Chengdu J-20
E252058
The Chengdu J-20 is a Chinese fifth-generation stealth fighter jet designed for long-range air superiority and strike missions.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Chengdu J-20 canonical | 9 |
| Chengdu J-20 (early prototypes) | 1 |
| J-20 | 1 |
| 歼-20 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2212756 — 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: Chengdu J-20 Context triple: [Chinese Air Force, primaryFighterModel, Chengdu J-20]
-
A.
Chengdu J-10
The Chengdu J-10 is a Chinese multirole, single-engine fighter aircraft designed for air superiority and ground attack missions.
-
B.
Shenyang J-16
The Shenyang J-16 is a modern Chinese twin-engine multirole fighter jet derived from the Su-30 design, equipped with advanced avionics and precision strike capabilities.
-
C.
Xian H-6
The Xian H-6 is a Chinese license-built version of the Soviet Tu-16 strategic bomber, extensively modernized and used for long-range strike and maritime attack roles.
-
D.
KAI T-50 Golden Eagle
The KAI T-50 Golden Eagle is a South Korean supersonic advanced jet trainer and light combat aircraft developed by Korea Aerospace Industries with assistance from Lockheed Martin.
-
E.
Ye-6S
Ye-6S was a Soviet spacecraft bus platform used for early lunar orbiters such as Luna 10 during the space race.
- 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: Chengdu J-20 Target entity description: The Chengdu J-20 is a Chinese fifth-generation stealth fighter jet designed for long-range air superiority and strike missions.
-
A.
Chengdu J-10
The Chengdu J-10 is a Chinese multirole, single-engine fighter aircraft designed for air superiority and ground attack missions.
-
B.
Shenyang J-16
The Shenyang J-16 is a modern Chinese twin-engine multirole fighter jet derived from the Su-30 design, equipped with advanced avionics and precision strike capabilities.
-
C.
Xian H-6
The Xian H-6 is a Chinese license-built version of the Soviet Tu-16 strategic bomber, extensively modernized and used for long-range strike and maritime attack roles.
-
D.
KAI T-50 Golden Eagle
The KAI T-50 Golden Eagle is a South Korean supersonic advanced jet trainer and light combat aircraft developed by Korea Aerospace Industries with assistance from Lockheed Martin.
-
E.
Ye-6S
Ye-6S was a Soviet spacecraft bus platform used for early lunar orbiters such as Luna 10 during the space race.
- F. None of above. chosen
Statements (62)
| Predicate | Object |
|---|---|
| instanceOf |
fifth-generation fighter
ⓘ
stealth fighter aircraft ⓘ twin-engine jet fighter ⓘ |
| armament |
PL-10 air-to-air missile
ⓘ
PL-15 air-to-air missile ⓘ PL-21 air-to-air missile ⓘ
linked to:
PL-15 air-to-air missile
precision-guided munitions ⓘ |
| avionics |
active electronically scanned array radar
ⓘ
distributed aperture system ⓘ electro-optical targeting system ⓘ |
| belongsTo | PLAAF fifth-generation fighter program ⓘ |
| cockpit |
glass cockpit
ⓘ
helmet-mounted display ⓘ wide-angle holographic head-up display ⓘ |
| configuration | canard-delta ⓘ |
| countryOfOrigin | China ⓘ |
| crew | 1 ⓘ |
| cruiseCapability | supercruise ⓘ |
| designer |
601 Institute
ⓘ
Chengdu Aircraft Design Institute ⓘ
linked to:
Chengdu Aircraft Industry Group
|
| developer | Chengdu Aircraft Industry Group ⓘ |
| engineModel |
WS-10
ⓘ
WS-15 ⓘ |
| engineType | afterburning turbofan ⓘ |
| ferryRange | over 3,000 km ⓘ |
| firstFlightDate | 2011-01-11 ⓘ |
| firstPublicAppearance | 2011-01-11 ⓘ |
| firstPublicParade | 2017-07-30 ⓘ |
| flyByWire | yes ⓘ |
| generation | fifth-generation ⓘ |
| height | approximately 4.45 m ⓘ |
| intendedMission |
anti-access/area denial
ⓘ
long-range air superiority ⓘ long-range strike ⓘ |
| introductionDate | 2017-03 ⓘ |
| length | approximately 20.3 m ⓘ |
| manufacturer | Chengdu Aircraft Industry Group ⓘ |
| maxSpeed | approximately Mach 2 ⓘ |
| maxTakeoffWeight | over 34,000 kg ⓘ |
| nativeName |
歼-20
ⓘ
linked to:
Chengdu J-20
|
| NATOReportingName | Firefang ⓘ |
| operator |
People's Liberation Army Air Force
ⓘ
linked to:
Chinese Air Force
|
| powerplant | twin turbofan engines ⓘ |
| primaryUser |
People's Liberation Army Air Force
ⓘ
linked to:
Chinese Air Force
|
| programStart | late 1990s ⓘ |
| range | over 1,200 km combat radius ⓘ |
| role |
air superiority fighter
ⓘ
interceptor ⓘ multirole fighter ⓘ strike aircraft ⓘ |
| serviceCeiling | approximately 20,000 m ⓘ |
| serviceEntry | 2017 ⓘ |
| status | in service ⓘ |
| stealthFeature |
internal weapons bays
ⓘ
planform alignment ⓘ radar-absorbent materials ⓘ |
| tailType | all-moving vertical stabilizers ⓘ |
| usedIn | Chinese air defense network ⓘ |
| weaponsBay |
main internal weapons bay
ⓘ
side internal weapons bays ⓘ |
| wingspan | approximately 12.9 m ⓘ |
| wingType | delta wing ⓘ |
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: Chengdu J-20 Description of subject: The Chengdu J-20 is a Chinese fifth-generation stealth fighter jet designed for long-range air superiority and strike missions.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Chengdu J-20
subject linked to:
WS-10 Taihang turbofan
linked to: Chengdu J-20
linked to: Chengdu J-20
subject linked to:
PL-15 air-to-air missile
subject linked to:
PL-10 air-to-air missile