Bi Type 40mm Twin Autocannon Mount

[Edit] Bi Type 40mm Twin Autocannon Mount No.92 毘式40mm連装機銃
Anti-Aircraft Gun Effects: +6 +1 Scrap value: 2 1 (Unbuildable)
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

Mechanics

AA Guns are equippable in RE. They are mainly used to provide "Anti-Air", notably via their AA stat. They:

• Are notably required in most AACI.
• Trigger a tracer-fire effect during air combat.
• Bring an accuracy bonus against PT Imp.

Notes

How To Obtain

Stock equipment of: Harusame, Taigei

Uses

Used to improve: Bi Type 40mm Twin Autocannon Mount

Updates History

• 2014-06-06: Implemented
• 2014-09-12: Stats increased: +5 → +6
• 2020-09-17: Became improvable and upgradeable to QF 2-pounder Octuple Pom-pom Gun Mount ★+1

Improvement

Bi Type 40mm Twin Autocannon Mount
Improvement			→	Conversion
★ Improvement Level	0~5	6~9		QF 2-pounder Octuple Pom-pom Gun Mount ★1
Consumed	1/2	1/2		4/8
Consumed	1/1	1/2		3/6
Equipment Consumed				x2
Items Consumed	-
Resources	0 40 20 20

Ship Helper	Conversion
Taigei/Ryuuhou/Kai/Ni/E	QF 2-pounder Octuple Pom-pom Gun Mount ★1
Mon		Tue	Wed	Thu	Fri	Sat	Sun
Harusame
Mon	Tue	Wed	Thu	Fri	Sat	Sun

Improvement effects
	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
	1.2	1.69	2.07	2.40	2.68	2.93	3.17	3.39	3.60	3.79
[math]\displaystyle{ \text{AdjAA}_\text{ship} }[/math]	4.00	5.66	6.93	8.00	8.94	9.80	10.58	11.31	12.00	12.65
Torpedo	2.00	2.82	3.46	4.00	4.47	4.89	5.29	5.65	6.00	6.32