A-4 Skyhawk
E81551
The A-4 Skyhawk is a compact, carrier-capable American attack jet widely used during the Cold War, particularly noted for its role in the Vietnam War and service with several allied air forces.
All labels observed (13)
| Label | Occurrences |
|---|---|
| A-4 Skyhawk canonical | 10 |
| Douglas A-4 Skyhawk | 9 |
| A-4F | 3 |
| A-4E | 2 |
| A-4M | 2 |
| A-4 Skyhawk family | 1 |
| A-4 series | 1 |
| A-4A | 1 |
| A-4B | 1 |
| A-4C | 1 |
| A-4N | 1 |
| Douglas A-4 Skyhawk attack jet | 1 |
| McDonnell Douglas A-4 Skyhawk | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T649490 — 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: A-4 Skyhawk Context triple: [Royal New Zealand Air Force, notableAircraft, A-4 Skyhawk]
-
A.
F/A-18 Hornet
The F/A-18 Hornet is a twin-engine, supersonic, multirole combat jet used by the U.S. Navy and Marine Corps and several allied air forces for both fighter and attack missions.
-
B.
CF-18 Hornet
The CF-18 Hornet is a Canadian variant of the McDonnell Douglas F/A-18 fighter aircraft, used as a multirole combat jet for air defense and ground attack missions.
-
C.
Douglas TBD Devastator
The Douglas TBD Devastator was an American World War II-era torpedo bomber used by the U.S. Navy, notably in the early Pacific battles where its obsolescence and heavy losses highlighted the need for more advanced carrier-based aircraft.
-
D.
Convair T-29
The Convair T-29 is a military trainer and transport aircraft developed from the Convair 240 airliner and used primarily by the U.S. Air Force for navigation and radar training.
-
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: A-4 Skyhawk Target entity description: The A-4 Skyhawk is a compact, carrier-capable American attack jet widely used during the Cold War, particularly noted for its role in the Vietnam War and service with several allied air forces.
-
A.
F/A-18 Hornet
The F/A-18 Hornet is a twin-engine, supersonic, multirole combat jet used by the U.S. Navy and Marine Corps and several allied air forces for both fighter and attack missions.
-
B.
CF-18 Hornet
The CF-18 Hornet is a Canadian variant of the McDonnell Douglas F/A-18 fighter aircraft, used as a multirole combat jet for air defense and ground attack missions.
-
C.
Douglas TBD Devastator
The Douglas TBD Devastator was an American World War II-era torpedo bomber used by the U.S. Navy, notably in the early Pacific battles where its obsolescence and heavy losses highlighted the need for more advanced carrier-based aircraft.
-
D.
Convair T-29
The Convair T-29 is a military trainer and transport aircraft developed from the Convair 240 airliner and used primarily by the U.S. Air Force for navigation and radar training.
-
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 (68)
| Predicate | Object |
|---|---|
| instanceOf |
attack aircraft
ⓘ
carrier-capable aircraft ⓘ jet aircraft ⓘ military aircraft ⓘ |
| armamentFixed | 2 × 20 mm Colt Mk 12 cannon ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 1 ⓘ |
| designedFor | aircraft carrier operations ⓘ |
| designer | Ed Heinemann ⓘ |
| enteredServiceWith | United States Navy ⓘ |
| era | Cold War ⓘ |
| feature |
folding wings not required due to compact size
ⓘ
high maneuverability ⓘ in-flight refueling capability ⓘ single-engine design ⓘ |
| firstFlight | 1954-06-22 ⓘ |
| hardpoints | 5 external hardpoints ⓘ |
| introduced | 1956 ⓘ |
| landingGear | tricycle landing gear ⓘ |
| manufacturer |
Douglas Aircraft Company
ⓘ
McDonnell Douglas ⓘ |
| maxOrdnanceLoad |
about 4,490 kg
ⓘ
about 9,900 lb ⓘ |
| maxSpeed |
about 1,080 km/h
ⓘ
about 670 mph ⓘ |
| nicknamed |
Heinemann's Hot Rod
ⓘ
Scooter ⓘ Tinker Toy ⓘ |
| notableOperator |
Brazilian Navy
ⓘ
Republic of Singapore Air Force ⓘ
surface form:
Singapore Air Force
|
| notedFor |
extensive use in the Vietnam War
ⓘ
service with multiple allied air forces ⓘ |
| numberBuilt | about 2,960 ⓘ |
| powerplant | 1 × Wright J65 turbojet ⓘ |
| powerplantVariant | 1 × Pratt & Whitney J52 turbojet ⓘ |
| primaryUser |
Argentine Navy
ⓘ
surface form:
Argentine Naval Aviation
Israeli Air Force ⓘ Kuwait Air Force ⓘ Royal Australian Navy ⓘ Royal New Zealand Air Force ⓘ United States Marine Corps ⓘ United States Navy ⓘ |
| productionPeriod | 1954–1979 ⓘ |
| retiredFromUSNService | 2003 ⓘ |
| role |
close air support
ⓘ
ground-attack ⓘ strike fighter ⓘ trainer aircraft ⓘ |
| serviceCeiling |
about 12,880 m
ⓘ
about 42,250 ft ⓘ |
| usedByBlueAngelsPeriod | 1974–1986 ⓘ |
| usedByDisplayTeam | Blue Angels ⓘ |
| usedInConflict |
Falklands War
ⓘ
Six-Day War ⓘ Vietnam War ⓘ War of Attrition ⓘ Yom Kippur War ⓘ |
| variant |
A-4 Skyhawk
self-linksurface differs
ⓘ
surface form:
A-4A
A-4 Skyhawk self-linksurface differs ⓘ
surface form:
A-4B
A-4 Skyhawk self-linksurface differs ⓘ
surface form:
A-4C
A-4 Skyhawk self-linksurface differs ⓘ
surface form:
A-4E
A-4 Skyhawk self-linksurface differs ⓘ
surface form:
A-4F
A-4K ⓘ A-4 Skyhawk self-linksurface differs ⓘ
surface form:
A-4M
A-4 Skyhawk self-linksurface differs ⓘ
surface form:
A-4N
TA-4J ⓘ |
| wingConfiguration | low-wing monoplane ⓘ |
| 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: A-4 Skyhawk Description of subject: The A-4 Skyhawk is a compact, carrier-capable American attack jet widely used during the Cold War, particularly noted for its role in the Vietnam War and service with several allied air forces.
Referenced by (34)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
McDonnell Douglas A-4 Skyhawk
this entity surface form:
Douglas A-4 Skyhawk
this entity surface form:
A-4A
this entity surface form:
A-4B
this entity surface form:
A-4C
this entity surface form:
A-4E
this entity surface form:
A-4F
this entity surface form:
A-4M
this entity surface form:
A-4N
this entity surface form:
Douglas A-4 Skyhawk
subject surface form:
Operation Pierce Arrow
this entity surface form:
Douglas A-4 Skyhawk
subject surface form:
Douglas A-4 Skyhawk
this entity surface form:
A-4E
subject surface form:
Douglas A-4 Skyhawk
this entity surface form:
A-4F
subject surface form:
Douglas A-4 Skyhawk
this entity surface form:
A-4M
this entity surface form:
Douglas A-4 Skyhawk
this entity surface form:
A-4 Skyhawk family
this entity surface form:
Douglas A-4 Skyhawk
this entity surface form:
Douglas A-4 Skyhawk attack jet
this entity surface form:
Douglas A-4 Skyhawk
this entity surface form:
A-4 series
this entity surface form:
A-4F