Safran Arriel 2E

E193976

aircraft engine turboshaft engine

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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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 Helicopters EC145 T2 ⓘ linked to: Airbus H145 Airbus Helicopters H145 (early variants) ⓘ linked to: Airbus H145
brand	Safran Arriel ⓘ linked to: Safran Arriel 2E
certificationAuthority	European Union Aviation Safety Agency ⓘ linked to: EASA 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	Safran Helicopter Engines ⓘ linked to: Turbomeca
marketSegment	civil helicopter market ⓘ emergency medical services helicopters ⓘ law enforcement helicopters ⓘ parapublic helicopter operations ⓘ utility helicopter operations ⓘ
partOfFamily	Safran Arriel engine family ⓘ linked to: Safran Arriel 2E
predecessor	Safran Arriel 1 series ⓘ Safran Arriel 2 series (earlier variants) ⓘ linked to: Safran Arriel 1 series
role	main powerplant for light twin helicopters ⓘ
safetyFeature	automatic protection against engine exceedances ⓘ redundant electronic control channels ⓘ
status	in commercial service ⓘ
support	Safran global support network ⓘ linked to: Safran
usedWith	dual‑engine helicopter configurations ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Airbus H145 → engineModel → Safran Arriel 2E ⓘ

BK117 D-2 → engineModel → Safran Arriel 2E ⓘ

subject linked to: BK117 D‑2

Safran Arriel 2E → partOfFamily → Safran Arriel engine family ⓘ

linked to: Safran Arriel 2E

Safran Arriel 2E → brand → Safran Arriel ⓘ