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Ka Type Observation Autogyro

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No.69 カ号観測機
Heli.png Rotorcraft
Effects: ASW+9 Accuracy+1
Combat Radius: 1 (Deployment Cost: Bauxite 2)
Scrap value: Fuel 1 Ammo 1 Bauxite 4 (Buildable)

Equipment Card Ka Type Observation Autogyro.png

Equipment Character Ka Type Observation Autogyro.png

Equipment Item Ka Type Observation Autogyro.png

Equipment Full Ka Type Observation Autogyro.png

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
LBAS Plane



The "Kayaba Ka-1 observation auto-gyro" was developed and used by the military.
This rotorcraft was used for anti-submarine patrol similar to modern ship-borne helicopters.
This aircraft can launch from landing craft and light carriers with full-length decks as well as from aviation cruisers and battleships with flight decks.


Rotorcraft Rotorcraft are ASW Aircraft, being used to trigger some OASW and Land-based ASW attacks.

As they do not have any Dive Bombing Dive Bomber Attack stat, they do not participate to Phases 2 & 3 of Aerial Combat and are immune to shootdown. They:

  • Will launch during aerial battle if other planes are launched, but cannot start an aerial battle on their 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 AR can equip them, but the former cannot attack SS, and the latter has a carrying capacity of 0 so they do not function.
  • AO can equip them, but their attack animation will still be a depth charge animation.

Their LBAS Combat Radius cannot be extended.


How To Obtain

Buildable using Akitsu Maru, Shinshuu Maru, Kumano Maru, Yamashio Maru, or Souya

Stock equipment of: Akitsu Maru KaiAkitsu Maru Kai

From quest: B153 (★+3, x3, choice)

From limited-time quest: SB54 (x2, choice), 2311 B4 (x3, choice)

Ranking reward for:

  • Dec 2013: 21-100, 海上護衛総隊
  • Jan 2014: 海上護衛総隊
  • Feb 2014: 海上護衛総隊
  • Mar 2014: 海上護衛総隊
  • Apr 2014: 海上護衛総隊


Used to improve: Ka Type Observation AutogyroKa Type Observation Autogyro, O Type Observation Autogyro KaiO Type Observation Autogyro Kai, Type 3 Command Liaison Aircraft (ASW)Type 3 Command Liaison Aircraft (ASW), Type 3 Command Liaison Aircraft KaiType 3 Command Liaison Aircraft Kai

Updates History

  • 2013-12-24: Implemented
  • 2019-03-27: Became improvable and upgradeable to O Type Observation Autogyro KaiO Type Observation Autogyro Kai
  • 2020-08-27: Visible bonuses added
  • 2021-12-10: Became buildable

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 +1
Hyuuga Kai NiHyuuga Kai Ni
Kaga Kai Ni GoKaga Kai Ni Go
+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


Heli.png Ka Type Observation Autogyro

Improvement Conversion
★ Improvement
0~5 6~9
Equipment Card O Type Observation Autogyro Kai.png
O Type Observation Autogyro Kai
Development material Consumed 5/6 6/7 12/20
Improvement material Consumed 2/3 3/4 5/10
- Equipment Card Type 0 Reconnaissance Seaplane.png Equipment Card Ka Type Observation Autogyro.png
- Item Icon New Model Aerial Armament Material.png
Resources Fuel50 Ammunition20 Steel30 Bauxite150
Ship Helper Conversion
Ship Banner Ise Kai Ni.png
Ise Kai Ni
Equipment Card O Type Observation Autogyro Kai.png
O Type Observation Autogyro Kai
Mon Tue Wed Thu Fri Sat Sun
Improvement Improved effects
Rotorcraft 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Anti-Submarine Warfare 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Accuracy Day? 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy Night? 1.30 1.84 2.25 2.60 2.91 3.18 3.44 3.68 3.90 4.11

See Also

Kayaba Ka-1