Safran Arriel 2E
E193976
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Safran Arriel 2E canonical | 2 |
| Safran Arriel | 1 |
| Safran Arriel engine family | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1722031 — 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 2E Context triple: [Airbus H145, engineModel, Safran Arriel 2E]
-
A.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
-
B.
Pratt & Whitney F100 turbofan
The Pratt & Whitney F100 is an afterburning turbofan jet engine widely used in modern U.S. fighter aircraft, known for its high thrust-to-weight ratio and advanced performance.
-
C.
Europrop International TP400-D6
The Europrop International TP400-D6 is a high-power turboprop aircraft engine developed by a European consortium specifically to provide the Airbus A400M Atlas with the performance and efficiency needed for tactical and strategic airlift missions.
-
D.
Pratt & Whitney F117-PW-100
The Pratt & Whitney F117-PW-100 is a high-bypass turbofan jet engine used to power the Boeing C-17 Globemaster III military transport aircraft.
-
E.
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a high-bypass turbofan engine family widely used on medium-range commercial and military transport 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: Safran Arriel 2E Target entity description: 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.
-
A.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
-
B.
Pratt & Whitney F100 turbofan
The Pratt & Whitney F100 is an afterburning turbofan jet engine widely used in modern U.S. fighter aircraft, known for its high thrust-to-weight ratio and advanced performance.
-
C.
Europrop International TP400-D6
The Europrop International TP400-D6 is a high-power turboprop aircraft engine developed by a European consortium specifically to provide the Airbus A400M Atlas with the performance and efficiency needed for tactical and strategic airlift missions.
-
D.
Pratt & Whitney F117-PW-100
The Pratt & Whitney F117-PW-100 is a high-bypass turbofan jet engine used to power the Boeing C-17 Globemaster III military transport aircraft.
-
E.
Pratt & Whitney PW2000
The Pratt & Whitney PW2000 is a high-bypass turbofan engine family widely used on medium-range commercial and military transport aircraft.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
turboshaft engine ⓘ |
| application |
Airbus H145
ⓘ
surface form:
Airbus Helicopters EC145 T2
Airbus H145 ⓘ
surface form:
Airbus Helicopters H145 (early variants)
|
| brand |
Safran Arriel 2E
self-linksurface differs
ⓘ
surface form:
Safran Arriel
|
| certificationAuthority |
EASA
ⓘ
surface form:
European Union Aviation Safety Agency
Federal Aviation Administration ⓘ |
| compressorType | axial‑centrifugal compressor ⓘ |
| configuration | single‑spool ⓘ |
| controlSystem |
Full Authority Digital Engine Control
ⓘ
dual‑channel FADEC ⓘ |
| cooling | air‑cooled turbine ⓘ |
| countryOfOrigin | France ⓘ |
| designedFor | light twin‑engine helicopters ⓘ |
| designGoal |
higher dispatch reliability
ⓘ
improved performance in hot and high conditions ⓘ lower direct operating costs ⓘ |
| emissionCharacteristic | reduced fuel burn compared to earlier Arriel variants ⓘ |
| familyRelation | successor to earlier Arriel 2 variants in its power class ⓘ |
| feature |
automatic start and shutdown sequences
ⓘ
electronic engine monitoring ⓘ engine health monitoring capability ⓘ enhanced reliability compared to earlier Arriel variants ⓘ extended time between overhauls ⓘ improved fuel efficiency over earlier Arriel variants ⓘ improved power‑to‑weight ratio over earlier Arriel variants ⓘ reduced maintenance requirements ⓘ |
| fuelType | jet fuel ⓘ |
| manufacturer |
Turbomeca
ⓘ
surface form:
Safran Helicopter Engines
|
| marketSegment |
civil helicopter market
ⓘ
emergency medical services helicopters ⓘ law enforcement helicopters ⓘ parapublic helicopter operations ⓘ utility helicopter operations ⓘ |
| partOfFamily |
Safran Arriel 2E
self-linksurface differs
ⓘ
surface form:
Safran Arriel engine family
|
| predecessor |
Safran Arriel 1 series
ⓘ
Safran Arriel 1 series ⓘ
surface form:
Safran Arriel 2 series (earlier variants)
|
| role | main powerplant for light twin helicopters ⓘ |
| safetyFeature |
automatic protection against engine exceedances
ⓘ
redundant electronic control channels ⓘ |
| status | in commercial service ⓘ |
| support |
Safran
ⓘ
surface form:
Safran global support network
|
| usedWith | dual‑engine helicopter configurations ⓘ |
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 2E Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
BK117 D-2
this entity surface form:
Safran Arriel engine family
this entity surface form:
Safran Arriel