Oerlikon KDA (35 mm)

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The 35 mm Oerlikon KDA on the right side of Chieftain Marksman turret.


Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.

Vehicles equipped with this weapon

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available ammunition

  • Default: API-T* · HEI-T*
  • DM11A1: HEI-T* · HEI-T* · HEI-T* · API-T*
  • DM13: API-T* · API-T* · API-T* · HEI-T*
  • DM23: APDS

Penetration statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
HEI-T* 11 11 9 8 6 5
API-T* 68 66 57 47 39 32
APDS 127 125 118 110 102 95
Shell details
Ammunition Velocity
mass (kg)
Fuse delay
Fuse sensitivity
Explosive mass
(TNT equivalent) (g)
0% 50% 100%
HEI-T* 1,175 0.55 0.1 0.1 204 79° 80° 81°
API-T* 1,175 0.55 1.2 9 37.4 47° 60° 65°
APDS 1,400 0.38 - - - 75° 78° 80°

Comparison with analogues

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Usage in battles

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Pros and cons

Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.




In 1952, the Swiss Oerlikon company calculated that 35 mm would be the most optimum calibre for anti-aircraft use. They decided to adapt the 20 mm post-war KAA design for the 35 mm role. The final design that became the belt-fed KDA was produced under the name Mk 323. The KDA is used on the British Marksman AA system, the West German Leopard I-based Gepard, the Polish PT-91 main battle tank-based PZL Loara, and the Japanese Type 74-based Type 87 vehicles, and it can be used with Super Fledermaus radar system.


Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

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  • reference to the article about the variant of the cannon/machine gun;
  • references to approximate analogues by other nations and research trees.

External links

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  • topic on the official game forum;
  • other literature.

Britain and USA anti-aircraft guns
7.92 mm  BESA
12.7 mm  M2HB
20 mm  GAI C01 · M168 · Oerlikon Mk.II · Polsten
25 mm  GAU-12U
30 mm  HSS 831L
35 mm  GA-35
37 mm  M1A2
40 mm  Bofors L/60 · Dual Automatic Gun M2 · M266
23 mm  ZU-23 (USSR)
35 mm  Oerlikon KDA (Swiss)

Germany anti-aircraft guns
15 mm  MG 151
20 mm  FlaK38 · Rh202
30 mm  MK103/38
37 mm  FlaK36 · FlaK43 · FlaK44
35 mm  Oerlikon KDA (Swiss)

Japan anti-aircraft guns
20 mm  Type 98 Anti-Air Gun
12.7 mm  M2HB (USA)
20 mm  Rh202 (Germany)
35 mm  Oerlikon KDA (Swiss)
40 mm  M2 Dual Automatic Gun (USA)

Sweden anti-aircraft guns
7.62 mm  Ksp 58
20 mm  Akan m/45B · Lvakan m/40B
40 mm  Akan m/70B · Lvakan m/36 · Lvakan m/48
20 mm  Oerlikon 204 GK (Switzerland)
35 mm  Oerlikon KDA (Switzerland)
57 mm  S-68 (USSR)