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Kaiboukan No.4

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Info

Kaiboukan No.4 Card
Kaiboukan No.4 Damaged Card
437
Kaiboukan No.4 Banner
Kaiboukan No.4 Damaged Banner
第四号海防艦 (だいよんごう) Kaiboukan No.4
D Class Coastal Defense Ship

HP HP812FP Firepower3→15
ARM Armor4→15TORP Torpedo0
EVA Evasion39→79AA Anti-Air5→19
PLA Aircraft0ASW Anti-Submarine Warfare30→67
SPD SpeedSlowLOS Line of Sight2→11
RGE RangeShortLUK Luck18→76
AircraftEquipment
0Type 3 Depth Charge Launcher
-Locked-
-Locked-
-Locked-
ModernizationFirepower 0 Torpedo 0 Anti-Air 1 Armor 0
Build Time14 
ConsumptionFuel 10 Ammo 10DismantleFuel 1 Ammo 1 Steel 1 Bauxite 0
ArtistUnknownSeiyuuUnknown
Kaiboukan No.4 Kai Card
Kaiboukan No.4 Kai Damaged Card
437a
Kaiboukan No.4 Kai Banner
Kaiboukan No.4 Kai Damaged Banner
第四号海防艦 (だいよんごう) Kaiboukan No.4 Kai
D Class Coastal Defense Ship

HP HP1519FP Firepower4→28
ARM Armor5→29TORP Torpedo0
EVA Evasion→91AA Anti-Air11→40
PLA Aircraft0ASW Anti-Submarine Warfare32→76
SPD SpeedSlowLOS Line of Sight→20
RGE RangeShortLUK Luck20→80
AircraftEquipment
012cm Single High-Angle Gun Mount Model E
0-Unequipped-
-Locked-
-Locked-
ModernizationFirepower 1 Torpedo 0 Anti-Air 1 Armor 0
Remodel Level35Remodel ReqSteel 50 Ammo 70
ConsumptionFuel 10 Ammo 10DismantleFuel 1 Ammo 1 Steel 2 Bauxite 0
ArtistUnknownSeiyuuUnknown

Gameplay Notes

Special Mechanics

  • Able to perform OASW at 60ASW.
  • Provides luck, ASW or HP when used for modernization. Please see Modernization for more details.

Overview

  • Low firepower, HP and armour.
  • Good ASW.

Fit Bonuses

[edit]Kaiboukan No.4 Equipment Bonuses
Equipment Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine View Range Armor Evasion Note
Dual-purpose Gun12cm Single High-angle Gun Mount Model E12cm Single High-angle Gun Mount Model E +2 +1 +2
+ LOS Radar +2 +3
+ AA Radar +2 +3
Dual-purpose Gun12.7cm Single High-angle Gun Mount (Late Model)12.7cm Single High-angle Gun Mount (Late Model) (★7+) +1 +1
(★7+) + LOS Radar +1 +4
Dual-purpose Gun12.7cm Single High-angle Gun Mount Kai 212.7cm Single High-angle Gun Mount Kai 2 +1 +2
+ LOS Radar +1 +4
Dual-purpose Gun5inch Single Gun Mount Mk.30 Kai + GFCS Mk.375inch Single Gun Mount Mk.30 Kai + GFCS Mk.37 +1 +1

Analysis

Kaiboukan No.4 Kai

Priority: Low

Destroyer escorts, also known as kaiboukan, are cheap, mass-produced vessels focused on ASW, and that's what they should be used for.
However, they are a poor fit for surface combat, so make sure not to expose them to enemy surface ships too much.
Furthermore, they can be used for an unique kind of Modernization that can increase HP, ASW and Luck.
Refer to the corresponding page for details on that.


Kaiboukan No.4 (Yottsu) has the doubtful honor of being the least useful ship in the entire game, having the same consumption as other ships of the same type with one equipment slot less.
The reason her remodel isn't listed as Very Low is that with two slots she can actually do ASW work decently and therefore be deployed if one really insists to do so.
No further remodels have been implemented for her yet (as of November 2020).

Recommended Roles

  • ASW

* Bullying?

Voice Lines

Quotes

Event Japanese/English
Introduction
Play
I'm the 2nd of the Type-D coastal defense ships that were created under the Maru-Sen Plan, Kaiboukan No.4. Yeah, you can call me... "Yotsu" instead. Happy to work with you, Admiral.[1]
マル戦計画で生まれた、丁型海防艦、その二番艦、第四号海防艦です。そうねぇ、「よつ」…って呼んでくれていいよ。提督、よろしくね。
Introduction
Play
Born in Yokosuka, I'm the 2nd of the Type-D coastal defense ships, Kaiboukan No.4, or Yotsu. I'm feeling great today too! Admiral, let's work hard!
横須賀生まれの、丁型海防艦、その二番艦の、第四号海防艦、よつ。今日も元気です!提督、頑張ろう!
Library
Play
I'm the 2nd of the Type-D coastal defense ships that were created under the Maru-Sen Plan, Kaiboukan No.4.

I may be tiny, but I did my very best in Yokosuka's defense, at the Marianas, and at the Ogasawara islands!
Enemy submarines stand no chance. In the end, I worked hard at Ise Bay using this life Matsu saved.

マル戦計画で生まれた、丁型海防艦、その二番艦、第四号海防艦です。

ちっちゃいけれど、ものすごく頑張りました!横須賀の防備や、マリアナや、小笠原。
敵の潜水艦だって、負けません。最後は伊勢湾、松にもらった命頑張りました。

Secretary 1
Play
Yeees, did you call?
は〜い、よつ、呼んだ?
Secretary 2
Play
You have a job for me? You got it!
よつのお仕事?ヤルヤル!
Secretary 3
Play
Big sis Matsu, good work. Are you feeling a bit stiff? I'm good at giving back rubs. Eh? Admiral, you're feeling stiff too? Alright, then I'll rub your back next.
松の姉御、お疲れさまです。肩こってないですか?よつ、肩もみ上手なんですよ。えぇ?提督もこってるの?じゃあ、提督は、今度もんであげますね。
Idle
Play
Ah, big sis Matsu, I'll go get some youkan and tea. The Admiral's here too? Oh well. Then we'll just split it between us!
はぁ、松の姉御、よつ、羊羹とお茶持ってきますね。提督もいる?あ、そうか。じゃあ、よつのと、半ぶつです!
Secretary Married
Play
Ad-mi-ra-l, how are you doing? You good? No? Heh, then I'll give you a back rub! Rub-a-dub-dub! Howssat?
て・い・と・く、ど〜う?元気?そうでもない?ひん、じゃあ、よつが肩もんであげます!もみもみもみぃ〜。ど〜う?
Wedding
Play
Admiral, did you call me? If you didn't I'm leaving. Eh, you did? ...Is this for me? Whoaaa!
提督、よつ、呼んだ?間違いだったら戻るね。えぇ、間違いじゃない?…これ、くれるの?うひゃあぁ!
Looking At Scores
Play
You want information? Please wait.
情報ですね。お待ち下さい。
Joining A Fleet
Play
Type-D coastal defense ship, Yotsu, sortieing.
丁型海防艦、よつ、出撃します。
Equipment 1
Play
I'll equip this.
積みますね。
Equipment 2
Play
I see, I see.
うむ、うむ。
Equipment 3[2]
Play
I managed somehow.
なんとかなった。
Supply
Play
Yees, thank you.
は〜い、ありがとう。
Docking Minor
Play
I'm going for a quick repair.
ちょ〜こっと修理です。
Docking Major
Play
I need some biiiiig repairs.
ものすご〜く修理しないと。
Construction
Play
Yees, it's done.
は〜い、できました。
Returning From Sortie
Play
We managed to make it back.
なんとか戻ってこれました。
Starting A Sortie
Play
Yokosuka Naval Base Picket Coastal Defense Ship, Kaiboukan No.4, feeling great![3]
横須賀鎮守府警備海防艦、第四号海防艦、元気です!
Starting A Sortie
Play
The star of the Ise Bay Maritime Squadron Task Force, Yotsu, feeling great![4]
伊勢湾海上部隊、機動隊、その主力のよつ、元気です!
Battle Start
Play
Oh no, it's the enemy! Enemy sighted!
大変、敵だ!敵です!
Attack
Play
Stay awaaaaay!
こちくんな〜!
Air Battle/Daytime Spotting/Night Battle Attack
Play
Let's get them!
やつけろ〜!
Night Battle
Play
Are we going to run them down? For real?
深追いするの?本当に?
MVP
Play
Yeees, was I the best? Whoo!
は〜い、よつががんばちゃった?うひゃ!
MVP
Play
Yeees, was I the best? I really get a commendation!?
は〜い、よつががんばちゃった?感状!本当!
Minor Damage 1
Play
Whoaa!
わあぁ!
Minor Damage 2
Play
Ow, that hurts!
いたい、いたい!
Major Damage
Play
Argggh, that did it. Aaah, I have to get back to port...
がははぁ、くらった。うひゃぁ〜、港に戻らないと…
Sunk
Play
No way... is this... the end for me... It can't be... Big siiiis...
うっそ…よつ…ここで終わり…?うそだ…姉御ぉ〜…
  1. The Maru-Sen Plan was a planned expansion of the Imperial Japanese Navy, starting in April 1943.
  2. This line is shared with expedition selection, resource collection, instant repair and development.
  3. This was her first assignment.
  4. This was her final assignment.

Seasonal

Ship Japanese/English Notes
Autumn 2020
Play
Woohoo! I managed to get through summer! Now it's time for the Autumn Festival! It's the season for the Naval Base Autumn Festival! I'm really pumped for it!
うひゃぁー!よつ、夏を乗り切った!これからは、秋祭り!鎮守府秋祭りの季節!よつ、元気出る出る!
Christmas 2020
Play
I really, really love this "Christmas"! The cake is delicious. Ah, big sis Matsu! Try some of thiiiis~! Wheee!
よつ、このクリスマスって、好き好き!ケーキ、美味しい。あぁ、松の姉御!これ、食べてくださいぃ〜!うわぁ!
Setsubun 2021
Play
Demons begone! Fortune welcome! Who is our oni? Huh? The submarines? This will be a breeze. Here I gooo~!
鬼は、外!福は、内!ヨツ達の、鬼は、誰?えぇ?潜水艦?ヨツ得意、得意!よーし!行くぞ〜!

CG

Regular
Seasonal

Drop Locations

Trivia