Special Type 4 Amphibious Tank Kai

[Edit] Special Type 4 Amphibious Tank Kai Type 4 Ka-Tsu Mk.1 No.526 特四式内火艇改
Special Amphibious Tank Effects: +3 +2 +1 Provides bonuses against installations Affects various resources mechanics Scrap value: 3 4 4 7 (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

Introduction

日本海軍が開発した水陸両用戦闘車両「特四式内火艇」、その改良型です。
問題の空冷ディーゼルエンジンを換装、無限軌道及び水上航行機動性も向上、主兵装の魚雷の他に対艦対空用に噴進砲及び装填用次弾などを搭載。
艦そして部隊間の通信機能も強化した特四式改、カツ改で幻の「竜巻作戦」を！
暁の敵環礁泊地に、第六艦隊の凱歌を！

This is an improved version of the "Special Type 4 Amphibious Tank" amphibious combat vehicle, developed by the Japanese Navy.
The problematic air-cooled diesel engine has been replaced, tracks and water navigation mobility have been improved, and in addition to the main armament, torpedoes, it is equipped with rockets for anti-ship and anti-aircraft use, as well as ammunitions for reloading.
Enhanced with improved communication capabilities between ships and units, the Special Type 4 Kai will carry out the surprise attack "Operation Tasumaki"!
Let the Sixth Fleet's victory song echo in the enemy's atoll anchorage at dawn!

Mechanics

Amphibious Vehicles behave similarly to Landing Craft. They:

• Deal great damage to installation, being an essential component of the "nuke" (see Anti-Installation).
• Increase expedition resources gain.
• Greatly increase Resource Nodes resources gain.
• Slightly increase TP gauge drain during Transport Operations.
• Allow Submarines to participate in the shelling phase against Installations, by launching the tank in battle.

Can be equipped in the RE of I-36, I-47 Kai, and I-58 Kai.

Special Mechanic

Ka-Tsu Animation
Ka-Tsu:
Ka-Tsu Kai:

Uniquely on "Atoll Nodes", it is possible to deploy the Ka-Tsu tanks
to trigger a special Opening Torpedo Salvo.

• On those nodes, regular oTorp will not work,
• This can only be deployed by SS, SSV, and the AV Mikuma Kai Ni Toku, Nisshin A, and Mizuho Kai fast,
  • They must carry at least one Ka-Tsu tank,
• On the "atoll node", ships meeting those requirements will carry out a special opening torpedo attack,
• In night battle, those ships will additionally trigger the same attack as a cutin,
  • This attack overrides regular Night Cut-ins attacks (e.g. if a ship is setuped for a TCI, it will still trigger the Ka-Tsu attack).
• Using several Ka-Tsu tanks on a same ship will make it carry out several of those attacks in a row (day and night),
  • It capped at 2 attacks per ship at night.
  • This attack utilizes a new special animation, with the tank climbing the atoll's soil.

Notes

This equipment is often referred to by its official Japanese name "Ka-Tsu".

Not to be confused with other "Landing Equipment/Tanks" (see here).

How To Obtain

Event reward for:

• Early Spring 2024 Event
  • E-1: Hard (★+1)
  • E-2: Hard (★+2), Easy (★+1)

Updates History

• 2024-03-01: Implemented

Fit Bonuses

Special Type 4 Amphibious Tank Kai Equipment Bonuses
Ship	Extra Requirement									Note
All SS All SSV	(★0)	+2	+3					+1	-1
	(★1)	+2	+4					+1	-1
	(★2)	+3	+4					+1	-1
	(★3)	+3	+4					+2	-1
	(★4-5)	+3	+5					+2	-1
	(★6-7)	+3	+5					+3	-1
	(★8-9)	+4	+5					+3	-1
	(★MAX)	+4	+6					+3	-1
I-36 (any) I-41 (any)	(1st equipped)	+2	+1					+2		One-time

Improvement

Improvement effects
		1★	2★	3★	4★	5★	6★	7★	8★	9★	Max★
		1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
		1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
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
Anti-Installation Bonuses	A1	1 + (Average /30)
	C	1 + (Average /30)
Expedition Bonus		1 + (Average /100)
Has some observed bonus on some special Resource Nodes gains

See Also

Type 4 Ka-Tsu