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Arriel 2K Engine for Leonardo AW09 Helicopter Receives EASA Certification

Arriel 2K Engine for Leonardo AW09 Helicopter Receives EASA Certification
The Arriel 2K engine, developed by Safran Helicopter Engines to power Leonardo’s new AW09 single-engine helicopter, has been awarded its type certificate by the European Union Aviation Safety Agency (EASA). This certification represents a pivotal achievement for both Safran and Leonardo, facilitating the AW09’s forthcoming entry into operational service.
Development and Testing Milestones
The Arriel 2K began its development with initial bench tests in 2022, followed by its maiden flight aboard the AW09 in March 2023. Since then, the engine has undergone extensive evaluation, accumulating over 4,100 hours of testing, including more than 600 hours in flight conditions. Ground testing took place at Safran’s Bordes facility and the DGA testing center in Saclay, near Paris, where the engine was subjected to demanding icing and endurance scenarios to ensure reliability and performance under diverse operational environments.
Cédric Goubet, CEO of Safran Helicopter Engines, emphasized the significance of this certification, stating, “The certification of the Arriel 2K marks another defining step towards the entry into service of the AW09. All the teams at Safran Helicopter Engines are ready to support Leonardo and its customers in bringing this brand-new helicopter into service.”
Technical Features and Operator Benefits
The Arriel 2K is the latest iteration in the Arriel 2 engine family, delivering 1,000 shaft horsepower (shp) and featuring an engine interface specifically optimized for the AW09 platform. Its design incorporates a robust gas generator with a two-stage compressor—comprising one axial and one centrifugal stage—achieving high efficiency within a compact architecture. The engine utilizes an annular combustion chamber to ensure clean and efficient fuel combustion. Additionally, it is equipped with a dual-channel Full Authority Digital Engine Control (FADEC) system and an Engine Auxiliary Control Box (EACB), both aimed at reducing pilot workload and enhancing operational safety.
Operators of the AW09 will benefit from Safran’s extensive global support network and comprehensive service offerings. These include advanced digital services such as health monitoring and predictive maintenance, designed to maximize engine availability while minimizing operating costs.
Market Context and Industry Challenges
The certification process for engines like the Arriel 2K is known to be both costly and time-intensive. Industry reports highlight that programs such as General Electric’s T901 have required investments exceeding USD 1 billion. The stringent compliance requirements and high entry barriers limit the number of competitors, thereby consolidating market share among established manufacturers like Safran and Pratt & Whitney Canada, whose PT6C/PT6T engines dominate key segments.
While the EASA certification is anticipated to stimulate interest from commercial operators and emergency service providers—especially amid growing demand for flexible fleet access and mission-specific helicopter management—market expansion may face constraints. Production bottlenecks and limited maintenance, repair, and overhaul (MRO) infrastructure in developing regions pose challenges, as noted in recent helicopter market analyses.
Legacy and Market Position
With over 15,500 Arriel engines produced for more than 40 helicopter models and a cumulative flight time exceeding 66 million hours, the Arriel family has established a reputation for reliability and performance in the light helicopter sector. The certification of the Arriel 2K further consolidates Safran’s standing in a competitive and highly regulated market environment.

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