[Edit]
No.?? ??
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Effects:
 ??  ??  ??  ??  ??  ??  ??  ??  ??  ??  ??  ???? Scrap value:
 ??  ??  ??  ?? (Unbuildable) | |
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| Refittable Ship Types | |
| 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 |
Introduction
水上偵察機を発展させ、急降下爆撃可能な水偵として開発された「瑞雲」。
空戦フラップまで装備した高性能な多用途機で、水上機母艦や、航空巡洋艦などからの運用も可能です。
「伊勢」型を改装した「航空戦艦」で集中運用、水上打撃機動部隊を編制するのも楽しいですよ！
Derived from floatplanes, Zuiun was developed as reconnaissance plane able to dive-bomb. Equipped with variable flap it is very fine-tuned multirole aircraft, and is able to be used on seaplane tenders or aircraft-carrying cruisers. It's also fun to group an aircraft-carrying battleship division, mounting it on aircraft-carrying battleships which are modified Ise-class.
Notes
How To Obtain
Buildable
Stock equipment of Chitose Kai
, Chiyoda Kai
, Fusou Kai
, Hayasui
, Hyuuga Kai
, Ise Kai
, Kumano Kai
, Mikuma Kai
, Mogami Kai
, Suzuya Kai
, Yamashiro Kai
From quests: C22 (x2, choice)
From limited-time quests: SB34 (x4, choice)
Uses
Used to improve Zuiun
, Type 0 Observation Seaplane
, Zuiun (634 Air Group)
, Zuiun Model 12
, Zuiun Model 12 (634 Air Group)
, Ar196 Kai
, Ro.43 Reconnaissance Seaplane
, Ro.44 Seaplane Fighter
, Type 2 Seaplane Fighter Kai
, Laté 298B
, Shiden Model 11
, Ro.44 Seaplane Fighter bis
, Type 2 Seaplane Fighter Kai (Skilled)
, Zuiun (634 Air Group/Skilled)
, S9 Osprey
, Zuiun Kai Ni (634 Air Group)
, S-51J
, S-51J Kai
, Swordfish Mk.III Kai (Seaplane Model)
, Type 99 Dive Bomber Model 22 (Skilled)
Used by quests: F51, F52, F58, F85, F86, F87, F101
Used by limited-time quests: 2003 LQ2
Updates History
- 2013-04-23: Implemented with initial game release
- 2013-11-01: Stats increased:
+1 → +2 - 2013-12-24: Stats increased: +2 → +4
- 2017-06-23: Became improvable and upgradeable to Zuiun (634 Air Group)
- 2021-03-30: Became upgradeable to Zuiun Model 12
Fit Bonuses
| Ship | Extra Requirement | 
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Note |
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Noshiro Kai Ni
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+2 | +1 | Non-stackable between any lower-tier IJN Seaplane Bombers  [1]
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Yahagi Kai Ni (B)  Mogami Kai Ni (Toku)  
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+2 | +1 | +1 | is non-stackable between any lower-tier IJN Seaplane Bombers
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| Ship | Extra Requirement |
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| Agano-class Kai Ni
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+1 | +1 | +1 | Non-stackable between any Seaplane Bombers | |||||
| Mogami Kai Ni (Toku)
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+1 | +1 |
Akashi's Improvement Arsenal
| Type | Name | ★ | Resource | Day | 2nd Ship | Note | ||||||||||||
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Sun | Mon | Tue | Wed | Thu | Fri | Sat | |||||
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Zuiun (Auspicious Clouds) | 0 | 160 | 160 | 0 | 360 | 5/7 | 3/4 | 1x
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I H |
M |
M |
M |
M |
I H |
I H |
Mogami Kai (only) Ise Kai Hyuuga Kai |
Ise Kai Ni and Hyuuga Kai Ni can NOT improve this equipment. Upgrades to Zuiun (634 Air Group). |
| 6 | 6/9 | 5/7 | 1x
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| 10 | 16/24 | 7/10 | 2x 1x 
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| 0 | 5/7 | 3/4 | 1x
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X | M2 | M2 | M2 | M2 | X | X | Mogami Kai Ni (or Toku) | Upgrades to Zuiun Model 12. | ||||||
| 6 | 6/9 | 5/7 | 1x
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| 10 | ? | 7/9 | 2x 1x 
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Trivia
Although quite obscure in-game, the Zuiun (along with the Mitsubishi F1M2) represented the pinnacle of Japanese floatplane development. This was a result of Japan's obsession with multi-role floatplanes which arose from battles with Chinese forces during the 1930s. It was initially intended to be carried by cruisers and carry out preemptive strikes on enemy aircraft carriers to secure air superiority, as the Japanese Navy disliked placing reconnaissance aircraft on aircraft carriers, which took up valuable space needed for fighters and attack aircraft (this was the reason that the Mogami was fitted with a floatplane deck). The Zuiun was equipped with 2x20mm guns, 1x13mm gun, and was able to carry a single 250kg bomb. It was also fitted with dive brakes similar to the German designed Ju-87 Stuka. Moreover, it could fly as far as Zero fighters (about 2500km), and was ridiculously fast as a floatplane at 448km/h. Like many other Japanese aircraft, it never saw its full potential exhibited as a result of a delayed development schedule and Japan's dwindling production capabilities as the war progressed.