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Shinzan Kai

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Deep Mountain Mk.1
No.396 深山改
Heavy Bomber Icon.png Large Land-based Aircraft
Effects: Bombing+19 Torpedo+17 AA+2
Combat Radius: 11 (Deployment Cost: Bauxite 21)
Scrap value: Fuel 13 Ammo 18 Bauxite 24 (Unbuildable)

Equipment Card Shinzan Kai.png

Equipment Character Shinzan Kai.png

Equipment Item Shinzan Kai.png

Equipment Full Shinzan Kai.png

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



An improved version of the long-range, four-engine large bomber, "Shinzan".
Developed based on large passenger aircraft from the US, the engines were replaced and the airframe improved, but problems remained and it again was not adopted by the military.
Its features would be adopted by its successor, the "Renzan".


Land-based Heavy Bomber Land-Based Heavy Bombers mostly work like other Land-Based Attackers, but unlike them, they have only 9 planes in LBAS slots, instead of 18, as well as slightly worse damage modifiers, dividing their base attack power by about half.


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

How To Obtain

From limited-time quest: 2312 F3

Ranking reward for:

  • Sep 2020: 1-5, 6-20

Event reward for:

Updates History

  • 2020-10-29: Implemented as ranking reward


Improvement Improved effects
Land-based Heavy Bomber 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Torpedo Attack 0.70 0.98 1.21 1.40 1.56 1.71 1.85 1.97 2.10 2.21
Dive Bomber Attack 0.70 0.98 1.21 1.40 1.56 1.71 1.85 1.97 2.10 2.21
Anti-Air 0.50 0.70 0.86 1.00 1.11 1.22 1.32 1.41 1.50 1.58


The depicted plane is allegedly the G5N2 variant.

See Also