Convair 580 (turboprop conversion)
E944616
The Convair 580 is a turboprop airliner converted from earlier Convair piston-powered models, featuring upgraded engines and performance for regional passenger and cargo operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Convair 580 (turboprop conversion) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11746015 — 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: Convair 580 (turboprop conversion) Context triple: [Convair 440, successor, Convair 580 (turboprop conversion)]
-
A.
Convair 440
The Convair 440 is a twin-engine, short- to medium-range commercial airliner developed in the 1950s as an improved, pressurized variant of Convair’s successful series of piston-powered passenger aircraft.
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B.
Convair 990 Coronado
The Convair 990 Coronado was a narrow-body jet airliner introduced in the early 1960s, known for being one of the fastest commercial passenger aircraft ever built.
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C.
Convair 880
The Convair 880 was a narrow-body jet airliner introduced in the early 1960s, known for its high speed but limited commercial success compared to contemporaries like the Boeing 707.
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D.
Convair 340
The Convair 340 is an American twin‑engine, pressurized short- to medium-haul airliner developed in the early 1950s as an enlarged and improved member of Convair’s successful family of piston-powered transports.
-
E.
Convair 240
The Convair 240 is a twin‑engine, pressurized short- to medium-haul airliner introduced in the late 1940s and widely used by airlines and military operators around the world.
- 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: Convair 580 (turboprop conversion) Target entity description: The Convair 580 is a turboprop airliner converted from earlier Convair piston-powered models, featuring upgraded engines and performance for regional passenger and cargo operations.
-
A.
Convair 440
The Convair 440 is a twin-engine, short- to medium-range commercial airliner developed in the 1950s as an improved, pressurized variant of Convair’s successful series of piston-powered passenger aircraft.
-
B.
Convair 990 Coronado
The Convair 990 Coronado was a narrow-body jet airliner introduced in the early 1960s, known for being one of the fastest commercial passenger aircraft ever built.
-
C.
Convair 880
The Convair 880 was a narrow-body jet airliner introduced in the early 1960s, known for its high speed but limited commercial success compared to contemporaries like the Boeing 707.
-
D.
Convair 340
The Convair 340 is an American twin‑engine, pressurized short- to medium-haul airliner developed in the early 1950s as an enlarged and improved member of Convair’s successful family of piston-powered transports.
-
E.
Convair 240
The Convair 240 is a twin‑engine, pressurized short- to medium-haul airliner introduced in the late 1940s and widely used by airlines and military operators around the world.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft type conversion
ⓘ
regional airliner ⓘ turboprop airliner ⓘ |
| aircraftCategory |
civil airliner
ⓘ
transport aircraft ⓘ |
| aircraftConfiguration | narrow‑body ⓘ |
| aircraftType | twin‑engine turboprop ⓘ |
| airframeOrigin | converted existing Convair piston airframes ⓘ |
| basedOn |
Convair CV-340
NERFINISHED
ⓘ
Convair CV-440 NERFINISHED ⓘ |
| conversionFrom | piston‑engined airliner ⓘ |
| conversionProgramStart | 1960s ⓘ |
| conversionPurpose |
extended service life of Convair piston fleet
ⓘ
improved fuel efficiency ⓘ improved takeoff performance ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 2 pilots ⓘ |
| engineModel |
Allison 501‑D13
NERFINISHED
ⓘ
Allison 501‑D13D NERFINISHED ⓘ |
| engineType | turboprop ⓘ |
| enteredServiceDecade | 1960s ⓘ |
| firstFlightAs580 | 1960 GENERATED ⓘ |
| fuselageType | pressurized ⓘ |
| improvedPerformanceComparedTo |
Convair CV‑340
NERFINISHED
ⓘ
Convair CV‑440 NERFINISHED ⓘ |
| landingGearType | retractable tricycle landing gear ⓘ |
| manufacturer | Convair NERFINISHED ⓘ |
| marketedFor |
freight operations
ⓘ
regional passenger services ⓘ |
| numberOfEngines | 2 ⓘ |
| powerplantUpgradeFrom | Pratt & Whitney R‑2800 radial engines NERFINISHED ⓘ |
| powerplantUpgradeTo | Allison 501 turboprop engines NERFINISHED ⓘ |
| pressurization | cabin pressurized for high‑altitude flight ⓘ |
| primaryRole | regional passenger transport ⓘ |
| propellerType | constant‑speed reversible propeller ⓘ |
| propulsionConfiguration | twin‑turboprop ⓘ |
| rangeClass | short‑ to medium‑range ⓘ |
| secondaryRole |
cargo transport
ⓘ
combi passenger‑cargo operations ⓘ |
| tailConfiguration | conventional tail ⓘ |
| typicalOperatorType |
cargo airline
ⓘ
charter operator ⓘ regional airline ⓘ |
| typicalPassengerCapacity | 50 passengers ⓘ |
| usedFor |
cargo feeder services
ⓘ
charter flights ⓘ scheduled passenger services ⓘ |
| wingConfiguration | low‑wing monoplane ⓘ |
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: Convair 580 (turboprop conversion) Description of subject: The Convair 580 is a turboprop airliner converted from earlier Convair piston-powered models, featuring upgraded engines and performance for regional passenger and cargo operations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.