 Thrower).png
Mk.32 ASW Torpedo (Mk.2 Thrower)
AP
Depth Charge RacksDCR Depth Charge (Racks) (DCR)
Equipment Card Type 95 Depth Charge.png
Type 95 Depth Charge
AP
Equipment Card Type 2 Depth Charge.png
Type 2 Depth Charge
AP
Equipment Card Lightweight ASW Torpedo (Initial Test Model).png
Lightweight ASW Torpedo (Initial Test Model)
AP
Equipment Card Hedgehog (Initial Model).png
Hedgehog (Initial Model)
AP
Equipment Card Type 2 Depth Charge Kai 2.png
Type 2 Depth Charge Kai Ni
AP
ASW MortarOther ASW Mortars
Equipment Card Type 2 12cm Mortar Kai.png
Type 2 12cm Mortar Kai
Equipment Card Type 2 12cm Mortar Kai (Concentrated Deployment).png
Type 2 12cm Mortar Kai (Concentrated Deployment)
ASW Damage Modifiers: [math]\displaystyle{ \text{Mod}_\text{synergy} = {Mod}_\text{1} \times {Mod}_\text{2} }[/math]
[math]\displaystyle{ {Mod}_\text{1} }[/math] SONAR + Depth Charges
(Any Sonar + Any Depth Charge)
1.15
[math]\displaystyle{ {Mod}_\text{2} }[/math] Depth Charge ProjectorDCP + Depth Charge RacksDCR and NO Small SONARSmall 1.1
Small SONARSmall + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.25
Examples
[math]\displaystyle{ \text{Mod}_\text{synergy} }[/math] Small SONARSmall + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.4375[math]\displaystyle{ 1.15 \times 1.25 }[/math]
Large SONARLarge + Depth Charge ProjectorDCP + Depth Charge RacksDCR 1.265[math]\displaystyle{ 1.15 \times 1.1 }[/math]
Armor Penetration
Indepentant of synergies, some equipment provides additional armor penetration to ASW attacks.

The flat armor penetration value is calculated as follows:

[math]\displaystyle{ \text{Pen} = \sum\limits_{\text{Equipment}} \Big( \sqrt{\text{ASW}_\text{Equipment} - 2} + \text{Mod}_\text{ship} \Big) }[/math]
With
  • [math]\displaystyle{ \text{ASW}_\text{Equipment} }[/math] the base ASW Anti-Submarine Warfare stat of the applicable equipment,
  • [math]\displaystyle{ \text{Mod}_\text{ship} }[/math] being 1 for DE, 0 otherwise,
Note
  • Armor penetration from equipment stacks,
  • The final armor of the targetted submarine cannot go below 1.

Notes

How To Obtain

From quest: B172, F103

From limited-time quest: 2304 B2 (★+1, choice)

Ranking reward for:

  • Nov 2022: 1-5 (★+9), 6-20 (★+7), 21-100 (★+5)

Updates History

  • 2021-09-28: Implemented

Fit Bonuses

Type 3 Active Sonar Kai Equipment Bonuses
Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Accuracy Evasion Note
Kamikaze KaiKamikaze Kai
Harukaze KaiHarukaze Kai
Shigure Kai Ni/SanShigure Kai Ni
Shigure Kai San

Yamakaze Kai Ni /DYamakaze Kai Ni
Yamakaze Kai Ni D
- +1 +3 +2
(1st equipped) (★0-3) +2 +2 One-time
(1st equipped) (★4-5) +3 +2 One-time
(1st equipped) (★6-7) +3 +3 One-time
(1st equipped) (★8-9) +4 +3 One-time
(1st equipped) (★MAX) +4 +4 One-time
Asashimo Kai NiAsashimo Kai Ni - +1 +3 +2
(1st equipped) (★0-3) +1 +1 One-time
(1st equipped) (★4-5) +2 +1 One-time
(1st equipped) (★6-7) +2 +2 One-time
(1st equipped) (★8-9) +3 +2 One-time
(1st equipped) (★MAX) +3 +3 One-time
Kamikaze BaseKamikaze
Harukaze BaseHarukaze
Shigure Base/KaiShigure
Shigure Kai

Yamakaze Base/KaiYamakaze
Yamakaze Kai
- +1 +3 +2
(1st equipped) +2 +2 One-time
Maikaze (any)Maikaze
Maikaze Kai
- +1 +3 +2
(1st equipped) +2 +1 One-time
Asashimo Base/KaiAsashimo
Asashimo Kai
- +1 +3 +2
(1st equipped) +1 +1 One-time
Ushio (any)Ushio
Ushio Kai
Ushio Kai Ni

Ikazuchi (any)Ikazuchi
Ikazuchi Kai

Yamagumo (any)Yamagumo
Yamagumo Kai

Isokaze (any)Isokaze
Isokaze Kai
Isokaze B Kai

Hamakaze (any)Hamakaze
Hamakaze Kai
Hamakaze B Kai
- +2 +2
(1st equipped) +2 +1 One-time
Kishinami (any)Kishinami
Kishinami Kai
- +2 +2
(1st equipped) +1 +1 One-time
Katori-classKatori
Kashima
(1st equipped) +2 +3 One-time[1]
Umikaze (any)Umikaze
Umikaze Kai
Umikaze Kai Ni

Kawakaze (any)Kawakaze
Kawakaze Kai
Kawakaze Kai Ni

Suzukaze (any)Suzukaze
Suzukaze Kai
(1st equipped) +2 +1 One-time
Other Kamikaze-classAsakaze
Matsukaze
Hatakaze

Mutsuki-classMutsukiKisaragi
YayoiUzuki
SatsukiMinazuki
FumizukiNagatsuki
KikuzukiMikazuki
Mochizuki

Fubuki-classFubuki
Shirayuki
Hatsuyuki
Miyuki
Murakumo
Usugumo
Shirakumo
Isonami
Uranami

Other Ayanami-classAyanami
Shikinami
Amagiri
Sagiri
Oboro
Akebono
Sazanami

Other Akatsuki-classAkatsuki
Hibiki
Inazuma

Hatsuharu-classHatsuharu
Nenohi
Wakaba
Hatsushimo
Ariake
Yuugure

Other Shiratsuyu-classShiratsuyu
Murasame
Yuudachi
Harusame
Samidare

Other Asashio-classAsashio
Ooshio
Michishio
Arashio
Asagumo
Natsugumo
Minegumo
Arare
Kasumi

Other Kagerou-classKagerouShiranui
KuroshioOyashio
HayashioHatsukaze
YukikazeAmatsukaze
TokitsukazeUrakaze
TanikazeNowaki
ArashiHagikaze
Akigumo

Other Yuugumo-classYuugumoMakigumo
KazagumoNaganami
MakinamiTakanami
TamanamiSuzunami
FujinamiHayanami
HamanamiOkinami
HayashimoAkishimo
Kiyoshimo

Akizuki-classAkizuki
Teruzuki
Suzutsuki
Hatsuzuki
Fuyutsuki

Matsu-classMatsu
Take
Ume
Momo

Shimakaze (any)Shimakaze
Shimakaze Kai

Isuzu Kai NiIsuzu Kai Ni
Yura Kai NiYura Kai Ni
Naka Kai NiNaka Kai Ni
Ishigaki (any)Ishigaki
Ishigaki Kai

Mikura (any)Mikura
Mikura Kai
(1st equipped) +1 +1 One-time

Improvement

Sonar.png Type 3 Active Sonar Kai

Improvement Not
Upgradable
★ Improvement
Level
0~5 6~9
Development material Consumed 6/8 8/12
Improvement material Consumed 4/5 6/7
Equipment
Consumed
Equipment Card Type 3 Active Sonar.png Equipment Card Type 3 Active Sonar.pngx2
Items
Consumed
-
Resources Fuel20 Ammunition0 Steel70 Bauxite60
Ship Helper Conversion
Ship Banner Yamakaze Kai Ni.png
Yamakaze Kai Ni/D
-
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Shigure.png
Shigure/Kai
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Shigure Kai Ni.png
Shigure Kai Ni
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Shigure Kai San.png
Shigure Kai San
Mon Tue Wed Thu Fri Sat Sun
Improvement Improved effects
SONAR 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 0.75 1.06 1.29 1.50 1.67 1.83 1.98 2.12 2.25 2.37
Anti-Submarine Warfare 0.67 0.94 1.15 1.33 1.49 1.63 1.76 1.89 2.00 2.11
Accuracy ASW 1.30 1.83 2.25 2.60 2.90 3.18 3.43 3.67 3.90 4.11
Evasion Torpedo 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74

See Also