Pratt & Whitney PW4000
E129462
The Pratt & Whitney PW4000 is a family of high-bypass turbofan engines widely used on large commercial wide-body aircraft such as the Boeing 747, 767, and Airbus A330.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Pratt & Whitney PW4000 canonical | 6 |
| Pratt & Whitney PW4056 | 1 |
| Pratt & Whitney PW4460 | 1 |
| Pratt & Whitney PW4462 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1070721 — 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: Pratt & Whitney PW4000 Context triple: [Boeing 767, engineType, Pratt & Whitney PW4000]
-
A.
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a high-bypass turbofan engine family widely used on medium-range commercial and military transport aircraft.
-
B.
General Electric F404
The General Electric F404 is a family of afterburning turbofan jet engines widely used in modern fighter aircraft for their reliability, high thrust-to-weight ratio, and ease of maintenance.
-
C.
Pratt & Whitney F117-PW-100
The Pratt & Whitney F117-PW-100 is a high-bypass turbofan jet engine used to power the Boeing C-17 Globemaster III military transport aircraft.
-
D.
Pratt & Whitney JT9D
The Pratt & Whitney JT9D is a high-bypass turbofan jet engine that powered early wide-body airliners and was notably used on the original Boeing 747 series.
-
E.
Rolls-Royce RB211
The Rolls-Royce RB211 is a high-bypass turbofan jet engine that was pioneering in its use of advanced materials and technology and became a cornerstone powerplant for wide-body airliners.
- 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: Pratt & Whitney PW4000 Target entity description: The Pratt & Whitney PW4000 is a family of high-bypass turbofan engines widely used on large commercial wide-body aircraft such as the Boeing 747, 767, and Airbus A330.
-
A.
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a high-bypass turbofan engine family widely used on medium-range commercial and military transport aircraft.
-
B.
General Electric F404
The General Electric F404 is a family of afterburning turbofan jet engines widely used in modern fighter aircraft for their reliability, high thrust-to-weight ratio, and ease of maintenance.
-
C.
Pratt & Whitney F117-PW-100
The Pratt & Whitney F117-PW-100 is a high-bypass turbofan jet engine used to power the Boeing C-17 Globemaster III military transport aircraft.
-
D.
Pratt & Whitney JT9D
The Pratt & Whitney JT9D is a high-bypass turbofan jet engine that powered early wide-body airliners and was notably used on the original Boeing 747 series.
-
E.
Rolls-Royce RB211
The Rolls-Royce RB211 is a high-bypass turbofan jet engine that was pioneering in its use of advanced materials and technology and became a cornerstone powerplant for wide-body airliners.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
turbofan engine
ⓘ
turbofan engine ⓘ turbofan engine ⓘ turbofan engine family ⓘ |
| application |
commercial aircraft
ⓘ
wide-body aircraft ⓘ |
| bypassRatio | high ⓘ |
| combustorType | annular combustor ⓘ |
| compressionSystem | axial-flow compressor ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| engineType | high-bypass turbofan ⓘ |
| familyMember |
PW4000 series
ⓘ
surface form:
PW4000-100
PW4000 series ⓘ
surface form:
PW4000-112
PW4000 series ⓘ
surface form:
PW4000-94
|
| fanDiameter |
100 inch
ⓘ
112 inch ⓘ 94 inch ⓘ |
| fuelType | aviation kerosene ⓘ |
| intendedRole | long-haul operations ⓘ |
| introducedFor | replacement of JT9D family ⓘ |
| manufacturer | Pratt & Whitney ⓘ |
| marketSegment | wide-body twin-aisle ⓘ |
| notableOperator |
Japan Airlines
ⓘ
Korean Air ⓘ Lufthansa ⓘ United Airlines ⓘ |
| status | in service ⓘ |
| successorTo | Pratt & Whitney JT9D ⓘ |
| thrustClass |
52,000–62,000 lbf
ⓘ
64,000–70,000 lbf ⓘ 74,000–99,000 lbf ⓘ |
| thrustRange | 52,000–99,000 lbf ⓘ |
| usedOnAircraft |
Airbus A330
ⓘ
Airbus A330 ⓘ Airbus A330 ⓘ
surface form:
Airbus A330-200
Airbus A330 ⓘ
surface form:
Airbus A330-300
Boeing 747 ⓘ Boeing 747 ⓘ
surface form:
Boeing 747-400
Boeing 747 ⓘ
surface form:
Boeing 747-400
Boeing 767 ⓘ Boeing 767 ⓘ Boeing 767 ⓘ
surface form:
Boeing 767-200
Boeing 767 ⓘ
surface form:
Boeing 767-300
Boeing 767 ⓘ
surface form:
Boeing 767-400ER
Boeing 777 ⓘ Boeing 777 ⓘ Boeing 777 ⓘ
surface form:
Boeing 777-200
Boeing 777 ⓘ
surface form:
Boeing 777-300
McDonnell Douglas MD-11 ⓘ McDonnell Douglas MD-11 ⓘ |
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: Pratt & Whitney PW4000 Description of subject: The Pratt & Whitney PW4000 is a family of high-bypass turbofan engines widely used on large commercial wide-body aircraft such as the Boeing 747, 767, and Airbus A330.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pratt & Whitney PW4056
this entity surface form:
Pratt & Whitney PW4460
this entity surface form:
Pratt & Whitney PW4462