S-51J Kai

[Edit] S-51J Kai Sikorsky H-5 Mk.1 No.327 S-51J改
Rotorcraft Effects: +2 +13 +3 +4 Combat Radius: 2 (Deployment Cost: 5) Scrap value: 2 3 6 (Unbuildable)
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
LBAS Plane

Introduction

時代はオートジャイロから、ヘリコプターへ。
あの時代に原型機が既に初飛行を実現、哨戒や連絡などを中心に実用化が始まっていた回転翼機、初期のヘリコプターです。
戦後、海上自衛隊にも導入された同機のif対潜哨戒型の艦載ヘリ、その強化改修型です。

The autogyro has now evolved into the helicopter.
This is an early helicopter, whose prototype had already flown, and had begun to be used for patrol and communication purposes.
This is a what-if version, obtained by the Maritime Self-Defense Force after the war, and further enhanced.

Mechanics

Rotorcraft are ASW Aircraft, being used to trigger some OASW and Land-based ASW attacks.

As they do not have any Dive Bombing stat, they do not participate to Phases 2 & 3 of Aerial Combat and are immune to shootdown. They:

• Will launch during aerial battle if other planes are launched, but cannot start an aerial battle on their own.
• Allow BBV, CAV, AV, and LHA to perform ASW attacks.
• CVL and Kaga Kai Ni Go equipped with them will still require a Dive Bomber or a Torpedo Bomber to attack submarines, as they are unable to attack anything without a bomber.
• AS, AR, and some CVB can equip them, but the former cannot attack SS, and the latter has a carrying capacity of 0 so they do not function.
• AO can equip them, but their attack animation will still be a depth charge animation.

Their LBAS Combat Radius cannot be extended.

Notes

How To Obtain

Upgradeable from: S-51J

Updates History

• 2019-03-27: Implemented
• 2020-08-27: Visible bonuses increased

Fit Bonuses

S-51J Kai Equipment Bonuses
Ship	Extra Requirement									Note
Kaga Kai Ni Go	-	+5			+6				+4
Hyuuga Kai Ni	-	+4			+5				+2
Ise Kai Ni	-	+2			+4				+1

Additional synergy with: TBM-3W+3S

Rotorcraft Type Equipment Bonuses
Ship	Extra Requirement									Note
Noshiro Kai Ni	(1st equipped)				+4				+1	One-time
Yahagi Kai Ni /B	(1st equipped)				+3				+1	One-time

Improvement

S-51J Kai
Improvement			Not Upgradable
★ Improvement Level	0~5	6~9
Consumed	9/10	12/20
Consumed	8/8	8/10
Equipment Consumed	x2	x2
Items Consumed	-
Resources	240 100 120 390

Ship Helper	Conversion
Hyuuga Kai Ni	-
Mon		Tue	Wed	Thu	Fri	Sat	Sun

Improvement effects
	1★	2★	3★	4★	5★	6★	7★	8★	9★	Max★
	0.3	0.6	0.9	1.2	1.5	1.8	2.1	2.4	2.7	3.0
Day?	1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
Night?	1.30	1.84	2.25	2.60	2.91	3.18	3.44	3.68	3.90	4.11

See Also

• Sikorsky H-5