Allison 501 civil engine family
E398174
The Allison 501 civil engine family is a series of turboprop engines derived from the military T56, widely used in commercial and industrial aviation applications.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Allison 501 civil engine family canonical | 1 |
| Allison 501-D13 | 1 |
| Allison 501-D22 | 1 |
| Allison 501-D36 | 1 |
| Allison 501-D39 | 1 |
| Allison 501/T56 engine family | 1 |
| Allison T56 engine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3898501 — 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: Allison 501 civil engine family Context triple: [Allison T56, family, Allison 501 civil engine family]
-
A.
Allison V-1710
The Allison V-1710 is an American liquid-cooled V-12 aircraft engine widely used in World War II fighters, including early variants of the P-51 Mustang and the P-38 Lightning.
-
B.
Continental AV-1790-3 gasoline engine
The Continental AV-1790-3 is a large, air-cooled V12 gasoline engine developed in the mid-20th century to power American heavy armored vehicles such as the M46 Patton tank.
-
C.
Continental R975 radial engine
The Continental R975 radial engine is a nine-cylinder air-cooled gasoline aircraft engine widely adapted during World War II to power U.S. armored vehicles, most notably the M4 Sherman medium tank.
-
D.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
E.
Allison J35 turbojet
The Allison J35 turbojet was an early American axial-flow jet engine widely used in the late 1940s and 1950s to power several pioneering military aircraft.
- 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: Allison 501 civil engine family Target entity description: The Allison 501 civil engine family is a series of turboprop engines derived from the military T56, widely used in commercial and industrial aviation applications.
-
A.
Allison V-1710
The Allison V-1710 is an American liquid-cooled V-12 aircraft engine widely used in World War II fighters, including early variants of the P-51 Mustang and the P-38 Lightning.
-
B.
Continental AV-1790-3 gasoline engine
The Continental AV-1790-3 is a large, air-cooled V12 gasoline engine developed in the mid-20th century to power American heavy armored vehicles such as the M46 Patton tank.
-
C.
Continental R975 radial engine
The Continental R975 radial engine is a nine-cylinder air-cooled gasoline aircraft engine widely adapted during World War II to power U.S. armored vehicles, most notably the M4 Sherman medium tank.
-
D.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
E.
Allison J35 turbojet
The Allison J35 turbojet was an early American axial-flow jet engine widely used in the late 1940s and 1950s to power several pioneering military aircraft.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
turboprop engine family ⓘ |
| application |
civil aviation
ⓘ
commercial aviation ⓘ industrial aviation ⓘ |
| compressorType | axial-flow compressor ⓘ |
| configuration | twin-spool ⓘ |
| coolingSystem | air-cooled turbine ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| derivedFrom |
Allison T56
ⓘ
linked to:
Allison 501
|
| engineType | turboprop ⓘ |
| familyIncludes |
Allison 501-D13
ⓘ
linked to:
Allison 501 civil engine family
Allison 501-D22 ⓘ
linked to:
Allison 501 civil engine family
Allison 501-D36 ⓘ
linked to:
Allison 501 civil engine family
Allison 501-D39 ⓘ
linked to:
Allison 501 civil engine family
|
| firstRunPeriod | 1950s ⓘ |
| fuelType | aviation kerosene ⓘ |
| ignitionSystem | dual ignition ⓘ |
| introducedAsCivilVersionOf |
T56 military turboprop
ⓘ
linked to:
Allison T56 turboprop
|
| manufacturer |
Allison Engine Company
ⓘ
Rolls-Royce Allison ⓘ |
| marketSegment | medium-power turboprop ⓘ |
| notableFeature |
high reliability in commercial service
ⓘ
long time-on-wing capability ⓘ |
| powerTransmission | reduction gearbox ⓘ |
| propellerDrive | constant-speed propeller ⓘ |
| relatedEngineFamily |
Allison T56
ⓘ
linked to:
T56-A series
|
| starterType | air starter (typical installation) ⓘ |
| successor |
Rolls-Royce AE 2100 (in some applications)
ⓘ
linked to:
Rolls-Royce AE 2100
|
| thrustClass | shaft power class up to several thousand shp ⓘ |
| turbineType | axial-flow turbine ⓘ |
| usedFor |
aerial survey
ⓘ
firefighting tankers ⓘ freight operations ⓘ oil and gas industry support aircraft ⓘ passenger services ⓘ special mission aircraft ⓘ |
| usedIn |
Convair 580
ⓘ
linked to:
Convair 540
Convair 600 ⓘ
linked to:
Convair 540
Convair 640 ⓘ
linked to:
Convair 540
L-100 Hercules (civil C-130 variant) ⓘ
linked to:
Lockheed C-130 Hercules
Lockheed L-188 Electra ⓘ P-3 Orion civil derivatives ⓘ Vickers Viscount (re‑engined examples) ⓘ
linked to:
Vickers Viscount airliner
aerial firefighting aircraft ⓘ cargo aircraft ⓘ maritime patrol aircraft (civil variants) ⓘ regional airliners ⓘ |
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: Allison 501 civil engine family Description of subject: The Allison 501 civil engine family is a series of turboprop engines derived from the military T56, widely used in commercial and industrial aviation applications.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Allison T56 turboprop
linked to: Allison 501 civil engine family
subject linked to:
Allison 501 civil engine family
linked to: Allison 501 civil engine family
subject linked to:
Allison 501 civil engine family
linked to: Allison 501 civil engine family
subject linked to:
Allison 501 civil engine family
linked to: Allison 501 civil engine family
subject linked to:
Allison 501 civil engine family
linked to: Allison 501 civil engine family
linked to: Allison 501 civil engine family