Pratt & Whitney F135 engine
E11321
The Pratt & Whitney F135 engine is a high-performance turbofan developed for the F-35 Lightning II, notable for its advanced thrust, stealth, and (in the F-35B variant) short takeoff/vertical landing capabilities.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Pratt & Whitney F135 | 6 |
| Pratt & Whitney F135 engine canonical | 2 |
| Pratt & Whitney F135 turbofan | 2 |
| F135-PW-100 | 1 |
| F135-PW-400 | 1 |
| F135-PW-600 | 1 |
| Pratt & Whitney F119 | 1 |
| Pratt & Whitney F119 derivative | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T112123 — 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 F135 engine Context triple: [F-35B Lightning II, poweredBy, Pratt & Whitney F135 engine]
-
A.
F-35B Lightning II
The F-35B Lightning II is a fifth-generation, stealth, short takeoff and vertical landing (STOVL) multirole fighter jet used by several air arms, including the Royal Air Force and Royal Navy.
-
B.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
C.
Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
-
D.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
E.
AMRAAM air-to-air missile
The AMRAAM air-to-air missile is a widely used, beyond-visual-range, radar-guided weapon designed for modern fighter aircraft to engage and destroy airborne targets.
- 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 F135 engine Target entity description: The Pratt & Whitney F135 engine is a high-performance turbofan developed for the F-35 Lightning II, notable for its advanced thrust, stealth, and (in the F-35B variant) short takeoff/vertical landing capabilities.
-
A.
F-35B Lightning II
The F-35B Lightning II is a fifth-generation, stealth, short takeoff and vertical landing (STOVL) multirole fighter jet used by several air arms, including the Royal Air Force and Royal Navy.
-
B.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
C.
Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
-
D.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
E.
AMRAAM air-to-air missile
The AMRAAM air-to-air missile is a widely used, beyond-visual-range, radar-guided weapon designed for modern fighter aircraft to engage and destroy airborne targets.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
afterburning turbofan engine
ⓘ
military aircraft engine ⓘ |
| application | single-engine fighter ⓘ |
| configuration | two-spool turbofan ⓘ |
| controlSystem | FADEC ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedForRole |
fighter aircraft propulsion
ⓘ
strike aircraft propulsion ⓘ |
| designObjective |
high reliability
ⓘ
maintainability ⓘ reduced life-cycle cost ⓘ |
| developedFor |
Lockheed Martin F-35A Lightning II
ⓘ
surface form:
Lockheed Martin F-35 Lightning II
|
| enteredServiceWith |
Lockheed Martin F-35A Lightning II
ⓘ
surface form:
F-35A
F-35B Lightning II ⓘ
surface form:
F-35B
F-35C Lightning II ⓘ
surface form:
F-35C
|
| feature |
advanced turbine materials
ⓘ
afterburner ⓘ full authority digital engine control ⓘ high-pressure compressor ⓘ integrated prognostics and health monitoring ⓘ low observable exhaust system ⓘ modular design ⓘ shaft-driven lift fan integration (F-35B) ⓘ stealth-optimized nozzle ⓘ thrust vectoring nozzle (F135-PW-600) ⓘ |
| fuelType | aviation kerosene (jet fuel) ⓘ |
| hasVariant |
Pratt & Whitney F135 engine
self-linksurface differs
ⓘ
surface form:
F135-PW-100
Pratt & Whitney F135 engine self-linksurface differs ⓘ
surface form:
F135-PW-400
Pratt & Whitney F135 engine self-linksurface differs ⓘ
surface form:
F135-PW-600
|
| manufacturer | Pratt & Whitney ⓘ |
| notableFor |
high thrust-to-weight ratio
ⓘ
integration with STOVL lift system ⓘ supporting all three F-35 variants ⓘ |
| predecessor |
Pratt & Whitney F135 engine
self-linksurface differs
ⓘ
surface form:
Pratt & Whitney F119
|
| program |
Joint Strike Fighter program
ⓘ
surface form:
F-35 Joint Strike Fighter program
|
| relatedEngine | Rolls-Royce LiftSystem (F-35B integration) ⓘ |
| status | in service ⓘ |
| supportsCapability |
short takeoff and vertical landing
ⓘ
stealth operations ⓘ supersonic flight ⓘ |
| thrustClass | over 40,000 pounds of thrust with afterburner ⓘ |
| usedBy |
United States Air Force
ⓘ
United States Marine Corps ⓘ United States Navy ⓘ various F-35 export customers ⓘ |
| usedInAircraft |
Lockheed Martin F-35A Lightning II
ⓘ
surface form:
F-35A Lightning II
F-35B Lightning II ⓘ F-35C Lightning II ⓘ |
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 F135 engine Description of subject: The Pratt & Whitney F135 engine is a high-performance turbofan developed for the F-35 Lightning II, notable for its advanced thrust, stealth, and (in the F-35B variant) short takeoff/vertical landing capabilities.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Pratt & Whitney F135
this entity surface form:
Pratt & Whitney F119
subject surface form:
Pratt & Whitney F135
this entity surface form:
F135-PW-100
subject surface form:
Pratt & Whitney F135
this entity surface form:
F135-PW-400
subject surface form:
Pratt & Whitney F135
this entity surface form:
F135-PW-600
this entity surface form:
Pratt & Whitney F135
this entity surface form:
Pratt & Whitney F119 derivative
this entity surface form:
Pratt & Whitney F135
this entity surface form:
Pratt & Whitney F135
subject surface form:
Rolls-Royce LiftSystem
this entity surface form:
Pratt & Whitney F135 turbofan
this entity surface form:
Pratt & Whitney F135 turbofan
subject surface form:
Pratt & Whitney F100
this entity surface form:
Pratt & Whitney F135
this entity surface form:
Pratt & Whitney F135
this entity surface form:
Pratt & Whitney F135