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Prototype Nanzan

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Prototype Southern Mountain
No.148 試製南山
RedPlane.png Carrier-based Dive Bomber
Effects: Bombing+11 AA+1 ASW+4 LoS+2
Combat Radius: 5 (Deployment Cost: Bauxite 9)
Scrap value: Fuel 4 Ammo 5 Bauxite 15 (Unbuildable)

Equipment Card Prototype Nanzan.png

Equipment Character Prototype Nanzan.png

Equipment Item Prototype Nanzan.png

Equipment Full Prototype Nanzan.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



The high-spec ship-based attack plane "Seiran" was originally developed to be used by submarines capable of carrying seaplanes.
This is the modified prototype version for use by carriers (with dive bombs) based off "Nanzan", with hooks attached for landing on ships.
This is a test model, so bright coloring is applied.


Dive Bombers are one of the main types of plane used by CV(B/L). Their main role is to do damage during the Airstrike, with their "Dive Bombing" Dive Bomber Attack stat being the most important factor in this regard. Dive Bombers are additionally needed for dealing damage during day Shelling, especially for Aircraft Carrier Cut-Ins (CVCI).

This dive bomber has the ability to target installations during shelling.


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

How To Obtain

From quest: B129 (choice)

Ranking reward for:

  • Jul 2015: 1-5, 6-20, 21-100, 101-500
  • Aug 2015: 1-5, 6-20
  • Jan 2017: 1-5, 6-20, 21-100, 101-500
  • Sep 2021: 1-5 (★+4), 6-20 (★+4), 21-100 (★+1)
  • Mar 2022: 1-5 (★+3), 6-20 (★+2), 21-100 (★+2), 101-500 (★+1)

Updates History

  • 2015-08-21: Implemented as ranking reward
  • 2019-03-27: Ability to target Installations added


Improvement Improved effects
Dive Bomber 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Dive Bomber Attack 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Anti-Submarine Warfare 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0


The depicted plane is allegedly the M6A1-KD variant (did not exist/enter service as is).

See Also