Learjet 28
E830473
The Learjet 28 is a light business jet developed in the late 1970s as an improved, longer-range variant of earlier Learjet models, notable for its winglets and high-speed performance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Learjet 28 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9847766 — 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: Learjet 28 Context triple: [Learjet, product, Learjet 28]
-
A.
Learjet 25
The Learjet 25 is a twin-engine business jet introduced in the late 1960s, known for its high speed, long-range performance, and popularity in corporate and charter aviation.
-
B.
Learjet 24
The Learjet 24 is a small, high-performance business jet introduced in the 1960s, known for its speed, range, and role in popularizing modern corporate jet travel.
-
C.
Learjet 23
The Learjet 23 is a pioneering light business jet introduced in the 1960s, known for its high speed, sleek design, and role in establishing the modern business jet market.
-
D.
Learjet 35
The Learjet 35 is a twin-engine American business jet known for its high speed, long range, and widespread use in both civilian and military roles, including transport, training, and medical evacuation.
-
E.
Learjet 45
The Learjet 45 is a mid-size business jet known for its speed, range, and efficient corporate travel capabilities within the Learjet family.
- 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: Learjet 28 Target entity description: The Learjet 28 is a light business jet developed in the late 1970s as an improved, longer-range variant of earlier Learjet models, notable for its winglets and high-speed performance.
-
A.
Learjet 25
The Learjet 25 is a twin-engine business jet introduced in the late 1960s, known for its high speed, long-range performance, and popularity in corporate and charter aviation.
-
B.
Learjet 24
The Learjet 24 is a small, high-performance business jet introduced in the 1960s, known for its speed, range, and role in popularizing modern corporate jet travel.
-
C.
Learjet 23
The Learjet 23 is a pioneering light business jet introduced in the 1960s, known for its high speed, sleek design, and role in establishing the modern business jet market.
-
D.
Learjet 35
The Learjet 35 is a twin-engine American business jet known for its high speed, long range, and widespread use in both civilian and military roles, including transport, training, and medical evacuation.
-
E.
Learjet 45
The Learjet 45 is a mid-size business jet known for its speed, range, and efficient corporate travel capabilities within the Learjet family.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
business jet
ⓘ
twin-engine jet aircraft ⓘ |
| aircraftCategory | jet-powered fixed-wing aircraft ⓘ |
| aircraftFamily | Learjet 20 series NERFINISHED ⓘ |
| aircraftType | civil aircraft ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 2 ⓘ |
| developedFrom | Learjet 25 NERFINISHED ⓘ |
| developedInDecade | 1970s ⓘ |
| engineConfiguration | twin-engine ⓘ |
| engineType | turbofan ⓘ |
| firstFlight | 1977 ⓘ |
| fuselageDesign | stretched fuselage compared to earlier Learjet 20 series ⓘ |
| hasVariant | Learjet 29 NERFINISHED ⓘ |
| hasWinglets | true ⓘ |
| height |
12.3 ft
ⓘ
3.75 m ⓘ |
| introduced | 1979 ⓘ |
| landingGear | tricycle landing gear ⓘ |
| length |
14.87 m
ⓘ
48.8 ft ⓘ |
| manufacturer |
Gates Learjet
NERFINISHED
ⓘ
Learjet NERFINISHED ⓘ |
| marketedAs | longer-range version of earlier Learjet models ⓘ |
| maxCruiseSpeed |
about 464 kn
ⓘ
about 860 km/h ⓘ |
| maxSpeed | Mach 0.81 ⓘ |
| maxTakeoffWeight |
15500 lb
ⓘ
7031 kg ⓘ |
| notableFeature |
designed for high-altitude, high-speed cruise
ⓘ
first production Learjet fitted with winglets ⓘ |
| numberBuilt | 5 ⓘ |
| powerplant | 2 × General Electric CJ610 turbofan ⓘ |
| primaryUse |
air taxi operations
ⓘ
executive transport ⓘ |
| productionPeriod | late 1970s ⓘ |
| range |
about 1400 nmi
ⓘ
about 2590 km ⓘ |
| role |
business jet
ⓘ
corporate transport ⓘ |
| serviceCeiling | 51000 ft ⓘ |
| status | out of production ⓘ |
| tailConfiguration | T-tail ⓘ |
| typicalPassengerCapacity | 8 ⓘ |
| wingDesign | new wing with winglets ⓘ |
| wingspan |
12.04 m
ⓘ
39.5 ft ⓘ |
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: Learjet 28 Description of subject: The Learjet 28 is a light business jet developed in the late 1970s as an improved, longer-range variant of earlier Learjet models, notable for its winglets and high-speed performance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.