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Type124 ASDIC

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No.260 Type124 ASDIC
Sonar.png Small Sonar
Effects: ASW+11 Accuracy+2 Evasion+1
Scrap value: Steel 1 Bauxite 4 (Unbuildable)

Equipment Card Type124 ASDIC.png

Equipment Character Type124 ASDIC.png

Equipment Item Type124 ASDIC.png

Equipment Full Type124 ASDIC.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

早くから潜水艦との闘いを経験した紅茶の国の研究チーム、Anti-Submarine Detection Investigation Committeeで開発された対潜探知システムです。
「ASDIC」と呼ばれた同システム群は進化を重ね、今日のアクティブソナーへと発展していきます。
124型は大戦初期から運用されていた駆逐艦に搭載されました。

An anti-submarine detection system developed by the research team, Anti-Submarine Detection Investigation Committee, from the country of tea that had early experience fighting submarines.
The system called "ASDIC" would evolve into modern active sonar.
The Type 124 was mounted on destroyers at the start of the Great War.

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

Stock equipment of: Jervis KaiJervis Kai

From limited-time quest: 21Su LB3 (x2, choice), SB25 (choice)

Ranking reward for:

  • Aug 2017: 1-5, 6-20, 21-100, 101-500

Event reward for:

Choice from 2020 Xmas present (★+3)

Updates History

  • 2017-09-28: Implemented as ranking reward
  • 2022-08-04: Became improvable and upgradeable to Type144/147 ASDICType144/147 ASDIC

Improvement

Sonar.png Type124 ASDIC

Improvement Conversion
★ Improvement
Level
0~5 6~9
Equipment Card Type144 147 ASDIC.png
Type144/147 ASDIC
Development material Consumed 5/7 6/8 14/19
Improvement material Consumed 4/5 5/6 7/10
Equipment
Consumed
Equipment Card Type 3 Active Sonar.png Equipment Card Type 3 Active Sonar.pngx2 Equipment Card Type 13 Air Radar.pngx3
Items
Consumed
- Item Icon New Model Armament Material.png Item Icon Medal.png
Resources Fuel10 Ammunition0 Steel50 Bauxite110
Ship Helper Conversion
Ship Banner Jervis.png
Jervis/Kai
Equipment Card Type144 147 ASDIC.png
Type144/147 ASDIC
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Janus.png
Janus/Kai
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