CFM International CFM56-7B turbofan
E149840
The CFM International CFM56-7B is a high-bypass turbofan engine widely used on modern commercial and military aircraft, particularly the Boeing 737 Next Generation series.
All labels observed (5)
| Label | Occurrences |
|---|---|
| CFM International CFM56 | 1 |
| CFM International CFM56-7B turbofan canonical | 1 |
| CFM56-7B24 | 1 |
| CFM56-7B26 | 1 |
| CFM56-7B27 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1313016 — 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: CFM International CFM56-7B turbofan Context triple: [Boeing P-8 Poseidon, powerplant, CFM International CFM56-7B turbofan]
-
A.
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.
-
B.
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.
-
C.
General Electric CF6
The General Electric CF6 is a widely used high-bypass turbofan aircraft engine that powers numerous commercial and military wide-body airliners.
-
D.
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a high-bypass turbofan engine family widely used on medium-range commercial and military transport aircraft.
-
E.
Pratt & Whitney JT8D
The Pratt & Whitney JT8D is a low-bypass turbofan jet engine widely used on early short- to medium-range airliners and known for powering many classic narrow-body aircraft of the 1960s–1980s.
- 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: CFM International CFM56-7B turbofan Target entity description: The CFM International CFM56-7B is a high-bypass turbofan engine widely used on modern commercial and military aircraft, particularly the Boeing 737 Next Generation series.
-
A.
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.
-
B.
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.
-
C.
General Electric CF6
The General Electric CF6 is a widely used high-bypass turbofan aircraft engine that powers numerous commercial and military wide-body airliners.
-
D.
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a high-bypass turbofan engine family widely used on medium-range commercial and military transport aircraft.
-
E.
Pratt & Whitney JT8D
The Pratt & Whitney JT8D is a low-bypass turbofan jet engine widely used on early short- to medium-range airliners and known for powering many classic narrow-body aircraft of the 1960s–1980s.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
high-bypass turbofan engine ⓘ |
| applicationType | narrow-body airliner ⓘ |
| bypassRatio | high bypass ratio ⓘ |
| certificationStandard | FAA Part 33 ⓘ |
| configuration | two-spool turbofan ⓘ |
| countryOfOrigin |
France
ⓘ
United States of America ⓘ
surface form:
United States
|
| designGoal |
extended on-wing time
ⓘ
increased reliability ⓘ lower operating cost ⓘ |
| developedBy |
Safran Aircraft Engines
ⓘ
surface form:
CFM International
General Electric ⓘ Safran Aircraft Engines ⓘ |
| emissionsCompliance |
International Civil Aviation Organization standards and recommended practices
ⓘ
surface form:
ICAO CAEP standards
|
| fuelType | Jet-A kerosene ⓘ |
| hasCompressor |
high-pressure compressor
ⓘ
low-pressure compressor ⓘ |
| hasFan | single-stage fan ⓘ |
| hasTurbine |
high-pressure turbine
ⓘ
low-pressure turbine ⓘ |
| hasVariant |
CFM International CFM56-7B turbofan
self-linksurface differs
ⓘ
surface form:
CFM56-7B24
CFM International CFM56-7B turbofan self-linksurface differs ⓘ
surface form:
CFM56-7B26
CFM International CFM56-7B turbofan self-linksurface differs ⓘ
surface form:
CFM56-7B27
|
| intendedUse |
commercial transport aircraft
ⓘ
military transport and patrol aircraft ⓘ |
| introducedFor |
Boeing 737
ⓘ
surface form:
Boeing 737 Next Generation program
|
| maintenanceConcept | on-condition maintenance ⓘ |
| manufacturer |
Safran Aircraft Engines
ⓘ
surface form:
CFM International
|
| marketRole | standard engine for Boeing 737 Next Generation ⓘ |
| notableFeature |
FADEC digital engine control
ⓘ
improved fuel efficiency over earlier CFM56 variants ⓘ reduced noise levels compared to earlier CFM56 versions ⓘ |
| partOfFamily |
CFM International CFM56
ⓘ
surface form:
CFM56 engine family
|
| primaryApplication |
Boeing 737
ⓘ
surface form:
Boeing 737 Next Generation
|
| successor |
CFM International LEAP-1B
ⓘ
surface form:
CFM LEAP-1B
|
| supportProgram | CFM aftermarket services ⓘ |
| thrustRange | approximately 19,500 to 27,300 lbf ⓘ |
| usedBy |
commercial airlines worldwide
ⓘ
military operators worldwide ⓘ |
| usedOnAircraft |
Boeing C-40
ⓘ
surface form:
Boeing 737 AEW&C
Boeing 737 ⓘ
surface form:
Boeing 737-600
Boeing 737-700 ⓘ Boeing 737-800 ⓘ Boeing 737 ⓘ
surface form:
Boeing 737-900
Boeing 737-900ER ⓘ Boeing P-8 Poseidon ⓘ
surface form:
P-8 Poseidon
|
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: CFM International CFM56-7B turbofan Description of subject: The CFM International CFM56-7B is a high-bypass turbofan engine widely used on modern commercial and military aircraft, particularly the Boeing 737 Next Generation series.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CFM International CFM56
CFM International CFM56-7B turbofan
→
hasVariant
→
CFM International CFM56-7B turbofan
self-linksurface differs
ⓘ
this entity surface form:
CFM56-7B24
CFM International CFM56-7B turbofan
→
hasVariant
→
CFM International CFM56-7B turbofan
self-linksurface differs
ⓘ
this entity surface form:
CFM56-7B26
CFM International CFM56-7B turbofan
→
hasVariant
→
CFM International CFM56-7B turbofan
self-linksurface differs
ⓘ
this entity surface form:
CFM56-7B27