BELL 505 DUAL CHANNEL FADEC ENGINE CONTROLS
As the first helicopter in its class to offer a dual channel Full Authority Digital Engine Control (FADEC) and fully integrated glass cockpit, the Bell 505 is the future of safety. The Safran HE Arrius 2R engine control is provided through a dual channel FADEC which increases operational safety by lowering pilot workload. The dual channel FADEC offers added protection with the incorporation of an automatic backup Auxiliary Control Unit. 
There are many features on the Safran HE Arrius 2R engine that increase safety and truly differentiate it from the competition including:
Dual-channel FADEC
Auxiliary Control Unit (backup for HMU)
Automatic startup
Surge and flame-out protection
Engine parameter recording for maintenance (BOOST compatible)
Data stored in avionics for easy access
Automatic cycle and flight hour counting
Components Time Remaining
Main Rotor Blades X3............ 3.242 Hrs
Tail Rotor Blade...................... 1.742 Hrs
Tail Gear Box........................... 5.242 Hrs
Starter Generator...................... 246 Hrs
Module 01............................... 2.242 Hrs
Module 02............................... 2.242 Hrs
HMU......................................... 2.242 Hrs