Kaiboukan No.4

Info

第四号海防艦 (だいよんごうかいぼうかん)		Kaiboukan No.4
437
Type D Kaiboukan Coastal Defense Ship

HP	8→11	FP	3→15
ARM	4→15	TORP	0
EVA	39→79	AA	5→19
PLA	0	ASW	30→67
SPD	Slow	LOS	2→11
RGE	Short	LUK	18→76

Aircraft	Equipment
0	Type 3 Depth Charge Projector
	-Locked-
	-Locked-
	-Locked-

Modernization	0 0 1 0
Build Time	0:14 (Unbuildable)	Remodel Req
Consumption	10 10	Dismantle	1 1 1 0
Illustrator	Hozuka	Seiyuu	Fujita Saki

	()		1701-701
218x300px 218x300px	??	File:Ship Banner 1701-701.png File:Ship Banner 1701-701 Damaged.png
	?? ??

	HP	??	FP	??→??
	ARM	??→??	TORP	??→??
	EVA	??→??	AA	??→??
	PLA	0	ASW	??→??
	SPD	??	LOS	??→??
	RGE	??	LUK	??→??

Aircraft	Equipment
	-Locked-
	-Locked-
	-Locked-
	-Locked-

Modernization	0 0 0 0
Build Time	?? (Unbuildable)	Remodel Req
Consumption		Dismantle	0 0 0 0
Illustrator	Unknown	Seiyuu	Unknown

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.

Equipment Compatibility

Default DE equipment compatibility

Fit Bonuses

[edit]Kaiboukan No.4 Equipment Bonuses
Equipment	Extra Requirement								Note
Passive Radiolocator (E27) + Type 22 Surface Radar Kai 4 (Calibrated Late Model)	(1st equipped) (★0-6)				+1		+1	+1	One-time
	(1st equipped) (★7)				+1		+2	+1	One-time
	(1st equipped) (★8)				+1		+2	+2	One-time
	(1st equipped) (★9)	+1			+1		+2	+2	One-time
	(1st equipped) (★MAX)	+1			+1		+3	+2	One-time
	+ ★3+ 12.7cm Twin Gun Mount Model D Kai 2 OR ★3+ 12.7cm Twin Gun Mount Model D Kai 3	+1					+1		One-time
	+ ★3+ 12.7cm Twin Gun Mount Model D Kai 2 OR ★3+ 12.7cm Twin Gun Mount Model D Kai 3 + ★4+ Type 13 Air Radar Kai (Late Model)	+1	+4				+1	+3	One-time
Type 2 Depth Charge Kai 2	-			+1				+1
Ship-Type Bonuses
12.7cm Twin Gun Mount Model C Kai 3 H	+ Air Radar		+2					+2	One-time
	(2nd equipped) + Air Radar		+2						One-time
	(3rd equipped) + Air Radar		+2						One-time
12.7cm Single High-angle Gun Mount (Late Model)	(★7-MAX)	+1	+1
12.7cm Single High-angle Gun Mount (Late Model)	(★7-MAX) + Surface Radar	+1						+4	One-time
5inch Single Gun Mount Mk.30 Kai + GFCS Mk.37	-		+1					+1
12.7cm Single High-angle Gun Mount Kai 2	-	+1	+2
12.7cm Single High-angle Gun Mount Kai 2	+ Surface Radar	+1						+4	One-time
12cm Single High-angle Gun Mount Model E OR 12cm Single High-angle Gun Mount Model E Kai	-		+2	+1				+2
	+ Surface Radar	+2						+3	One-time
	+ Air Radar		+2					+3	One-time
12cm Single High-angle Gun Mount Model E Kai	(★1)		+1
	(★2-3)		+1					+2
	(★4-5)	+1	+1					+2
	(★6-7)	+1	+2					+2
	(★8-9)	+1	+2				+1	+2
	(★MAX)	+1	+3				+1	+2
Type 13 Air Radar Kai (Late Model)	-		+1			+1		+2
Type 2 Depth Charge	(★8-9)			+1
Type 2 Depth Charge	(★MAX)			+2
Hedgehog (Initial Model)	(1st equipped)			+2				+1	One-time
Mk.32 ASW Torpedo (Mk.2 Thrower)	-							+1
Type 3 Depth Charge Projector Kai	(★0-5)						+1
	(★6-7)						+1	+1
	(★8-9)			+1			+1	+1
	(★MAX)			+1			+2	+1
2cm Flakvierling 38	(★4-6)		+1					+1
	(★7-9)	+1	+2					+1
	(★MAX)	+1	+3					+2
	(★4-MAX) + Air Radar		+1						One-time
3.7cm FlaK M42	(★6-7)		+1					+1
	(★8-9)	+1	+1					+1
	(★MAX)	+1	+1				+1	+2
	(★6-MAX) + Air Radar		+2						One-time
25mm Anti-aircraft Autocannon Mount & Machine Guns	-	+1	+1					+1

Drop Locations

Ship	Rarity	Type	No.	World 1						World 2					World 3					World 7					World 4					World 5					World 6					Remarks
Ship	Rarity	Type	No.	1	2	3	4	5	6	1	2	3	4	5	1	2	3	4	5	1	2	3	4	5	1	2	3	4	5	1	2	3	4	5	1	2	3	4	5	Remarks
Kaiboukan No.4	Rare	DE	437																																					Unbuildable

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]
Introduction Play	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!
Introduction Play	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.
Library Play	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?
Secretary 1 Play	は〜い、よつ、呼んだ？
Secretary 2 Play	You have a job for me? You got it!
Secretary 2 Play	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.
Secretary 3 Play	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!
Idle Play	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?
Secretary Married Play	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!
Wedding Play	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.
Looking At Scores Play	情報ですね。お待ち下さい。
Joining A Fleet Play	Type-D coastal defense ship, Yotsu, sortieing.
Joining A Fleet Play	丁型海防艦、よつ、出撃します。
Equipment 1 Play	I'll equip this.
Equipment 1 Play	積みますね。
Equipment 2 Play	I see, I see.
Equipment 2 Play	うむ、うむ。
Equipment 3^[2] Play	I managed somehow.
Equipment 3^[2] Play	なんとかなった。
Supply Play	Yees, thank you.
Supply Play	は〜い、ありがとう。
Docking Minor Play	I'm going for a quick repair.
Docking Minor Play	ちょ〜こっと修理です。
Docking Major Play	I need some biiiiig repairs.
Docking Major Play	ものすご〜く修理しないと。
Construction Play	Yees, it's done.
Construction Play	は〜い、できました。
Returning From Sortie Play	We managed to make it back.
Returning From Sortie Play	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]
Starting A Sortie Play	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]
Starting A Sortie Play	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!
Battle Start Play	大変、敵だ！敵です！
Attack Play	Stay awaaaaay!
Attack Play	こちくんな〜！
Air Battle/Daytime Spotting/Night Battle Attack Play	Let's get them!
Air Battle/Daytime Spotting/Night Battle Attack Play	やつけろ〜！
Night Battle Play	Are we going to run them down? For real?
Night Battle Play	深追いするの？本当に？
MVP Play	Yeees, was I the best? Whoo!
MVP Play	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!?
MVP Play	は〜い、よつががんばちゃった？感状！本当！
Minor Damage 1 Play	Whoaa!
Minor Damage 1 Play	わあぁ！
Minor Damage 2 Play	Ow, that hurts!
Minor Damage 2 Play	いたい、いたい！
Major Damage Play	Argggh, that did it. Aaah, I have to get back to port...
Major Damage Play	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...
Sunk Play	うっそ…よつ…ここで終わり…？うそだ…姉御ぉ〜…

↑ The Maru-Sen Plan was a planned expansion of the Imperial Japanese Navy, starting in April 1943.
↑ This line is shared with expedition selection, resource collection, instant repair and development.
↑ This was her first assignment.
↑ 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!
Autumn 2020 Play	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!
Christmas 2020 Play	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~!
Setsubun 2021 Play	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〜！
Valentine's Day 2021 Play	Admiral, big sis Matsu, this is for you. Chocolate from me. It's lobster-flavoured. Just kidding.
Valentine's Day 2021 Play	提督、松の姉御、これ、あげます。ヨツのチョコレート。一世を風靡です。いざです。
White Day2021 Play	Wahooo! I got some return gifts from the Admiral and big sis Matsu! Matsu, I'm going to eat the Admiral's gift. nom It's yummy! This is yummy!
White Day2021 Play	うひゃあぁ〜！提督と、松の姉御が、ヨツにお返ししてくれた！まず、提督の食べよ。はむ。美味しい！これ、美味しい！
8th Anniversary Play	It's the 8th Anniversary? Let me congratulate you too.
8th Anniversary Play	八周年ですか？ヨツもお祝い申し上げます。
Rainy Season 2021 Play	It's really coming down. I wonder if the rain will stop soon... I know! Teruteru bouzu. Yotsu will make lots and lots! Yahoo!
Rainy Season 2021 Play	ジメジメ降ります。早く雨上がらないかなー…そうか！てるてる坊主。ヨツもいっぱい作ります！うひゃあ！
Summer 2021 Play	You know, when it gets hot... I don't really feel like doing anything. flop flop I'm just going to take a nap here.
Summer 2021 Play	なんか、熱くなると…ヨツ、やる気なくなるんだよね〜。ふにゃふにゃ〜、ここで休んちゃうもんね〜。
Saury 2021 Play	Saury fishing? I know the coastal waters around here very, very well. We'll bring lots of lights to gather the fish. We don't... need depth charges?
Saury 2021 Play	サンマ漁ですね？この辺の近海は、ヨツ大得意です。魚を集める光はいっぱい入りますね。爆雷は…いらない？
9th Anniversary Play	Uhya! Ninth~anni~versary! Yottsu, wishes everyone, the best!
9th Anniversary Play	うひゃ！九～周～年！ヨッツも、一杯、お祝い、申し上げます！
Summer 2022 Play	Ngh, I don't really like this season... Urgh...
Summer 2022 Play	ん～、この季節は…ヨッツ、ちょっと元気ない……むぅ～

CG

Regular
Base Base Damaged

Seasonal
Christmas 2020 Christmas 2020 Damaged Hinamatsuri 2021 Hinamatsuri 2021 Damaged Summer 2021 Summer 2021 Damaged Halloween 2021 Halloween 2021 Damaged Saury 2021 Saury 2021 Damaged New Year 2022 New Year 2022

Trivia

General Information

Her nickname is Yotsu.
She was launched on the 30th December 1943.
Sunk by Royal Navy aircraft at Toba, 28 July 1945. Salvaged and scrapped on 30 June 1948.

Update History

She was added on the 26th June 2020 as Summer 2020 Event E4 drop.

Kaiboukan No.4

Contents

Info

Gameplay Notes

Special Mechanics

Equipment Compatibility

Fit Bonuses

Drop Locations

Voice Lines

Quotes

Seasonal

CG

Trivia

See Also