Zuiun Model 12
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Auspicious Clouds Model 12
No.80 瑞雲12型
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 Seaplane BomberEffects:
 +7  +3  +5  +1  +6Combat Radius: 5 (Deployment Cost:
 7)Scrap value:
 2  3 6 (Unbuildable) | |
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| 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
急降下爆撃まで可能な多用水上偵察機「瑞雲」。
空戦フラップ装備の高性能多用途機である本機のエンジンを、より強力な金星62型に換装した「瑞雲改良型」の新鋭機です。
Derived from floatplanes, the "Zuiun" was developed as a reconnaissance plane able to dive-bomb.
This aircraft had its engine swapped to a more powerful Kinsei 62, being the latest "Zuiun Kai version".
Mechanics
Seaplanes are the main aircraft type used by non-carrier ships (mainly battleships, cruisers, and auxiliaries).
- They are notably required to trigger Artillery Spotting.
Bomber Seaplane Bombers additionally act like Dive Bombers, taking part in the same air phases and sharing the same damage formulas. Additionally, they:
- Play some minor Anti-Installation role.
- Bring an accuracy bonus against PT boats.
Zuiuns are additionaly required for the Ise-class Kai Ni
to perform special Zuiun cut-in attack (see Artillery Spotting for more details).
This plane has Anti-Air Resistance.
- 0.6 Ship AA Modifier
Notes
Not to be confused with other aircraft of this family (see here).
How To Obtain
Stock equipment of: Fusou Kai Ni
, Yamashiro Kai Ni
Upgradeable from: Zuiun
From quest: By5 (x2, choice), B166 (x2, choice), G11 (x2, choice)
From limited-time quest: SB34 (choice), 2110 LB01 (x2, choice), 22Fa LB04 (x2, choice)
Ranking reward for:
- Feb 2014: 1-3, 4-20, 21-100
- Mar 2014: 4-20, 21-100, 101-500
- Apr 2014: 21-100
- May 2014: 21-100, 101-500
- Aug 2014: 101-500
- Jan 2015: 21-100, 101-500
- Mar 2015: 21-100
- Oct 2015: 21-100, 101-500
- Dec 2015: 21-100
- Jul 2016: 21-100
- Aug 2016: 21-100, 101-500
Uses
Used to improve: Zuiun (634 Air Group)
, Zuiun Model 12 (634 Air Group)
Updates History
- 2014-03-15: Implemented as ranking reward
- 2019-03-22: Anti-air resistance added
- 2021-03-30: Became improvable and upgradeable to Zuiun Model 12 (634 Air Group)
Fit Bonuses
| Zuiun Model 12 Equipment Bonuses | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Ship | Extra Requirement | 
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Note | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mogami Kai Ni /Toku  Yahagi Kai Ni /B  
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- | +1 | +1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| (1st equipped) | +2 | One-time[1] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Noshiro Kai Ni
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(1st equipped) | +2 | +1 | One-time[1] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mikuma Kai Ni /Toku 
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- | +1 | +1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| (1st equipped) | +1 | One-time[1] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Seaplane Bomber Type Equipment Bonuses | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Ship | Extra Requirement |
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| Noshiro Kai Ni Yahagi Kai Ni /B
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(1st equipped) | +1 | +1 | +1 | One-time[1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mogami Kai Ni /Toku Mikuma Kai Ni /Toku
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(1st equipped) | +1 | +1 | One-time[1] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
- ↑ 1.0 1.1 Shared with all Seaplane Bomber
Improvement
| Type | Name | ★ | Resource | Day | 2nd Ship | Note | ||||||||||||
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Sun | Mon | Tue | Wed | Thu | Fri | Sat | |||||
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Zuiun Model 12 | 0 | 180 | 180 | 0 | 480 | 6/8 | 5/6 | 1x
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X | X | X | X | X | M | M | Mogami Kai Ni | Upgrades to Zuiun Model 12 (634 Air Group) |
| 6 | 7/10 | 6/8 | 2x
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| 10 | 11/15 | 7/9 | 1x 2x 
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Improvement  effects
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| Bomber
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1★ | 2★ | 3★ | 4★ | 5★ | 6★ | 7★ | 8★ | 9★ | Max★ |
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0.2 | 0.4 | 0.6 | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 |
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1.2 | 1.69 | 2.07 | 2.40 | 2.68 | 2.93 | 3.17 | 3.39 | 3.60 | 3.79 |
Trivia
This is essentially what should be called "Zuiun Kai", its engine replaced with 1500 hp Kinsei (the Venus) type 62, a 200hp increase over the old engine's output. Notably, there was also a plan to swap the Zero fighter's engine with a Kinsei variant too, but ultimately neither of them was mass-produced before the end of the war.