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Zuiun (634 Air Group/Skilled)

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Auspicious Clouds (634 Air Group)
No.237 瑞雲(六三四空/熟練)
Seaplane.png Seaplane Bomber
Effects: Bombing+9 AA+4 ASW+6 Accuracy+1 Evasion+1 LoS+7
Combat Radius: 5 (Deployment Cost: Bauxite 7)
Scrap value: Fuel 2 Ammo 3 Bauxite 5 (Unbuildable)

Equipment Card Zuiun (634 Air Group Skilled).png

Equipment Character Zuiun (634 Air Group Skilled).png

Equipment Item Zuiun (634 Air Group Skilled).png

Equipment Full Zuiun (634 Air Group Skilled).png

Refittable Class
Coastal Defense Ship Destroyer
Light Cruiser Torpedo Cruiser
Heavy Cruiser Training Cruiser
Aviation Cruiser Fast Battleship
Battleship Aviation Battleship
Light Carrier Standard Aircraft Carrier
Armored Carrier Seaplane Tender
Submarine Aircraft Carrying Submarine
Submarine Tender Fleet Oiler
Repair Ship Amphibious Assault Ship



A highly efficient multi-purpose "Zuiun" reconnaissance seaplane that is also capable of dive bombing.
This is a "Zuiun" air force that was assembled for surface fleet operations with ships like aviation battleships such as Ise or Hyūga, and that was part of the veteran Air Group 634.
While it did not actually get to operate from aviation battleships in the end, now is your chance to deploy this elite Zuiun group.


Seaplane Seaplanes (sometimes "Multi-Role Seaplanes"), are the main aircraft type used by non-carrier ships (mainly battleships, cruisers, and auxiliaries).

Seaplane BomberBomber Seaplane Bombers additionally act like Dive Bombers, taking part in the same air phases and sharing the same damage formulas. Additionally, they:

Zuiun Model Seaplane Bomber Zuiuns are additionaly required for the Ise-class Kai NiIse Kai Ni
Hyuuga Kai Ni
to perform special Zuiun cut-in attack (see Artillery Spotting for more details).

This plane has strong Anti-Air Resistance.

  • 0.6 Ship AA Modifier
  • 0.7 Fleet AA Modifier


Not to be confused with other aircraft of this family (see here).

How To Obtain

Upgradeable from: Zuiun Model 12 (634 Air Group)Zuiun Model 12 (634 Air Group)

From quest: F58

Exchange reward from Saury 2022 (up to 2)

Ranking reward for:

  • Jun 2017: 1-5
  • Mar 2018: 1-5

Updates History

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Ise-class Kai NiIse Kai Ni
Hyuuga Kai Ni
+4 +2
Ise-class KaiIse Kai
Hyuuga Kai
+3 +1
Fusou-class Kai NiFusou Kai Ni
Yamashiro Kai Ni
Noshiro Kai NiNoshiro Kai Ni +3 +1 Non-stackable between itself, Zuiun Kai Ni (634 Air Group)Zuiun Kai Ni (634 Air Group), Zuiun Kai Ni (634 Air Group/Skilled)Zuiun Kai Ni (634 Air Group/Skilled)
Yahagi Kai Ni (B)Yahagi Kai Ni
Yahagi Kai Ni B

Mogami Kai Ni (Toku)Mogami Kai Ni
Mogami Kai Ni Toku
+3 +1 +2
Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Agano-class Kai NiNoshiro Kai Ni
Yahagi Kai Ni
Yahagi Kai Ni B
+1 +1 +1 Non-stackable between any Seaplane Bombers
Mogami Kai Ni (Toku)Mogami Kai Ni
Mogami Kai Ni Toku
+1 +1


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
Seaplane Zuiun (634 Air Group/Skilled) 0 190 190 0 490 8/10 6/7 2xSeaplane.png H1
X X  
Hyuuga Kai
Hyuuga Kai Ni
6 10/16 7/9 3xSeaplane.png
10 - - -
Improvement Improved effects
Seaplane BomberBomber 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Dive Bomber Attack 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Line of Sight 1.2 1.69 2.07 2.40 2.68 2.93 3.17 3.39 3.60 3.79

See Also