Overview
Proven lightweight performance for the Airbus EC120 Colibri
The Safran Arrius 1A is a lightweight turboshaft engine developed for single-engine helicopters requiring an efficient combination of reliability, compact dimensions and low operating costs. As one of the original members of the Arrius engine family, the Arrius 1A established a reputation for dependable performance across a wide range of commercial, private and training operations.
Designed specifically for light helicopter applications, the Arrius 1A combines a compact free-turbine architecture with straightforward maintenance and excellent fuel efficiency. Its simple and robust construction has enabled operators worldwide to achieve high aircraft availability while maintaining low direct operating costs.
Today, the Arrius family powers thousands of helicopters across more than 60 countries. With millions of accumulated flight hours, these engines have become recognised for their durability, reliability and ease of maintenance in demanding day-to-day operations.
Engine performance and reliability
Lightweight and compact design
Weighing approximately 103 kg (dry), the Arrius 1A delivers an excellent power-to-weight ratio while maintaining the compact dimensions required for modern light helicopters.
Efficient engine architecture
The Arrius 1A features a centrifugal compressor, reverse-flow combustion chamber and free power turbine. Its straightforward design contributes to dependable operation while simplifying maintenance throughout the engine's service life.
Built for high availability
Designed with reliability as a priority, the Arrius 1A supports long service intervals and efficient maintenance planning. Its modular construction helps reduce downtime while lowering lifecycle operating costs for helicopter operators.
Proven worldwide
The Arrius engine family has accumulated more than seven million flight hours worldwide and continues to support operators in training, private aviation, aerial work and public service missions across the globe.
Arrius 1A supply and support
Certified engines backed by worldwide support
Lapwing Helicopter Support supplies certified Safran Arrius 1A engines for helicopter operators, MRO organisations and overhaul facilities worldwide. Whether you require a replacement engine, an exchange solution or support during scheduled maintenance, we provide serviceable engines backed by complete documentation and full traceability.
Supported by our international sourcing network and extensive helicopter engine expertise, we help minimise aircraft downtime through responsive logistics, dependable customer support and worldwide delivery.
Why operators choose Lapwing
* Certified Safran Arrius 1A engines
* Serviceable and exchange engine solutions
* Documentation and full traceability
* Worldwide shipping and AOG support
* Experienced partner for helicopter operators and MRO organisations
