Category:Sonars

"SOund Navigation And Ranging", SONARs. By observing sound waves underwater, they can detect anomalies like other ships, including submarines. They function either "actively", through producing sound and observing the echoes produced; or "passively", by picking up whatever sounds are produced natively. In the game, the active/passive distinction is only meaningful for Saury fishing.

ASW Damage Synergy

Small Small Sonars

Type 93 Passive Sonar

Type 4 Passive Sonar

Type 3 Active Sonar

Type 3 Active Sonar Kai

Type124 ASDIC

Type144/147 ASDIC

HF/DF + Type144/147 ASDIC

Large Large Sonars

Type 0 Passive Sonar

DCP Depth Charge Projectors (DCP)

Type 94 Depth Charge Projector

Type 3 Depth Charge Projector

Type 3 Depth Charge Projector (Concentrated Deployment)

Prototype 15cm 9-tube ASW Rocket Launcher

RUR-4A Weapon Alpha Kai

AP

Mk.32 ASW Torpedo (Mk.2 Thrower)

AP

DCR Depth Charge (Racks) (DCR)

Type 95 Depth Charge

AP

Type 2 Depth Charge

AP

Lightweight ASW Torpedo (Initial Test Model)

AP

Hedgehog (Initial Model)

AP

Type 2 Depth Charge Kai Ni

AP

Other ASW Mortars

Type 2 12cm Mortar Kai

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]

+
(Any Sonar + Any Depth Charge)

1.15

[math]\displaystyle{ {Mod}_\text{2} }[/math]

DCP + DCR and NO Small

1.1

Small + DCP + DCR

1.25

Examples

[math]\displaystyle{ \text{Mod}_\text{synergy} }[/math]

Small + DCP + DCR

Large + DCP + DCR

Armor Penetration

Indepentant of synergies, some equipment provides additional armor penetration to ASW attacks.

The affected equipment are:
- DCR: Type 95 DC, Type 2 DC, Lightweight ASW Torpedo, Hedgehog, Type 2 DC K2
- DCP: RUR-4A Weapon Alpha Kai, Mk.32 ASW Torpedo (Mk.2 Thrower).

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 stat of the applicable equipment,
- Visible Bonuses and Improvements are not counted here.
[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.

Sonars	Small Small Sonars	Large Large Sonars
Passive	Type 93 Passive Sonar, Type 4 Passive Sonar	Type 0 Passive Sonar
Active	Type 3 Active Sonar, Type 3 Active Sonar Kai, Type124 ASDIC, Type144/147 ASDIC, HF/DF + Type144/147 ASDIC

Equipment Equipability
Type	FBB	BB	BBV	CV	CVB	CVL	CA	CAV	CL	CLT	CT	DD	DE	SS	SSV	AV	AS	AO	AR	LHA
Small	~	~	~		~	~			X	X	X	X	X	X	X	~		/		~
Large	X	/	X	X	X	/	X	X	~			~				/	X	~		X
X = All ; / = Most ; ~ = Some

Subcategories

This category has the following 2 subcategories, out of 2 total.

L

► Large Sonars‎ (1 P)

S

► Small Sonars‎ (7 P)

Pages in category "Sonars"

The following 8 pages are in this category, out of 8 total.

H

HF/DF + Type144/147 ASDIC