Safran Arriel 1 series
E833415
The Safran Arriel 1 series is an early family of turboshaft engines widely used in light and medium helicopters, known for their reliability and setting the foundation for later Arriel engine developments.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Safran Arriel 1 series canonical | 1 |
| Safran Arriel 2 series (earlier variants) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9936694 — 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: Safran Arriel 1 series Context triple: [Safran Arriel 2E, predecessor, Safran Arriel 1 series]
-
A.
Safran Arriel 2E
The Safran Arriel 2E is a modern turboshaft engine designed for light twin-engine helicopters, offering improved power, fuel efficiency, and reliability over earlier Arriel variants.
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B.
Safran Arriel 2D
The Safran Arriel 2D is a modern turboshaft engine widely used in light helicopters, known for its reliability, fuel efficiency, and improved performance over earlier Arriel variants.
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C.
Safran Arrius 2B2Plus
The Safran Arrius 2B2Plus is a modern turboshaft engine developed by Safran Helicopter Engines, commonly used to power light twin-engine helicopters.
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D.
Snecma M88
The Snecma M88 is a French afterburning turbofan engine developed to power the Dassault Rafale multirole fighter aircraft.
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E.
Safran Nacelles
Safran Nacelles is a leading aerospace company specializing in the design, integration, and support of aircraft engine nacelles and related propulsion systems.
- 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: Safran Arriel 1 series Target entity description: The Safran Arriel 1 series is an early family of turboshaft engines widely used in light and medium helicopters, known for their reliability and setting the foundation for later Arriel engine developments.
-
A.
Safran Arriel 2E
The Safran Arriel 2E is a modern turboshaft engine designed for light twin-engine helicopters, offering improved power, fuel efficiency, and reliability over earlier Arriel variants.
-
B.
Safran Arriel 2D
The Safran Arriel 2D is a modern turboshaft engine widely used in light helicopters, known for its reliability, fuel efficiency, and improved performance over earlier Arriel variants.
-
C.
Safran Arrius 2B2Plus
The Safran Arrius 2B2Plus is a modern turboshaft engine developed by Safran Helicopter Engines, commonly used to power light twin-engine helicopters.
-
D.
Snecma M88
The Snecma M88 is a French afterburning turbofan engine developed to power the Dassault Rafale multirole fighter aircraft.
-
E.
Safran Nacelles
Safran Nacelles is a leading aerospace company specializing in the design, integration, and support of aircraft engine nacelles and related propulsion systems.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | turboshaft engine family ⓘ |
| application |
civil helicopters
ⓘ
military helicopters ⓘ |
| certificationAuthority |
EASA
NERFINISHED
ⓘ
FAA NERFINISHED ⓘ |
| compressorType | axial‑centrifugal compressor ⓘ |
| configuration | single‑spool turboshaft ⓘ |
| cooling | air‑cooled turbine ⓘ |
| countryOfOrigin | France ⓘ |
| designGoal |
ease of maintenance
ⓘ
high reliability ⓘ low operating cost ⓘ |
| familyIncludes |
Arriel 1A
NERFINISHED
ⓘ
Arriel 1B NERFINISHED ⓘ Arriel 1C NERFINISHED ⓘ Arriel 1D NERFINISHED ⓘ Arriel 1E NERFINISHED ⓘ Arriel 1S NERFINISHED ⓘ |
| followedBy |
Safran Arriel 2 series
NERFINISHED
ⓘ
Safran Arriel 2+ series NERFINISHED ⓘ Safran Arriel 2E series NERFINISHED ⓘ Safran Arriel 2N series NERFINISHED ⓘ |
| formerNameOfManufacturer | Turbomeca NERFINISHED ⓘ |
| fuelType | aviation kerosene ⓘ |
| influenced | later Safran Arriel engine developments ⓘ |
| inService | worldwide ⓘ |
| introducedAs | early member of the Arriel engine line ⓘ |
| knownFor | reliability ⓘ |
| manufacturer | Safran Helicopter Engines NERFINISHED ⓘ |
| marketSegment | 1‑ton to 3‑ton class helicopters ⓘ |
| notableFeature |
FADEC capability on later variants
ⓘ
modular design ⓘ |
| partOf | Safran Arriel engine family NERFINISHED ⓘ |
| precededBy | earlier Turbomeca turboshaft engines ⓘ |
| role | primary powerplant for many light twin helicopters ⓘ |
| status | in operational service in the 21st century ⓘ |
| thrustCategory | shaft power below 1,000 kW class ⓘ |
| usedFor |
emergency medical services helicopters
ⓘ
law enforcement helicopters ⓘ offshore support helicopters ⓘ passenger transport ⓘ |
| usedIn |
light helicopters
ⓘ
medium helicopters ⓘ |
| usedOnAircraft |
Aérospatiale AS350 variants (twin‑engine conversions)
ⓘ
Aérospatiale AS365 Dauphin NERFINISHED ⓘ Eurocopter AS365 Dauphin NERFINISHED ⓘ Eurocopter EC145 early variants (as Arriel 1E2) ⓘ Harbin Z-9 (licensed Dauphin derivative) NERFINISHED ⓘ MBB/Kawasaki BK 117 variants NERFINISHED ⓘ |
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: Safran Arriel 1 series Description of subject: The Safran Arriel 1 series is an early family of turboshaft engines widely used in light and medium helicopters, known for their reliability and setting the foundation for later Arriel engine developments.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Safran Arriel 2 series (earlier variants)