MG 213 cannon
E387300
The MG 213 cannon was an experimental German 20/30 mm revolver aircraft cannon developed by Mauser during World War II that pioneered the revolver cannon design used in many postwar aircraft guns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MG 213 cannon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3747196 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MG 213 cannon Context triple: [Mauser, notableProduct, MG 213 cannon]
-
A.
MG 151 cannon
The MG 151 cannon is a World War II-era German 15/20 mm aircraft autocannon renowned for its high rate of fire and widespread use by the Luftwaffe.
-
B.
MG 131 machine gun
The MG 131 machine gun was a German 13 mm aircraft-mounted heavy machine gun used extensively by the Luftwaffe during World War II for defensive and offensive armament on various combat aircraft.
-
C.
MG 81 machine gun
The MG 81 machine gun was a fast-firing 7.92 mm German aircraft-mounted weapon used extensively by the Luftwaffe during World War II.
-
D.
Mauser BK-27 27 mm cannon
The Mauser BK-27 is a German-designed 27 mm revolver cannon widely used in modern fighter aircraft for high-rate, accurate air-to-air and air-to-ground fire.
-
E.
MG5 general-purpose machine gun
The MG5 general-purpose machine gun is a modern 7.62×51mm NATO belt-fed weapon used by the German military as a standard infantry and vehicle-mounted support gun.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MG 213 cannon Target entity description: The MG 213 cannon was an experimental German 20/30 mm revolver aircraft cannon developed by Mauser during World War II that pioneered the revolver cannon design used in many postwar aircraft guns.
-
A.
MG 151 cannon
The MG 151 cannon is a World War II-era German 15/20 mm aircraft autocannon renowned for its high rate of fire and widespread use by the Luftwaffe.
-
B.
MG 131 machine gun
The MG 131 machine gun was a German 13 mm aircraft-mounted heavy machine gun used extensively by the Luftwaffe during World War II for defensive and offensive armament on various combat aircraft.
-
C.
MG 81 machine gun
The MG 81 machine gun was a fast-firing 7.92 mm German aircraft-mounted weapon used extensively by the Luftwaffe during World War II.
-
D.
Mauser BK-27 27 mm cannon
The Mauser BK-27 is a German-designed 27 mm revolver cannon widely used in modern fighter aircraft for high-rate, accurate air-to-air and air-to-ground fire.
-
E.
MG5 general-purpose machine gun
The MG5 general-purpose machine gun is a modern 7.62×51mm NATO belt-fed weapon used by the German military as a standard infantry and vehicle-mounted support gun.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft cannon
ⓘ
autocannon ⓘ revolver cannon ⓘ |
| action | revolver mechanism ⓘ |
| ammunitionType |
20×82 mm
ⓘ
30×85 mmB ⓘ |
| barrels | 1 ⓘ |
| caliber |
20 mm
ⓘ
30 mm ⓘ |
| category |
20 mm artillery
ⓘ
30 mm artillery ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | Nazi Germany ⓘ |
| designDate | 1943 ⓘ |
| designedBy | Mauser engineers ⓘ |
| designedFor | Luftwaffe fighter aircraft ⓘ |
| designedInPeriod | early 1940s ⓘ |
| developer | Mauser ⓘ |
| era | World War II German weapons ⓘ |
| feedSystem | belt-fed ⓘ |
| firingMode | automatic ⓘ |
| influenced |
ADEN cannon
ⓘ
DEFA cannon ⓘ M39 cannon ⓘ Mauser BK-27 27 mm cannon ⓘ
surface form:
Revolverkanone BK-27
postwar revolver aircraft cannon designs ⓘ |
| intendedRole |
air-to-air weapon
ⓘ
fighter aircraft armament ⓘ |
| legacy | basis for several NATO aircraft guns ⓘ |
| manufacturer | Mauser ⓘ |
| mounting | internal aircraft gun installation ⓘ |
| notableFeature |
high rate of fire for its time
ⓘ
pioneered modern revolver cannon layout ⓘ |
| numberOfChambers | 5 ⓘ |
| operatingPrinciple | gas-operated revolver cylinder ⓘ |
| placement |
fuselage gun bay
ⓘ
wing root installation ⓘ |
| projectName | MG 213C ⓘ |
| propellant | cartridge-based ⓘ |
| status |
experimental weapon
ⓘ
not mass-produced ⓘ |
| usedIn | World War II ⓘ |
| variant |
MG 213C
ⓘ
surface form:
MG 213C/20
MG 213C ⓘ
surface form:
MG 213C/30
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: MG 213 cannon Description of subject: The MG 213 cannon was an experimental German 20/30 mm revolver aircraft cannon developed by Mauser during World War II that pioneered the revolver cannon design used in many postwar aircraft guns.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.