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Bi Type 40mm Twin Autocannon Mount

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Bi Type 40mm Twin Autocannon Mount

No.92 毘式40mm連装機銃

Anti-Air Gun Anti-Aircraft Gun

Effects: Evasion+1 Anti-Air+6

Scrap Value: Ammunition2 Steel1

Equipment Card Bi Type 40mm Twin Autocannon Mount.png

Equipment Character Bi Type 40mm Twin Autocannon Mount.png

Equipment Item Bi Type 40mm Twin Autocannon Mount.png

Equipment Full Bi Type 40mm Twin Autocannon Mount.png

Refittable Class
Coastal Defense ShipDestroyer
Light CruiserTorpedo Cruiser
Heavy CruiserAviation Cruiser
BattleshipAviation Battleship
Fast BattleshipLight Carrier
Standard CarrierArmored Carrier
Seaplane TenderSubmarine Tender
SubmarineSubmarine Carrier
Repair ShipTraining Cruiser
Fleet OilerAmphibious Assault Ship



This is an anti-aircraft autocannon introduced by the British Vickers Ltd. company.
Also known as the "pom-pom" gun due to its firing sound and its two-round burst, it was licensed but also produced domestically. It was gradually replaced by more modern anti-aircraft guns.


How To Obtain

Stock equipment of HarusameHarusame, TaigeiTaigei

Updates History

Akashi's Improvement Arsenal

Type Name Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
Anti-Air Gun BI-type 40mm Twin Machine Gun 0 0 40 20 20 1/2 1/1 1xGreenGunMG.png Harusame
Upgrades to QF 2-pounder Octuple "Pom Pom" Naval Gun Mount.
6 1/2 1/2 1xGreenGunMG.png
10 4/8 3/6 2xGreenGunMG.png
1xItem Icon New Model Armament Material.png

See Also

QF 2-pounder naval gun