MG 131 machine gun
E93225
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| MG 131 machine gun canonical | 1 |
| MG 3 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T750113 — 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 131 machine gun Context triple: [Heinkel He 177, armament, MG 131 machine gun]
-
A.
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.
-
B.
Maxim machine gun
The Maxim machine gun is a pioneering late 19th-century recoil-operated, water-cooled heavy machine gun that became one of the first fully automatic weapons widely adopted by major armies around the world.
-
C.
MG 42 machine gun
The MG 42 machine gun is a German World War II-era general-purpose machine gun renowned for its extremely high rate of fire, reliability, and influential design that shaped postwar machine guns worldwide.
-
D.
7.62 mm M240 machine gun
The 7.62 mm M240 machine gun is a belt-fed, gas-operated general-purpose machine gun widely used by U.S. and NATO forces for infantry support and as a mounted weapon on vehicles and aircraft.
-
E.
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.
- 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 131 machine gun Target entity description: 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.
-
A.
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.
-
B.
Maxim machine gun
The Maxim machine gun is a pioneering late 19th-century recoil-operated, water-cooled heavy machine gun that became one of the first fully automatic weapons widely adopted by major armies around the world.
-
C.
MG 42 machine gun
The MG 42 machine gun is a German World War II-era general-purpose machine gun renowned for its extremely high rate of fire, reliability, and influential design that shaped postwar machine guns worldwide.
-
D.
7.62 mm M240 machine gun
The 7.62 mm M240 machine gun is a belt-fed, gas-operated general-purpose machine gun widely used by U.S. and NATO forces for infantry support and as a mounted weapon on vehicles and aircraft.
-
E.
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.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft machine gun
ⓘ
autocannon substitute ⓘ heavy machine gun ⓘ |
| ammunitionType |
armor-piercing
ⓘ
armor-piercing incendiary ⓘ high-explosive incendiary ⓘ tracer ⓘ |
| caliber |
13 mm
ⓘ
13×64mmB ⓘ |
| conflictBelligerent | Nazi Germany ⓘ |
| coolingSystem | air-cooled ⓘ |
| countryOfOrigin | Germany ⓘ |
| designedBy |
Rheinmetall
ⓘ
surface form:
Rheinmetall-Borsig
|
| designedFor | aircraft armament ⓘ |
| feedSystem | belt-fed ⓘ |
| introduced | early 1940s ⓘ |
| mountingType |
fixed aircraft mount
ⓘ
flexible aircraft mount ⓘ |
| muzzleVelocity | approximately 750 m/s ⓘ |
| notableFeature |
compact design for its caliber
ⓘ
electrically fired in many installations ⓘ synchronized firing through propeller arc in some fighters ⓘ |
| operation | recoil-operated ⓘ |
| primaryRole |
defensive armament
ⓘ
offensive armament ⓘ |
| rateOfFire | about 900 rounds per minute ⓘ |
| replaced |
MG 15 machine gun in many defensive positions
ⓘ
MG 17 machine gun in many fixed mounts ⓘ |
| serviceEntry | 1940 ⓘ |
| usedBy | Luftwaffe ⓘ |
| usedInConflict | World War II ⓘ |
| usedOnAircraft |
Arado Ar 234
ⓘ
Blohm & Voss BV 222 ⓘ Blohm & Voss BV 238 ⓘ Dornier Do 217 ⓘ Dornier Do 217 ⓘ
surface form:
Dornier Do 217N
Focke-Wulf Fw 190 ⓘ Focke-Wulf Ta 154 ⓘ Heinkel He 111 ⓘ Heinkel He 177 ⓘ Heinkel He 219 ⓘ Junkers Ju 88 ⓘ
surface form:
Junkers Ju 188
Junkers Ju 290 ⓘ Junkers Ju 388 ⓘ Junkers Ju 88 ⓘ Messerschmitt Bf 109 ⓘ Messerschmitt Bf 110 ⓘ Messerschmitt Me 210 ⓘ Messerschmitt Me 262 ⓘ Messerschmitt Me 210 ⓘ
surface form:
Messerschmitt Me 410
|
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 131 machine gun Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
MG 42
this entity surface form:
MG 3