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O Type Observation Autogyro Kai

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O Type Observation Autogyro Kai

No.324 オ号観測機改

Rotorcraft Autogyro

Effects: Firepower+1 Accuracy+1 Anti-Submarine+10

Scrap Value: Fuel1 Ammunition2 Bauxite4

Equipment Card O Type Observation Autogyro Kai.png

Equipment Character O Type Observation Autogyro Kai.png

Equipment Item O Type Observation Autogyro Kai.png

Equipment Full O Type Observation Autogyro Kai.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



This is an autogyro that was developed and operated by the Army. It is a modified version with enhanced anti-submarine capabilities.
It is the ancestor of the modern shipborne helicopter, as a rotary-wing anti-submarine patrol aircraft, and can be operated from landing ships with flight decks, light aircraft carriers, aviation battleships, and aviation cruisers.


As +7 ASW Anti-Submarine Warfare aircraft, they can be used to trigger special OASW.

  • Will launch during aerial battle if other planes are launched, but cannot start an aerial battle on its own.
  • CV/B/L equipped with them will still require a Dive Bomber Dive Bomber or a Torpedo Bomber Torpedo Bomber to attack submarines, as they are unable to attack anything without a bomber.
  • AS and Akashi can equip them, but the former cannot attack SS, and the latter has a carrying capacity of 0 so it does not function.
  • AO can equip them, but their attack animation will still be a depth charge animation.

How To Obtain

Stock equipment of Hyuuga Kai NiHyuuga Kai Ni

Upgradeable from Ka Type Observation AutogyroKa Type Observation Autogyro

From quests: F84 (choice)

Ranking reward for:

  • May 2019: 21-100 (★+3), 101-500 (★+3)

Updates History

  • 2019-03-27: Implemented
  • 2020-08-27: Visible bonuses increased

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Ise Kai NiIse Kai Ni +1 +2 +1 [1]
Hyuuga Kai NiHyuuga Kai Ni
Kaga Kai Ni GoKaga Kai Ni Go
+2 +3 +1 [2]
Noshiro Kai NiNoshiro Kai Ni +4 +1 Non-stackable between any Rotorcraft
Yahagi Kai Ni (B)Yahagi Kai Ni
Yahagi Kai Ni B
+3 +1 Non-stackable between any Rotorcraft
  1. Firepower+0 Anti-Submarine Warfare+1 prior to 2020-08-27
  2. Firepower+0 Anti-Submarine Warfare+2 prior to 2020-08-27

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
Rotorcraft O Type Observation Autogyro Kai 0 60 60 30 160 6/7 3/4 - X H H X X X X Hyuuga Kai Ni Upgrades to O Type Observation Autogyro Kai Ni.
6 7/8 4/5 1xGreenPlane.png
10 16/30 7/14 1xHeli.png

See Also