These ADAHRS meet all the requirements of TSO C5f for an Unslaved Direction Gyro (using all solid state MEMS sensors), C4c for Pitch and Bank, and C6e for Gyro Stabilized Magnetic Heading. The systems also meet the requirements of C106 for an Air Data computer as well as C88b for Altitude Reporting Equipment, using an 11 wire discrete interface compatible with most transponders.
Developed originally for fly-by-wire aircraft, Archangel's ADAHRS have 100% DO178b Level A operating software in all five processors used in both the ISU and MSU. The ISU has multiple, redundant, dissimilar processors computing both air data and attitude data to ensure data validity. Data are presented on eight ARINC 429 busses (4 Lo Speed and 4 Hi Speed).
The ISU measures 4.25" by 4.25" by 5.25", weighs 3.1 lbs and operates from 16 to 36 VDC using less than 20 Watts maximum. The MSU is approximately 3" round by 0.75", weighs 0.5 lbs and is powered by the ISU.
Archangel Systems, Inc. is a private, closely held Alabama Corporation, headquartered in Auburn, Alabama. Formed in 1992, the company specializes in Inertial Sensing Systems & Solutions for Aerospace, Automotive, and Military Applications. Areas of expertise include sensor development, hardware & software development, as well as FAA certification of both hardware & software to the highest levels of criticality. For additional information, please visit www.archangel.com.
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