10cm Twin High-angle Gun Mount

	[Edit] 10cm Twin High-angle Gun Mount No.3 10cm連装高角砲
	Small Caliber Main Gun (High-angle) Effects: +2 +7 Short Scrap value: 1 3 (Buildable)
	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

防空型駆逐艦の主砲です。
画期的な長砲身半自動装填砲を動力砲塔に備えた「長10cm」と呼ばれた新型の防空用高角砲で、「秋月」型駆逐艦に搭載されました。
複雑な構造のため量産には不向きでしたが、敵機の跳梁を抑える艦隊防空の切り札の一つです。

This is the main gun of the anti-air destroyers.
It is a groundbreaking new model anti-air gun called the "Long 10 cm" had long barrel high-angle guns, with semi-automatic loading, and a powered turret, and was equipped on the Akizuki-class destroyers.
Its complex design made it difficult to mass-produce, but it was a key part of the fleet's defense against the air superiority of enemy aircraft.

Mechanics

Main Guns are the main armament used by surface ships. Their main stats are the "firepower" and "accuracy" . They are notably required to trigger all Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).

Most main guns come with "Hidden Fit Bonuses/Penalties", especially larger ones.
Small Caliber Main Guns bring some accuracy bonus against PT Imp.

High-Angle Guns (sometimes "dual-purpose guns"), are anti-air focused guns, that can serve their main surface role, in addition to having extra AA stats.

They are notably required in most AACI.

Notes

Not to be confused with 10cm Twin High-angle Gun Mount (Carriage).

How To Obtain

Buildable

Stock equipment of: Arashio Kai, Asashio Kai, Hamakaze B Kai, Hatsukaze Kai, Isokaze B Kai, Kagerou Kai, Kasumi Kai, Kuroshio Kai, Maikaze Kai, Michishio Kai, Ooshio Kai

From quest: Fq6 (x2, choice)

Uses

Used to improve: 12.7cm Twin High-angle Gun Mount, 8cm High-angle Gun, Type 91 Anti-Aircraft Fire Director, Type 94 Anti-Aircraft Fire Director, 10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director, 90mm Single High-angle Gun Mount, 8cm High-angle Gun Kai + Additional Machine Guns, 12.7cm Twin Gun Mount Model D Kai 2, 10cm Twin High-angle Gun Mount Kai + Additional Machine Guns, 5inch Single Gun Mount Mk.30, 12.7cm Twin Gun Mount Model A Kai 2, 12.7cm Twin Gun Mount Model A Kai 3 (Wartime Modification) + Anti-Aircraft Fire Director, 10cm Twin High-angle Gun Mount Battery Concentrated Deployment, 10cm Twin High-angle Gun Mount (Carriage)

Used by quest: F76, Fq7, F78

Updates History

2013-04-23: Implemented with initial game release
2021-03-30: Visible bonuses added
2022-04-01: Became improvable and upgradable to 10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director

Fit Bonuses

Ship	Extra Requirement								Note
Akizuki-Class		+1		+2				+1	Added 2021-03-30

Improvement

10cm Twin High-angle Gun Mount
Improvement			→	Conversion
★ Improvement Level	0~5	6~9		10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director
Consumed	4/5	5/6		8/12
Consumed	2/3	4/5		6/10
Equipment Consumed
Items Consumed	-			-
Resources	0 0 80 70

Ship Helper	Conversion
Fuyutsuki/Kai	10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director
Mon		Tue	Wed	Thu	Fri	Sat	Sun

Fubuki Kai Ni
Mon		Tue	Wed	Thu	Fri	Sat	Sun

Improvement effects
Main	1★	2★	3★	4★	5★	6★	7★	8★	9★	Max★
	1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
	1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
[math]\displaystyle{ \text{AdjAA}_\text{ship} }[/math]	2.00	2.82	3.46	4.00	4.47	4.89	5.29	5.65	6.00	6.32
[math]\displaystyle{ \text{AdjAA}_\text{fleet} }[/math]	2.00	2.82	3.46	4.00	4.47	4.89	5.29	5.65	6.00	6.32
Day	1.00	1.41	1.73	2.00	2.23	2.44	2.64	2.82	3.00	3.16
Night	1.30	1.84	2.25	2.60	2.91	3.18	3.44	3.68	3.90	4.11

Trivia

One of Japan's relatively successful anti-air weapons, being equipped on carrier Taihou, light cruiser Oyodo, and Akizuki-class destroyers (the illustration shows the turret-mounted variant seen on Akizuki-class; Oyodo and Taihou were equipped with carriage-mounted ones). Both muzzle velocity and operating speed were increased significantly compared to traditional destroyer guns, making it more effective toward enemy aircraft. In reality, its anti-surface ability was not as high due to accuracy and ammunition mass but in-game it has the same firepower stat as the twin 12.7cm. Although the gun proved effective, the Japanese Navy's anti-air ability still lagged behind as the anti-air fire control device was outdated.

It is easily accessible in-game as many destroyers carry it as stock equipment; Chief Developer Mr. Tanaka once regretted that this weapon "was deployed rather too early, even before the Akizuki-class appeared in-game" in an interview.