Cessna 421
E881312
The Cessna 421 is a twin-engine, pressurized light aircraft popular for business and personal transport due to its cabin comfort and range.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Cessna 421 canonical | 3 |
| Cessna 421 Golden Eagle | 1 |
| Cessna 421A | 1 |
| Cessna 421B | 1 |
| Cessna 421C | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10372746 — 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: Cessna 421 Context triple: [Cessna, hasModel, Cessna 421]
-
A.
Cessna 414
The Cessna 414 is a pressurized, twin-engine light aircraft designed primarily for business and personal transport, known for its cabin comfort and range.
-
B.
Cessna 402
The Cessna 402 is a twin-engine light aircraft commonly used for regional commuter, air taxi, and cargo operations due to its reliability and ability to serve short-haul routes.
-
C.
Cessna 404 Titan
The Cessna 404 Titan is a twin-engine, piston-powered light aircraft designed primarily for commuter, cargo, and air-taxi operations, offering increased capacity and performance over earlier Cessna cabin-class twins.
-
D.
Cessna 340
The Cessna 340 is a pressurized, twin‑engine light business aircraft popular for its cabin comfort and range in general aviation.
-
E.
Cessna 210
The Cessna 210 is a high-performance, single-engine, six-seat, retractable-gear general aviation aircraft widely used for personal and business travel.
- 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: Cessna 421 Target entity description: The Cessna 421 is a twin-engine, pressurized light aircraft popular for business and personal transport due to its cabin comfort and range.
-
A.
Cessna 414
The Cessna 414 is a pressurized, twin-engine light aircraft designed primarily for business and personal transport, known for its cabin comfort and range.
-
B.
Cessna 402
The Cessna 402 is a twin-engine light aircraft commonly used for regional commuter, air taxi, and cargo operations due to its reliability and ability to serve short-haul routes.
-
C.
Cessna 404 Titan
The Cessna 404 Titan is a twin-engine, piston-powered light aircraft designed primarily for commuter, cargo, and air-taxi operations, offering increased capacity and performance over earlier Cessna cabin-class twins.
-
D.
Cessna 340
The Cessna 340 is a pressurized, twin‑engine light business aircraft popular for its cabin comfort and range in general aviation.
-
E.
Cessna 210
The Cessna 210 is a high-performance, single-engine, six-seat, retractable-gear general aviation aircraft widely used for personal and business travel.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
civil utility aircraft
ⓘ
light twin‑engine aircraft ⓘ pressurized cabin aircraft ⓘ |
| aircraftCategory | general aviation aircraft ⓘ |
| aircraftFamily |
Cessna 400 series
ⓘ
linked to:
Cessna 414
|
| alsoKnownAs |
Cessna 421 Golden Eagle
ⓘ
linked to:
Cessna 421
|
| cabinComfort | high ⓘ |
| cabinType | pressurized ⓘ |
| construction | all‑metal ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crew | 1 ⓘ |
| engineConfiguration | twin‑engine ⓘ |
| engineModel |
Continental GTSIO‑520 series
ⓘ
linked to:
Continental GTSIO‑520‑M
|
| engineType | piston ⓘ |
| firstFlight | 1965 ⓘ |
| fuelType | aviation gasoline (avgas) ⓘ |
| introduced | 1967 ⓘ |
| landingGearType | retractable tricycle landing gear ⓘ |
| manufacturer | Cessna Aircraft Company ⓘ |
| manufacturerParentCompany | Textron ⓘ |
| market |
air charter companies
ⓘ
corporate operators ⓘ private owners ⓘ |
| maximumPassengerCapacity | 8 ⓘ |
| notableFeature |
club‑seating cabin layout
ⓘ
pressurized cabin in light twin class ⓘ |
| numberOfEngines | 2 ⓘ |
| pressurization | designed for high‑altitude cruise ⓘ |
| pressurizedCabin | yes ⓘ |
| primaryUse |
air taxi
ⓘ
business aviation ⓘ personal transport ⓘ |
| productionEnd | 1985 ⓘ |
| productionStart | 1967 ⓘ |
| propulsion | twin propeller ⓘ |
| rangeClass | medium range ⓘ |
| role |
executive transport
ⓘ
light transport ⓘ |
| status | out of production ⓘ |
| successor |
Cessna 425
ⓘ
Cessna 441 ⓘ |
| tailConfiguration | conventional tail ⓘ |
| typicalCruiseSpeedClass | high‑performance piston twin ⓘ |
| typicalPassengerCapacity | 6 ⓘ |
| variant |
Cessna 421A
ⓘ
linked to:
Cessna 421
Cessna 421B ⓘ
linked to:
Cessna 421
Cessna 421C ⓘ
linked to:
Cessna 421
|
| wingConfiguration | low‑wing ⓘ |
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: Cessna 421 Description of subject: The Cessna 421 is a twin-engine, pressurized light aircraft popular for business and personal transport due to its cabin comfort and range.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cessna 421
linked to: Cessna 421
linked to: Cessna 421
linked to: Cessna 421