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
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

英国ヴィッカース社より導入した対空機銃です。
射撃時の音からポンポン砲とも呼ばれ、国内でライセンス生産もされました。徐々に後発の国産対空機銃に更新されていきました。

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.

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

Type	Name	★	Resource							Day							2nd Ship	Note
Type	Name	★								Sun	Mon	Tue	Wed	Thu	Fri	Sat	2nd Ship	Note
	BI-type 40mm Twin Machine Gun	0	0	40	20	20	1/2	1/1	1x	✓	✓	✓	✓	✓	✓	✓	Harusame Taigei	Upgrades to QF 2-pounder Octuple "Pom Pom" Naval Gun Mount ★+1
		6					1/2	1/2	1x
		10					4/8	3/6	2x 1x

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

12cm Single Gun Mount (Kai 2) • 12.7cm Twin Gun Mount (Model A • Model A Kai 2 • Proto Long-barrel Model A Kai 4 • Model B Kai 2 • Model C Kai 2 • Model C Kai 3 • Model C Kai 3 H • Model D Kai 2 • Model D Kai 3)

Foreign	12.7cm Single Gun Mount (Ger) • 120mm/50 Twin Gun Mount (Mod.1936 • Kai A.mod.1937) (Ita) • QF 4.7inch Gun Mk.XII Kai (UK) • 130mm B-13 Twin Gun Mount (Sov)

Small HA

10cm Twin HA Gun Mount (+ AAFD) • 12cm Single HA Gun Mount (Model E • Model E Kai) • 12.7cm HA Gun Mount (Single LM • Twin LM • Single Kai 2 • Twin Kai 2) • 12.7cm Twin HA Gun Mount (Model A Kai 3 + AAFD • Model B Kai 4 + AAFD)

Foreign	5inch Single Gun Mount Mk.30 (Mk.30 Kai • Mk.30 Kai + GFCS) (US) • Local Mod. 12.7cm Twin HA Gun Mount (CN) • Local Mod. 10cm Twin HA Gun Mount (CN)

Medium

14 cm	14cm Single Gun Mount • 14cm Twin Gun Mount (Kai • Kai 2)

15-15.5 cm/6 inch	15.2cm Twin Gun Mount (Kai • Kai 2) • 15.5cm Triple Gun Mount (Kai) • 152mm/55 Triple Rapid Fire Gun Mount (Kai) (Ita) • 6inch Triple Rapid Fire Gun Mount Mk.16 (Mk.16 mod.2) (US) • 6inch Mk.XXIII Triple Gun Mount (UK) • Bofors 15.2cm Twin Gun Mount Model 1930 (Swe) • Bofors 15cm Twin Rapid Fire Gun Mount Mk.9 Model 1938 (Mk.9 Kai + Single Mk.10 Kai) (Swe/NL) • 6inch Twin Rapid Fire Gun Mount Mk.XXI (UK/Au)

20-20.3 cm/8 inch	20.3cm Twin Gun Mount (No.2 • No.3 • Proto No.4) • SKC34 20.3cm Twin Gun Mount (Ger) • 203mm/53 Twin Gun Mount (Ita) • 8inch Triple Gun Mount Mk.9 (Mk.9 mod.2) (US)

Medium HA

5inch Twin DP Gun Mount (CD) (+ GFCS) (US)

Large

30.5-32 cm	305mm/46 Gun Mount (Twin • Triple) (Ita) • 320mm/44 Gun Mount (Twin • Triple) (Ita) • 30.5cm Triple Gun Mount (Kai) (Sov)

35.6 cm/14 inch	35.6cm Twin Gun Mount (Dazzle Camo • Kai • Kai 2 • Kai 3/Dazzle Camo • Kai 4) • Prototype 35.6cm Triple Gun Mount • 35.6cm Triple Gun Mount Kai (Dazzle Camouflage) • 14inch/45 Gun Mount (Twin • Triple) (US)

38-38.1 cm	38cm Twin Gun Mount (Kai) (Ger) • 381mm/50 Triple Gun Mount (Kai) (Ita) • 38.1cm Mk.I Twin Gun Mount (Mk.I/N Kai) (UK) • 38cm Quadruple Gun Mount (Kai • Deux) (Fr)

41 cm/16 inch	41cm Twin Gun Mount (Kai 2) • 41cm Triple Gun Mount (Proto • Kai • Kai 2) • 16inch Twin Gun Mount (Mk.I • Mk.V • Mk.VIII Kai) (US) • 16inch Triple Gun Mount (Mk.6 • Mk.6 + GFCS • Mk.6 mod.2 • Mk.7 • Mk.7 + GFCS) (US) • 16inch Triple Gun Mount (Mk.I • Mk.I + AFCT Kai • Mk.I Kai + FCR Type 284) (UK)

46 cm	Prototype 46cm Twin Gun Mount • 46cm Triple Gun Mount (Kai)

Very Large

Prototype 51cm Twin Gun Mount • 51cm Twin Gun Mount • Prototype 51cm Triple Gun Mount

Secondary Guns

Surface

15.2cm Single Gun Mount • 15.5cm Triple Gun Mount (Kai • Kai 2) • 15cm Twin Gun Mount (Ger) • OTO 152mm Triple Rapid Fire Gun Mount (Ita) • 15.2cm Triple Gun Mount (Fr)

High-Angle

8cm HA Gun (+ Add. MG) • 10cm Twin HA Gun Mount (Carriage) (Kai + Add. MG) • 12.7cm Twin HA Gun Mount (+ AAFD) • 10cm Twin HA Gun Mount Battery CD • 12cm Single HA Gun Mount + 25mm MG

Foreign	10.5cm Twin Gun Mount (Ger) • 65mm/64 Single Rapid Fire Gun Mount Kai (Ita) • 90mm Single HA Gun Mount (Ita) • 5inch Single HA Gun Mount Battery (US) • 5inch Twin Gun Mount Mk.28 mod.2 (US)

Large Secondary (HA)

5inch Twin Gun Mount (Secondary Armament) CD (US)

Anti-Air

AA Guns/Rocket Launchers	7.7mm Machinegun • 12.7mm Machinegun • 25mm Autocannon Mount (Single • Twin • Triple • Triple CD) • 25mm Anti-aircraft Autocannon Mount & Machine Guns • Bi Type 40mm Twin Autocannon Mount (UK) • 12cm 30-tube Rocket Launcher (Kai 2) • 2cm Flakvierling 38 (Ger) • 3.7cm FlaK M42 (Ger) • Bofors 40mm Quadruple Autocannon Mount (Swe/US) • QF 2-pounder Octuple Pom-pom Gun Mount (UK) • 20-tube 7inch UP Rocket Launchers (UK)

Anti-Aircraft Fire Directors	Type 91 AAFD • Type 94 AAFD

Torpedo Weapons

Surface	53cm Twin Torpedo Mount • 53cm Bow O2 Torpedoes • 61cm Torpedo Mount (Triple • Triple O2 • Triple O2 LM • Quad • Quad O2 • Quad O2 LM • Quintuple O2 • Proto Sext O2) • 533mm Quint Torpedo Mount (Initial Model • Late Model) (US) • 533mm Triple Torpedo Mount (Model 53-39) (Sov)

Submarine	Late Model Bow Torpedo Mount (4 tubes) (+ Skilled Sonar Personnel) • Late Model Bow Torpedo Mount (6 tubes) (+ Skilled Sonar Personnel) • Submarine 53cm Bow Torpedo Mount (8 tubes) (Late Model) • Prototype FaT Type 95 Oxygen Torpedo Kai (IJN/Ger) • 21inch 4-tube Bow Torpedo Launcher (Initial Model • Late Model) (US) • 21inch 6-tube Bow Torpedo Launcher (Initial Model • Late Model) (US) • Submarine 4-tube Stern Torpedo Launcher (Initial Model • Late Model) (US)

Midget Submarines	Kouhyouteki (Type A • Type C • Type D Kai)

Carrier-Based Planes

Fighters

Zero	Model 21 (Skilled) • Model 32 (Skilled) • Model 52 (Skilled) • Model 64 • Model 52C (601) • Model 21 (Iwamoto) • Model 52A (Iwamoto) • Model 53 (Iwamoto) • Model 52C (Iwai) • Model 52C (Hachiman)

Other (IJN)	Type 96 (Kai) • Shiden (Kai 2 • Kai 4) • Reppuu (Prototype LM • Model 11 • 601 • Kai • Kai 2 • Kai 2 (CD1/Skilled)) • Prototype Jinpuu • Shinden Kai

Foreign	Bf 109 T Kai (IJN/Ger) • Fw190 (T Kai • A-5 Kai (Skilled)) (IJN/Ger) • Reggiane (2001 OR Kai • 2005 Kai) (IJN/Ita) • Wildcat (F4F-3 • F4F-4) (US) • Hellcat (F6F-3 • F6F-5) (US) • XF5U (US) • FR-1 Fireball (US) • Fulmar (UK) • Seafire Mk.III Kai (UK) • Corsair Mk.II (Ace) (UK/US)

Night	Reppuu Kai 2 Model E (CD1/Skilled) • Hellcat (F6F-3N • F6F-5N) (US) • F4U-2 Night Corsair (US)

Dive Bombers

Type 99 (Skilled • Model 22 • Model 22/Skilled • Egusa) • Suisei (601 • Model 12A (w/ Cluster Bombs • w/ Photo Fuze Bombs) • Model 22 (634 • 634/Skilled) • Egusa) • Prototype Nanzan

Foreign	Ju.87C (Kai • Kai 2 KMX • Kai 2 KMX/Skilled) (IJN/Ger) • Re.2001 CB Kai (IJN/Ita) • Dauntless (SBD • SBD-5) (US) • Helldiver (SB2C-3 • SB2C-5) (US) • Corsair (F4U-1D (US) • F4U-4 (US) • AU-1 (US) • F4U-7 (Fr/US)) • FM-2 (US) • Skua (UK)

Fighter-bombers	Type 0 (Model 62 FB (Iwai) • Model 63 FB • Model 64 KMX • Model 64 (Skilled FB))

Torpedo Bombers

Type 97 (Skilled • 931 • 931/Skilled • Tomonaga • Murata) • Tenzan (601 • 931 • Model 12A • Tomonaga • Murata) • Ryuusei (Kai • Kai Skilled • 601 • CD1 • CD1/Skilled)

Foreign	Re.2001 G Kai (IJN/Ita) • TBD (US) • TBF (US) • Swordfish (Mk.II Skilled • Mk.III Skilled) (UK) • Barracuda (Mk.II • Mk.III) (UK) • Mosquito TR Mk.33 (UK)

Night	Type 97 Model E (Skilled) • Tenzan Model 12A Kai (Skilled) • TBM-3D (US) • TBM-3W+3S (JMSDF/US)

Jets

Jet Keiun Kai • Kikka Kai

Recons

Saiun (4th Recon • East Caroline) • Type 2 • Fulmar (Reconnaissance Fighter/Skilled) (UK)

Large	Prototype Keiun

Land-Based Planes

Bombers

Attackers	Type 96 • Type 1 (Model 22A • Model 34 • Nonaka • Hachiman) • Ginga (Skilled • Egusa) • Type 1 Hayabusa Model III Kai (65) (IJA) • Type 4 Heavy Bomber Hiryuu (Skilled • + No.1 Model 1A Guided Missile • Skilled + No.1 Model 1A Guided Missile) (IJA) • Do 17 Z-2 (Ger) • Do 217 (E-5 + Hs293 • K-2 + Fritz-X) (Ger) • SM.79 (bis • Skilled) (Ita) • B-25 (US) • Mosquito FB Mk.VI (UK)

Anti-Submarine	Toukai (Proto • 901)

Assault	Ki-102 B (+ No.1 Model 1B Guided Missile) (IJA)

Heavy	Shinzan (Kai)

Interceptors

"Army"	Type 1 Fighter Hayabusa (Model II • Model II (64) • Model IIIA • Model IIIA (54)) (IJA) • Type 3 Fighter Hien (Model 1D • 244) (IJA) • Type 4 Fighter Hayate (IJA) • Type 2 Two-seat Fighter Toryuu (Model C) (IJA) • Ki-96 (IJA) • Fw 190 D-9 (Ger) • Spitfire (Mk.I • Mk.V • Mk.IX Skilled) (UK)

"Navy"	Raiden • Shiden (Model 11 • Kai • Kai 343/301 • Kai 343/407 • Kai 343/701) • Type 0 Fighter (Model 22 (251) • Model 21 (Tainan) • Model 32 (Tainan)) • Reppuu Kai (352/Skilled)

Jets	Me 262 A-1a/R1 (Ger)

HA	Me 163B (Ger) • Shuusui (Proto)

Recons

Type 2 Recon (Skilled) • Mosquito PR Mk.IV (UK)

Seaplanes

Recons

Type 0 Reconnaissance Seaplane (Model 11B • Model 11B Skilled) • Type 0 Observation Seaplane • Type 0 Small Reconnaissance Seaplane (Skilled) • Shiun (Skilled) • Ar196 Kai (IJN/Ger) • Ro.43 Reconnaissance Seaplane (Ita) • SOC Seagull (US) • OS2U (US) • SO3C Seamew Kai (US) • Swordfish Mk.II Kai (UK) • Fairey Seafox Kai (UK/Swe) • S9 Osprey (UK/Swe)

Night	Type 98 Reconnaissance Seaplane (Night Recon) • Type 0 Reconnaissance Seaplane Model 11B Kai (Night Recon) • Loire 130M (Fr) • Walrus (UK) • Sea Otter (UK)

Bombers

Zuiun (631 • 634 • 634/Skilled • Model 12 • Model 12 (634) • Kai 2 (634) • Kai 2 (634/Skilled)) • Seiran (Prototype • 631) • Swordfish (Mk.III Kai • Mk.III Kai Skilled) (UK/Swe) • Laté 298B (Fr)

Night	Prototype Night Zuiun (Attack Equipment)

Fighters

Type 2 Kai (Skilled) • Kyoufuu (Kai • Kai 2) • Ro.44 Seaplane Fighter (bis) (Ita)

Large Flying Boats

Type 2 Large Flying Boat • PBY-5A Catalina (US)

Radars

Small	Type 13 Air Radar (Kai • Kai LM) • Type 22 Surface Radar (Kai 4 • Kai 4 Calibrated LM • Kai 4 LM + Passive Radiolocator (E27)) • Type 33 Surface Radar • Radar Equipment Mast (Type 13 Kai + Type 22 Radar Kai 4) • SG Radar (Initial Model • Late Model) (US) • GFCS Mk.37 (US)

Large	Type 21 Air Radar (Kai • Kai 2) • Type 32 Surface Radar (Kai) • Type 42 Air Radar (Kai 2) • FuMO25 Radar (Ger) • SK Radar (+ SG) (US) • Type 281 Radar (UK) • Type 274 Fire Control Radar (UK)

Very Large	15m Duplex Rangefinder + Type 21 Radar Kai 2 ( + Skilled Fire Direction Center)

Submarine	Submarine Radar & Waterproof Telescope • Submarine Radar & Passive Radiolocator (E27) • Late Model Submarine Radar & Passive Radiolocator • Late Model Radar & Passive Radiolocator + Snorkel Equipment • SJ Radar + Submarine Conning Tower Equipment

Anti-Submarine Warfare

Sonars

Small	Type 93 Passive Sonar • Type 3 Active Sonar (Kai) • Type 4 Passive Sonar • ASDIC (Type 124 • Type 144/147 • Type 144/147 + HF/DF) (UK)

Large	Type 0 Passive Sonar

Depth Charges

Projectors‎	Type 94 Depth Charge Projector • Type 3 Depth Charge Projector (CD) • Prototype 15cm 9-tube ASW Rocket Launcher • RUR-4A Weapon Alpha Kai (US) • Mk.32 ASW Torpedo (Mk.2 Thrower) (US)

Racks	Type 95 Depth Charge • Type 2 Depth Charge (Kai 2) • Hedgehog (Initial Model) (UK) • Lightweight ASW Torpedo (Initial Test Model) (US)

Others	Type 2 12cm Mortar Kai (CD)

Rotorcraft

Ka Type Observation Autogyro (IJA) • O Type Observation Autogyro (Kai • Kai 2) (IJA) • S-51J (Kai) (JMSDF/US)

Liaison Aircraft

Type 3 Command Liaison Aircraft (ASW) (Kai) (IJA) • Type 1 Fighter Hayabusa (Model II Kai (20th Squadron) • Model III Kai (Skilled/20th Squadron)) (IJA)

Miscellaneous

Anti-Ground Rockets

WG42 (Wurfgerät 42) (Ger) • Type 4 20cm Anti-ground Rocket Launcher (CD)

Shells

Armor-Piercing	Type 91 AP Shell • Type 1 AP Shell (Kai)

Anti-Air	Type 3 Shell (Kai • Kai 2)

Engines

Improved Kanhon Type Turbine • Enhanced Kanhon Type Boiler • New Model High Temperature High Pressure Boiler

Landing Craft

Daihatsu Landing Craft (+ Type 89 & Landing Force • + Panzer II (IJN/Ger) • Armed) • Toku Daihatsu Landing Craft (+ 11th Tank Regiment • + Type 1 Gun Tank • + Panzer III (IJN/Ger) • + Panzer III Ausf.J (IJN/Ger) • + Chi-Ha • + Chi-Ha Kai ) • M4A1 DD (US) • Soukoutei (AB-Class) (IJA)

Amphibious Vehicles

Special Type 2 Amphibious Tank • Special Type 4 Amphibious Tank (Kai)

Landing Forces

Army Infantry Corps (+ Chi-Ha Kai) • Type 97 Medium Tank (Chi-Ha) (Kai)

Extra Armor

Medium	Anti-torpedo Bulge (Medium) • New Kanhon Design Anti-torpedo Bulge (Medium) • Arctic camouflage (+ Arctic equipment)

Large	Anti-torpedo Bulge (Large) • New Kanhon Design Anti-torpedo Bulge (Large) • Pugliese Underwater Protection Bulkhead (Ita)

Night Battle Aid

Searchlight • Type 96 150cm Searchlight • Star Shell

Facility & Crew

Ship Repair Facility

Skilled Lookouts	Skilled Lookouts (Torpedo Squadron)

Command Facilities	Fleet Command Facility (Striking Force • Elite Torpedo Squadron)

Aviation Personnels	Skilled Carrier-based Aircraft Maintenance Personnel • Night Operation Aviation Personnel (+ Skilled Deckhands) • Arctic Gear & Deck Personnel • Skilled Deck Personnel (+ Aviation Maintenance Hands)

Surface Ship Equipment

Barrage Balloon

Smoke Generators	Smoke Generator (Smoke Screen) (Kai)

Consumables

Underway Replenishment

Repair Personnels	Emergency Repair Personnel • Emergency Repair Goddess

Rations	Combat Ration (Special Onigiri) • Canned Saury

Others

Drum Canister (Transport Use) • Saiun (Disassembled for Transport)

Unreleased & removed

SB2U

HA - High-Angle or High-Altitude; DP - Dual-Purpose; LM - Late Model; CD - Concentrated Deployment or Carrier Division

Bi Type 40mm Twin Autocannon Mount

Contents

Introduction

Mechanics

Notes

How To Obtain

Uses

Updates History

Improvement

See Also

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