Northrop F-20 Tigershark
E483530
The Northrop F-20 Tigershark was a lightweight, single-engine supersonic fighter aircraft developed in the 1980s as an advanced, export-oriented evolution of the F-5, featuring modern avionics and improved performance but never entering mass production.
All labels observed (3)
| Label | Occurrences |
|---|---|
| F-20 Tigershark | 1 |
| Northrop F-20 Tigershark canonical | 1 |
| Northrop F-5E Tiger II | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4949756 — 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: Northrop F-20 Tigershark Context triple: [General Electric F404, usedIn, Northrop F-20 Tigershark]
-
A.
F-5 Freedom Fighter
The F-5 Freedom Fighter is a lightweight supersonic fighter aircraft developed by Northrop in the United States and widely exported for use by numerous air forces around the world.
-
B.
Northrop YF-17
The Northrop YF-17 was a lightweight prototype fighter aircraft developed in the 1970s that served as the design basis for the later F/A-18 Hornet.
-
C.
McDonnell F-4 Phantom II
The McDonnell F-4 Phantom II is a twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber that became one of the most widely used and iconic combat aircraft of the Cold War era.
-
D.
F-5
The F-5 is Brock Lesnar’s signature professional wrestling finishing move, known for its spinning fireman’s carry drop that emphasizes his power and impact.
-
E.
F-16 Fighting Falcon
The F-16 Fighting Falcon is a highly maneuverable, multirole jet fighter widely used by air forces around the world for both air-to-air combat and ground-attack missions.
- 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: Northrop F-20 Tigershark Target entity description: The Northrop F-20 Tigershark was a lightweight, single-engine supersonic fighter aircraft developed in the 1980s as an advanced, export-oriented evolution of the F-5, featuring modern avionics and improved performance but never entering mass production.
-
A.
F-5 Freedom Fighter
The F-5 Freedom Fighter is a lightweight supersonic fighter aircraft developed by Northrop in the United States and widely exported for use by numerous air forces around the world.
-
B.
Northrop YF-17
The Northrop YF-17 was a lightweight prototype fighter aircraft developed in the 1970s that served as the design basis for the later F/A-18 Hornet.
-
C.
McDonnell F-4 Phantom II
The McDonnell F-4 Phantom II is a twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber that became one of the most widely used and iconic combat aircraft of the Cold War era.
-
D.
F-5
The F-5 is Brock Lesnar’s signature professional wrestling finishing move, known for its spinning fireman’s carry drop that emphasizes his power and impact.
-
E.
F-16 Fighting Falcon
The F-16 Fighting Falcon is a highly maneuverable, multirole jet fighter widely used by air forces around the world for both air-to-air combat and ground-attack missions.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fighter aircraft
ⓘ
prototype aircraft ⓘ |
| aircraftCategory | supersonic jet ⓘ |
| aircraftRole |
air defense fighter
ⓘ
lightweight fighter ⓘ |
| armamentCapability |
20 mm cannon
ⓘ
AIM-7 Sparrow ⓘ
linked to:
AIM-7 Sparrow missiles
AIM-9 Sidewinder ⓘ
linked to:
AIM-9 Sidewinder missiles
air-to-ground munitions ⓘ |
| avionicsFeature |
hands-on-throttle-and-stick controls
ⓘ
head-up display ⓘ modern navigation and attack systems ⓘ modern pulse-Doppler radar ⓘ |
| climbPerformance | high climb rate ⓘ |
| controlSystem | conventional mechanical controls ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crew | 1 ⓘ |
| designGoal |
ease of maintenance
ⓘ
high reliability ⓘ low operating cost ⓘ |
| designOrigin |
Northrop F-5 Freedom Fighter
ⓘ
linked to:
F-5 Freedom Fighter
Northrop F-5E Tiger II ⓘ
linked to:
Northrop F-20 Tigershark
|
| developedInDecade | 1980s ⓘ |
| engineConfiguration | single-engine ⓘ |
| firstFlightDate | 1982-08-30 ⓘ |
| intendedMarket | foreign air forces ⓘ |
| intendedMission |
air superiority
ⓘ
ground attack ⓘ |
| landingGear | tricycle retractable landing gear ⓘ |
| manufacturer |
Northrop Corporation
ⓘ
linked to:
Northrop Grumman
|
| maximumSpeed | approximately 2,100 km/h ⓘ |
| maximumSpeedMach | 2.0 ⓘ |
| notableFeature |
advanced radar for its class
ⓘ
high thrust-to-weight ratio ⓘ rapid scramble capability ⓘ |
| numberBuilt | 3 prototypes ⓘ |
| powerplant | General Electric F404 ⓘ |
| previousDesignation |
F-5G
ⓘ
linked to:
F-5 Freedom Fighter
|
| primaryUse | export fighter program ⓘ |
| programName |
F-20 Tigershark
ⓘ
linked to:
Northrop F-20 Tigershark
|
| programOutcome |
lost out to F-16 Fighting Falcon in export market
ⓘ
no major export orders ⓘ |
| propulsionType | turbofan ⓘ |
| serviceCeiling | about 55,000 ft ⓘ |
| status |
not mass-produced
ⓘ
program cancelled ⓘ |
| takeoffPerformance | short takeoff distance ⓘ |
| wingConfiguration | low-wing monoplane ⓘ |
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: Northrop F-20 Tigershark Description of subject: The Northrop F-20 Tigershark was a lightweight, single-engine supersonic fighter aircraft developed in the 1980s as an advanced, export-oriented evolution of the F-5, featuring modern avionics and improved performance but never entering mass production.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Northrop F-20 Tigershark
linked to: Northrop F-20 Tigershark