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Type124 ASDIC

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Type124 ASDIC

No.260 Type124 ASDIC


Effects: Evasion+1 Accuracy+2 Anti-Submarine+11

Scrap Value: Steel1 Bauxite4

Equipment Card Type124 ASDIC.png

Equipment Character Type124 ASDIC.png

Equipment Item Type124 ASDIC.png

Equipment Full Type124 ASDIC.png

Refittable Class
Coastal Defense ShipDestroyer
Light CruiserTorpedo Cruiser
Heavy CruiserAviation Cruiser
BattleshipAviation Battleship
Fast BattleshipLight Carrier
Standard CarrierArmored Carrier
Seaplane TenderSubmarine Tender
SubmarineSubmarine Carrier
Repair ShipTraining Cruiser
Fleet OilerAmphibious Assault Ship


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.


ASW Damage Synergy
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
SONARLarge Large Sonars
Equipment Card Type 0 Passive Sonar.png
Type 0 Passive Sonar
Depth ChargesDCP 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
Equipment Card Mk.32 ASW Torpedo (Mk.2 Thrower).png
Mk.32 ASW Torpedo (Mk.2 Thrower)
Depth ChargesDCR Depth Charge (Racks) (DCR)
Equipment Card Type 95 Depth Charge.png
Type 95 Depth Charge
Equipment Card Type 2 Depth Charge.png
Type 2 Depth Charge
Equipment Card Lightweight ASW Torpedo (Initial Test Model).png
Lightweight ASW Torpedo (Initial Test Model)
Equipment Card Hedgehog (Initial Model).png
Hedgehog (Initial Model)
Depth ChargesOther 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
SONAR + Depth Charges 1.15x
Depth ChargesDCP + Depth ChargesDCR 1.1x
SONARLarge + Depth ChargesDCP + Depth ChargesDCR 1.265xSONARLarge + Depth Charges = 1.15x
Depth ChargesDCP + Depth ChargesDCR = 1.1x

1.15 * 1.1(1 + 0.1) = 1.265x
SONARSmall + Depth ChargesDCP + Depth ChargesDCR 1.4375xSONARSmall + Depth ChargesDCP / Depth ChargesOther = 1.15x
SONARSmall + Depth ChargesDCR = 1.15x
Depth ChargesDCP + Depth ChargesDCR = 1.1x

1.15 * 1.25(1 + 0.1 + 0.15) = 1.4375
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,
  • Armor penetration from equipment stacks,
  • The final armor of the targetted submarine cannot go below 1.

How To Obtain

Stock equipment of Jervis KaiJervis Kai

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

Event reward for:

Choice from 2020 Xmas present (★+3)

Ranking reward for:

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

Updates History

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

Akashi's Improvement Arsenal

Type Name Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
SONAR Type124 ASDIC 0 10 0 50 110 5/7 4/5 1xSonar.png Je
Upgrades to Type144/147 ASDICType144/147 ASDIC.
6 ? ? ?
10 ? ? ?

See Also