BAC One-Eleven (re-engined variants)
E508847
The BAC One-Eleven (re-engined variants) are upgraded versions of the British short-haul jet airliner retrofitted with more modern Pratt & Whitney JT8D engines to improve performance and efficiency.
All labels observed (2)
| Label | Occurrences |
|---|---|
| BAC One-Eleven | 3 |
| BAC One-Eleven (re-engined variants) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5272352 — 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: BAC One-Eleven (re-engined variants) Context triple: [Pratt & Whitney JT8D, application, BAC One-Eleven (re-engined variants)]
-
A.
BAe 146
The BAe 146 is a British short-haul regional airliner known for its high-wing design, four turbofan engines, and quiet operation suitable for noise-restricted airports.
-
B.
BAe Jetstream 31
The BAe Jetstream 31 is a small twin-turboprop regional airliner designed for short-haul commuter routes, originally developed in the United Kingdom in the late 1970s.
-
C.
Hawker Siddeley Trident
The Hawker Siddeley Trident is a British three-engined jet airliner introduced in the 1960s, notable for its advanced avionics and role in pioneering automatic landing systems.
-
D.
RAF VC10
The RAF VC10 was a British long-range jet airliner adapted for military transport and aerial refuelling service with the Royal Air Force.
-
E.
McDonnell Douglas DC-9
The McDonnell Douglas DC-9 is a twin-engine, short- to medium-range jet airliner introduced in the 1960s that became widely used by airlines around the world and served as the basis for later MD-80/90 series 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: BAC One-Eleven (re-engined variants) Target entity description: The BAC One-Eleven (re-engined variants) are upgraded versions of the British short-haul jet airliner retrofitted with more modern Pratt & Whitney JT8D engines to improve performance and efficiency.
-
A.
BAe 146
The BAe 146 is a British short-haul regional airliner known for its high-wing design, four turbofan engines, and quiet operation suitable for noise-restricted airports.
-
B.
BAe Jetstream 31
The BAe Jetstream 31 is a small twin-turboprop regional airliner designed for short-haul commuter routes, originally developed in the United Kingdom in the late 1970s.
-
C.
Hawker Siddeley Trident
The Hawker Siddeley Trident is a British three-engined jet airliner introduced in the 1960s, notable for its advanced avionics and role in pioneering automatic landing systems.
-
D.
RAF VC10
The RAF VC10 was a British long-range jet airliner adapted for military transport and aerial refuelling service with the Royal Air Force.
-
E.
McDonnell Douglas DC-9
The McDonnell Douglas DC-9 is a twin-engine, short- to medium-range jet airliner introduced in the 1960s that became widely used by airlines around the world and served as the basis for later MD-80/90 series aircraft.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft variant family
ⓘ
re-engined airliner ⓘ |
| aircraftConfiguration | twin‑engine rear‑mounted jet ⓘ |
| aircraftType | short-haul jet airliner ⓘ |
| airframe | BAC One-Eleven fuselage ⓘ |
| basedOn |
BAC One-Eleven
ⓘ
linked to:
BAC One-Eleven (re-engined variants)
|
| category |
aircraft re-engining programs
ⓘ
jet airliner modifications ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designFeature |
modified nacelles
ⓘ
retrofitted engines ⓘ structural modifications to accommodate new engines ⓘ |
| engineModelFamily |
Pratt & Whitney JT8D family
ⓘ
linked to:
Pratt & Whitney JT8D
|
| engineType | turbofan ⓘ |
| intendedEffect | increase competitiveness versus newer regional jets ⓘ |
| manufacturer | British Aircraft Corporation ⓘ |
| market | airlines operating aging BAC One-Eleven fleets ⓘ |
| modificationScope |
powerplant replacement
ⓘ
systems adaptation for new engines ⓘ |
| operationalBenefit |
improved climb performance
ⓘ
improved range for given payload ⓘ potential noise and emissions improvements ⓘ |
| originalEngineType |
Rolls-Royce Spey
ⓘ
linked to:
Rolls-Royce Spey turbofan
|
| propulsionManufacturer | Pratt & Whitney ⓘ |
| purpose |
extend service life
ⓘ
improve fuel efficiency ⓘ improve performance ⓘ reduce operating costs ⓘ |
| reEnginedWith | Pratt & Whitney JT8D ⓘ |
| relatedTo | BAC One-Eleven original variants ⓘ |
| role |
commercial passenger transport
ⓘ
short-haul operations ⓘ |
| upgradeType |
efficiency upgrade
ⓘ
engine retrofit ⓘ performance upgrade ⓘ |
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: BAC One-Eleven (re-engined variants) Description of subject: The BAC One-Eleven (re-engined variants) are upgraded versions of the British short-haul jet airliner retrofitted with more modern Pratt & Whitney JT8D engines to improve performance and efficiency.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: BAC One-Eleven (re-engined variants)
linked to: BAC One-Eleven (re-engined variants)
linked to: BAC One-Eleven (re-engined variants)