Oerlikon 20 mm anti-aircraft cannons
E577859
The Oerlikon 20 mm anti-aircraft cannon is a widely used World War II-era automatic gun renowned for its rapid-fire capability against aircraft and light surface targets on naval vessels and ground installations.
Observed surface forms (3)
| Surface form | Occurrences |
|---|---|
| Oerlikon 20 mm anti-aircraft cannon | 0 |
| Oerlikon 20 mm cannon | 2 |
| Oerlikon 20 mm cannons | 1 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
anti-aircraft gun
ⓘ
autocannon ⓘ naval gun ⓘ |
| actionType | automatic ⓘ |
| ammunitionType | 20×110 mm ammunition ⓘ |
| barrelType | air-cooled barrel ⓘ |
| caliber | 20 mm ⓘ |
| countryOfOrigin | Switzerland ⓘ |
| designedFor |
ground-based air defense
ⓘ
shipboard air defense ⓘ |
| developedFrom | 20 mm Becker cannon design ⓘ |
| effectiveAgainst |
low-flying aircraft
ⓘ
small surface craft ⓘ |
| effectiveRange | about 1,000–1,500 meters against aircraft ⓘ |
| era | World War II era NERFINISHED ⓘ |
| feedSystem |
box magazine
ⓘ
drum magazine ⓘ |
| introducedInDecade | 1930s ⓘ |
| manufacturer |
Oerlikon
NERFINISHED
ⓘ
Werkzeugmaschinenfabrik Oerlikon NERFINISHED ⓘ |
| mountingType |
quad mount
ⓘ
single mount ⓘ twin mount ⓘ |
| notableFeature |
high rate of fire
ⓘ
reliability in naval service ⓘ simplicity of design ⓘ |
| operation | blowback ⓘ |
| primaryRole | anti-aircraft warfare ⓘ |
| rateOfFire | approximately 450 rounds per minute ⓘ |
| secondaryRole | anti-surface warfare ⓘ |
| sightType |
optical sight
ⓘ
ring-and-bead sight ⓘ |
| triggerMechanism | hand-operated trigger ⓘ |
| typicalPlatform |
aircraft carrier
ⓘ
battleship ⓘ coastal defense position ⓘ cruiser ⓘ destroyer ⓘ merchant ship ⓘ |
| usedBy |
Imperial Japanese Navy
NERFINISHED
ⓘ
Kriegsmarine NERFINISHED ⓘ Royal Australian Navy NERFINISHED ⓘ Royal Canadian Navy NERFINISHED ⓘ Royal Navy ⓘ United States Army ⓘ United States Navy ⓘ |
| usedInConflict |
Falklands War
NERFINISHED
ⓘ
Korean War NERFINISHED ⓘ World War II ⓘ |
| widelyUsedBy | Allied navies during World War II ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Oerlikon 20 mm cannon
this entity surface form:
Oerlikon 20 mm cannons
this entity surface form:
Oerlikon 20 mm cannon