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Safety > Technology


The technological leadership of Airbus Helicopters and its Airbus Group parent company directly supports the safe operation of our products in missions around the world.

Airbus Helicopters has developed a reputation for constant innovation, ensuring the latest advances are incorporated on its rotary-wing aircraft, which cover important safety aspects – in the air and on the ground.

From cutting-edge aircraft design, to state-of-the-art systems and displays Airbus Helicopters has developed a full range of technological improvements to increase safety.

Aircraft design

Crash Resistant Fuel Systems

Crash Resistant Fuel Systems (CRFS) incorporate § 27.952-compliant design features that increase the level of safety in the event of a survivable crash by either decreasing the likelihood or delaying the onset of post-crash fire. These features minimize crash-induced fuel leaks and their contact with potential fuel ignition sources both during and after the crash, and increase the time occupants have available to egress before a post-crash fire could become critical.

Airbus Helicopters, Inc. (AHI) is proud to deliver modern, crash-resistant fuel systems (CRFS) as a standard feature on all models it currently provides to the U.S. market. However, we recognize that a large percentage of the fleet, which is comprised of legacy AS350 variants (AS350B, B1, D, BA, B2, and B3) and the EC130 B4, was delivered before the development of modern, crash-resistant fuel systems. To continuously improve the safety of the Airbus Helicopters fleet and the safety of our customers, AHI is pleased to offer the following CRFS retrofit solutions:

*Per FAA STC SR03931NY, the fuel system meets requirements of § 27.952 as long as the aircraft is not equipped with equipment that is not fully compatible with the CRFS such as a ferry flight tank, cargo sling, or cargo swing. Anticipated certification date for compatibility with cargo swing is December 2018.

For more information about crash-resistant fuel systems or § 27.952, please contact Peter Roets at

technology Fenestron shrouded tail rotor

Fenestron shrouded tail rotor
Developed by Airbus Helicopters in the 1960s, the Fenestron shrouded tail rotor introduced a new level of helicopter safety on the ground and in the air. It is incorporated on the H120, H130, H135, H145, AS365 and H155 helicopters. Advantages include increased protection against ground obstacles and foreign object damage, increased safety for ground personnel working around the tail boom, high damage tolerance and the ability to continue in flight in the unlikely event of a loss of tail rotor drive or pitch control.

The Fenestron also contributes to aerodynamic efficiency with high thrust capability and high yaw maneuverability, the reduction of turbulence and vortex-shedding, less operating penalty in crosswinds, and the elimination of yaw control load for the pilot in cruise.

Starflex and Spheriflex main rotor hubs
technology StarFlex and Spheriflex imageAirbus Helicopters' Starflex and Spheriflex bearingless main rotor hubs ensure very fast response to pitch changes, while also offering excellent maneuverability and stability. Used across Airbus Helicopters' helicopter product line, they have a fail-safe design through the application of composite materials, and are practically maintenance-free.




Energy attenuating seats
Energy attenuating seats Energy attenuating seats on Airbus Helicopters rotorcraft are designed to stroke and/or plastically deform upon severe impact, absorbing all or a portion of the crash energy transmitted to the seat. They are equipped with a 4-point safety belt system, and the harness restraint system incorporates an automatic inertial reel and a device for manual locking of the shoulder belts.



Systems and displays

Vehicle and Engine Multifunction Display
technology Vehicle and Engine display imageThe Vehicle and Engine Multifunction Display (VEMD) is an Airbus Helicopters development for the management and control of the primary aircraft and engine parameters. It reduces pilot workload and fosters a "heads-up" approach to flying, giving the pilot more time to focus on the external environment thanks to a quick and easy scan, excellent visibility and optimized ergonomics.

This fully-duplex system allows the display of three modes: Operating Mode, which is used mainly in flight to display engine and aircraft parameters, along with engine power checks and weight performance computation; Maintenance Mode, used on the ground to display the flight report page, over-limit page and avionics system failure page; and Configuration Mode, which allows the operator to configure the system to integrate optional equipment in the VEMD.

The VEMD is integrated in Airbus Helicopters' H125, H120, H130, AS355, H135, EC145 (BK117 C2), H155 and H225 helicopters.

Modular Aircraft Recording Monitoring System
The Modular Aircraft Recording Monitoring System (M'ARMS) is an integrated maintenance assistance system based on data recording and proactive monitoring. It is the HUMS (Health Usage Monitoring System) for the H155 and H225 helicopters, and also equips the H135, H145, AS365. Complementary functions are its use for cockpit voice and flight data recording, and as the usage and quick-access recorder.

M'ARMS improves safety margins through reduced maintenance and operational errors, greater pilot awareness of flight limitations, and the effective early detection of mechanical failures.

Vision 1000 flight data monitoring system
Vision 1000 flight data imageAirbus Helicopters, Inc. partnered with Appareo Systems to develop and provide the Vision 1000 flight data monitoring system as standard equipment on all new-delivered A-Star family helicopters since 2010. The Vision 1000 device collects inertial and positioning data, ambient acoustic data and cockpit imagery, which are stored on a crash-hardened memory module, as well as a removable secure digital card. This information is processed internally for use in Flight Operations Quality Assurance (FOQA), flight trainingand accident investigation.


The Helionix® system is an advanced avionics suite that offers unrivaled pilot assistance in an intuitive human-machine interface, improving overall safety through reduced pilot workload and unique flight envelope protection.

Featuring high levels of redundancy with four multifunction displays, Helionix® offers an innovative alerting system, extensive self-monitoring functions and on-demand vehicle monitoring display, as well as Airbus Helicopters’ dual-duplex 4-axis Automatic Flight Control System (AFCS). For enhanced situational awareness, Helionix integrates features such as digital maps, Helicopter Terrain Awareness and Warning System (HTAWS), synthetic vision systems and more.

Airbus Helicopters’ state-of-the-art Helionix® system is standard on the next-generation medium-twin H175 and the lightweight-twin H145.

Rotor Journal image