Lyulka AL-21F-3 turbojet
E170459
The Lyulka AL-21F-3 is a Soviet afterburning turbojet engine developed in the 1960s, widely used to power variable-geometry wing fighter-bombers such as the Su-17/20/22 family.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lyulka AL-21F-3 turbojet canonical | 1 |
| OKB-165 Lyulka | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1494828 — 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: Lyulka AL-21F-3 turbojet Context triple: [Su-22, powerplant, Lyulka AL-21F-3 turbojet]
-
A.
Tupolev Tu-114 airliner
The Tupolev Tu-114 airliner is a Soviet long-range turboprop passenger aircraft, renowned for being one of the fastest and largest propeller-driven airliners ever built and for serving prestigious international routes during the Cold War era.
-
B.
Tupolev Tu-2 bomber
The Tupolev Tu-2 bomber was a highly effective Soviet twin‑engine frontline bomber of World War II, known for its speed, payload capacity, and extensive use on the Eastern Front.
-
C.
Ilyushin Il-18
The Ilyushin Il-18 is a Soviet-era four-engine turboprop airliner known for its long-range capability, durability, and extensive use by Eastern Bloc airlines and military operators during the Cold War.
-
D.
Sukhoi Su-7
The Sukhoi Su-7 is a Soviet-era swept-wing fighter-bomber aircraft widely used during the Cold War for ground-attack missions.
-
E.
Tupolev Tu-22 bomber
The Tupolev Tu-22 is a Soviet-era supersonic long-range bomber designed during the Cold War for high-speed strike missions against strategic targets.
- 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: Lyulka AL-21F-3 turbojet Target entity description: The Lyulka AL-21F-3 is a Soviet afterburning turbojet engine developed in the 1960s, widely used to power variable-geometry wing fighter-bombers such as the Su-17/20/22 family.
-
A.
Tupolev Tu-114 airliner
The Tupolev Tu-114 airliner is a Soviet long-range turboprop passenger aircraft, renowned for being one of the fastest and largest propeller-driven airliners ever built and for serving prestigious international routes during the Cold War era.
-
B.
Tupolev Tu-2 bomber
The Tupolev Tu-2 bomber was a highly effective Soviet twin‑engine frontline bomber of World War II, known for its speed, payload capacity, and extensive use on the Eastern Front.
-
C.
Ilyushin Il-18
The Ilyushin Il-18 is a Soviet-era four-engine turboprop airliner known for its long-range capability, durability, and extensive use by Eastern Bloc airlines and military operators during the Cold War.
-
D.
Sukhoi Su-7
The Sukhoi Su-7 is a Soviet-era swept-wing fighter-bomber aircraft widely used during the Cold War for ground-attack missions.
-
E.
Tupolev Tu-22 bomber
The Tupolev Tu-22 is a Soviet-era supersonic long-range bomber designed during the Cold War for high-speed strike missions against strategic targets.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
afterburning turbojet engine
ⓘ
aircraft engine ⓘ |
| applicationRole |
interdiction
ⓘ
tactical strike ⓘ |
| compressorType | axial-flow ⓘ |
| configuration | single-spool axial-flow turbojet ⓘ |
| controlSystem | analog engine control ⓘ |
| coolingMethod | air-cooled turbine blades ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| designBureau |
OKB-165 Lyulka
ⓘ
linked to:
Lyulka AL-21F-3 turbojet
|
| designedFor |
fighter-bomber aircraft
ⓘ
variable-geometry wing aircraft ⓘ |
| developer | Arkhip Lyulka design bureau ⓘ |
| developmentStartDate | 1960s ⓘ |
| engineType | turbojet ⓘ |
| enteredService | late 1960s ⓘ |
| era | Cold War ⓘ |
| firstRunDate | 1965 ⓘ |
| fuelType | kerosene-based jet fuel ⓘ |
| generation | second-generation turbojet ⓘ |
| hasFeature |
afterburner
ⓘ
hydromechanical control system ⓘ modular construction ⓘ variable stator vanes ⓘ |
| manufacturer | NPO Saturn ⓘ |
| natoReportingName | Fitter engine family powerplant ⓘ |
| notableFor |
high thrust-to-weight ratio for its era
ⓘ
widespread use in Su-17 family ⓘ |
| stagesOfCompressor | 14-stage axial compressor ⓘ |
| status | in limited service ⓘ |
| successor | Lyulka AL-31F ⓘ |
| thrustDry | approximately 76 kN ⓘ |
| thrustWithAfterburner | approximately 110 kN ⓘ |
| turbineStages | 3-stage turbine ⓘ |
| usedBy |
Soviet Air Forces
ⓘ
Warsaw Pact air forces ⓘ
linked to:
Warsaw Pact
export customers of Su-20 and Su-22 ⓘ |
| usedIn |
Mikoyan-Gurevich MiG-23B
ⓘ
linked to:
Mikoyan-Gurevich MiG-23
Mikoyan-Gurevich MiG-23BN ⓘ
linked to:
Mikoyan-Gurevich MiG-23
Mikoyan-Gurevich MiG-27 ⓘ
linked to:
Mikoyan-Gurevich MiG-23
Sukhoi Su-17 ⓘ
linked to:
Su-17
Sukhoi Su-20 ⓘ
linked to:
Su-22
Sukhoi Su-22 ⓘ
linked to:
Su-22
Sukhoi Su-24 ⓘ Sukhoi T-4MS prototype projects ⓘ |
| usedInConflict |
Iran–Iraq War
ⓘ
Soviet–Afghan War ⓘ various Middle Eastern conflicts ⓘ |
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: Lyulka AL-21F-3 turbojet Description of subject: The Lyulka AL-21F-3 is a Soviet afterburning turbojet engine developed in the 1960s, widely used to power variable-geometry wing fighter-bombers such as the Su-17/20/22 family.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Lyulka AL-21F-3 turbojet
linked to: Lyulka AL-21F-3 turbojet