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Shiden Kai 4

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Shiden Kai 4

No.271 紫電改四

Fighter Carrier-Based Fighter Aircraft

Effects: Armor+1 Evasion+3 Anti-Air+10 Accuracy+1

Combat Radius: 4

Scrap Value: Fuel2 Ammunition4 Bauxite8

Equipment Card Shiden Kai 4.png

Equipment Character Shiden Kai 4.png

Equipment Item Shiden Kai 4.png

Equipment Full Shiden Kai 4.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


※ 本土防空の切り札、局地戦闘機「紫電改」の艦載機型、その改良型です。

※ This is an improved model of the carrier-based version of the interceptor aircraft "Shiden Kai", our trump card when it comes to our country's air defence.
It is an upgraded version that improved upon the Shiden Kai's engine, featured excellent dogfighting capabilities due to high-horsepower engines and the use of flaps,
and was developed to fill in the spot that was reserved for its successor, the main fighter aircraft "Reppū", as its deployment got delayed.


How To Obtain

Upgradeable from Shiden Kai 2Shiden Kai 2

Event reward for:

Ranking reward for:

  • Sep 2019: 1-5 (★+4), 6-20 (★+4), 21-100 (★+2), 101-500 (★+1)
  • Jul 2021: 21-100 (★+2), 101-500 (★+1)

Updates History

  • 2017-11-19: Implemented
  • 2021-09-28: Became improvable, visible bonuses added

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Suzuya Carrier Kai NiSuzuya Carrier Kai Ni
Kumano Carrier Kai NiKumano Carrier Kai Ni
Ryuuhou Kai Ni (E)Ryuuhou Kai Ni
Ryuuhou Kai Ni E
(★4-5) +1
(★6-7) +1 +2
(★8-9) +1 +2 +2
(★MAX) +2 +2 +2

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
Fighter Shiden Kai 4 0 130 180 0 370 8/10 5/6 2xGreenPlane.png X X X Kumano Carrier Kai NiKumano Carrier Kai Ni
6 13/18 7/10 2xGreenPlane.png
10 - - -

See Also