Yak-42
E737039
The Yak-42 is a Soviet-era three-engine mid-range passenger jet airliner designed by Yakovlev, widely used by both civilian operators and military air forces.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Yak-42 canonical | 1 |
| Yakovlev Yak-42 | 1 |
| Yakovlev Yak-42 (testbed) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8386838 — 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: Yak-42 Context triple: [Cuban Air Force, usedAircraft, Yak-42]
-
A.
Yakovlev Yak-40
The Yakovlev Yak-40 is a small Soviet-era three-engined regional jet airliner designed for short-haul routes and operations from poorly equipped airfields.
-
B.
Tupolev Tu-324
The Tupolev Tu-324 is a proposed Russian regional jet airliner designed by the Tupolev Design Bureau to serve short- to medium-haul routes.
-
C.
Tupolev Tu-214
The Tupolev Tu-214 is a Russian twin‑engine, medium-range narrow-body airliner developed as an updated, longer-range derivative of the Tu-204 family.
-
D.
Tupolev Tu-214ON
The Tupolev Tu-214ON is a specialized Russian reconnaissance and observation aircraft variant of the Tu-214 airliner, developed for missions under the Open Skies Treaty.
-
E.
Tupolev Tu-134 airliner
The Tupolev Tu-134 airliner is a Soviet-era twin-engine jet used widely by Eastern Bloc airlines and militaries, known for its rugged design and extensive service from the 1960s onward.
- 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: Yak-42 Target entity description: The Yak-42 is a Soviet-era three-engine mid-range passenger jet airliner designed by Yakovlev, widely used by both civilian operators and military air forces.
-
A.
Yakovlev Yak-40
The Yakovlev Yak-40 is a small Soviet-era three-engined regional jet airliner designed for short-haul routes and operations from poorly equipped airfields.
-
B.
Tupolev Tu-324
The Tupolev Tu-324 is a proposed Russian regional jet airliner designed by the Tupolev Design Bureau to serve short- to medium-haul routes.
-
C.
Tupolev Tu-214
The Tupolev Tu-214 is a Russian twin‑engine, medium-range narrow-body airliner developed as an updated, longer-range derivative of the Tu-204 family.
-
D.
Tupolev Tu-214ON
The Tupolev Tu-214ON is a specialized Russian reconnaissance and observation aircraft variant of the Tu-214 airliner, developed for missions under the Open Skies Treaty.
-
E.
Tupolev Tu-134 airliner
The Tupolev Tu-134 airliner is a Soviet-era twin-engine jet used widely by Eastern Bloc airlines and militaries, known for its rugged design and extensive service from the 1960s onward.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet aircraft
ⓘ
narrow-body jet airliner ⓘ passenger aircraft ⓘ trijet ⓘ |
| aircraftCategory | short- to medium-haul airliner ⓘ |
| aircraftConfiguration | all-metal stressed-skin construction ⓘ |
| aircraftGeneration | second-generation Soviet jet airliner ⓘ |
| aircraftManufacturerDesignBureau | Yakovlev Design Bureau NERFINISHED ⓘ |
| aircraftRole |
mid-range passenger jet
ⓘ
regional airliner ⓘ |
| cargoHold | below passenger cabin ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| crew | 2 pilots plus cabin crew ⓘ |
| cruiseSpeed | about 750 km/h ⓘ |
| designedBy | Yakovlev design team NERFINISHED ⓘ |
| designedFor | replacement of older turboprop airliners ⓘ |
| developedIn | 1970s ⓘ |
| engineConfiguration | three rear-mounted turbofan engines ⓘ |
| engineType | turbofan ⓘ |
| enteredServiceWith | Aeroflot NERFINISHED ⓘ |
| firstFlight | 1975-03-07 ⓘ |
| fuselageType | cylindrical pressurized fuselage ⓘ |
| hasVariant |
Yak-42D
NERFINISHED
ⓘ
Yak-42M NERFINISHED ⓘ |
| ICAOTypeDesignator | YK42 NERFINISHED ⓘ |
| introduced | 1980 ⓘ |
| landingGear | tricycle retractable landing gear ⓘ |
| manufacturer | Yakovlev NERFINISHED ⓘ |
| marketedAs | medium-range passenger jet ⓘ |
| maximumSeatingCapacity | up to 120 passengers ⓘ |
| numberBuilt | over 180 ⓘ |
| numberOfEngines | 3 ⓘ |
| passengerDoorLocation | forward left side of fuselage ⓘ |
| powerplantLocation | rear fuselage ⓘ |
| pressurizedCabin | yes ⓘ |
| primaryUsers |
Russian airlines
ⓘ
Soviet airlines ⓘ |
| range | approximately 2,500 km ⓘ |
| status | in limited service ⓘ |
| tailConfiguration | T-tail ⓘ |
| typicalSeatingCapacity | 120 passengers ⓘ |
| usedBy |
civil operators
ⓘ
government operators ⓘ military air forces ⓘ |
| usedFor |
domestic routes in the Soviet Union
ⓘ
international regional routes ⓘ |
| 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: Yak-42 Description of subject: The Yak-42 is a Soviet-era three-engine mid-range passenger jet airliner designed by Yakovlev, widely used by both civilian operators and military air forces.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rolls-Royce Olympus
this entity surface form:
Yakovlev Yak-42 (testbed)
this entity surface form:
Yakovlev Yak-42