Sat, May 21, 2011
Instrument Is Also Certified For Retrofit In CRJ700,
Rockwell Collins announced Thursday at the 36th Annual Regional
Airlines Association (RAA) Convention in Nashville, TN, that its
AHS-4000 Attitude and Reference Heading System (AHRS) is now
certified on the Bombardier CRJ1000 NextGen aircraft.
The AHS-4000 AHRS features a distinctive solid-state, gyro-based
design that is not subject to magnetic abnormalities associated
with flux valves and eliminates the need to perform compass swings.
The latest generation embedded sensors ensure low power consumption
and high reliability, resulting in a 50 percent improvement in Mean
Time Between Failure (MTBF) compared to previous generation
The company says the instrument's key features include:
- Low-power fiber-optic gyro and triple-axis MEMS
- Multiple modes of operation include magnetically augmented
ARINC 705 AHRS, GPS-aided or unaided free inertial.
- Analog synchro interface provides attitude and heading
reference input data.
- Enhanced fault isolation.
- Continuous monitoring of all functions and internal diagnostic
The Rockwell Collins AHS-4000 AHRS is also certified and
available as an aftermarket upgrade for CRJ700 and CRJ900
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