Crossbow-Applications :General Aviation- MEMS Inertial AHRS Systems

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General Aviation

Primary Flight Display

Background:

For General Aviation aircraft, the Attitude Indicator, Directional Gyro, and Turn/Bank Indicator are the three primary instruments that are Gyro driven. Crossbow's solid-state MEMS AHRS systems are single devices that provide necessary input data to drive all three of these instruments. The Crossbow AHRS is ideal for incorporation into current and next generation glass cockpit systems, autopilots and standby instruments, and gyro retrofit and replacement systems.

FAA Certified Products:

1.	The AHRS500 is TSO C4c and TSO C6d approved, and qualified to DO178B Level C. The output is RS-232. Magnetometer functionality is included in the product, and a remote magnetometer option is supported.
2.	The AHRS510 is TSO C4c and TSO C6d approved and qualified to DO-178B Level B. The output is ARINC 429. A Crossbow remote magnetometer is required for heading output.
3.	The CRM500 is TSO C6d approved for use with the AHRS500 and is qualified to DO-178B Level C.
4.	The CRM510 is TSO C6d approved for use with the AHRS510 and qualified to DO-178B Level B.

Experimental/Light Sport Recommended Products:

1.	The NAV425EX is a GPS-aided AHRS for use in Experimental and Uncertified Light Sport Aircraft.

Benefits to Customer:

1.	High Reliability : Inertial systems that provide attitude and heading measurement with static and dynamic accuracy superior to traditional spinning mass vertical and directional gyros.
2.	Standard Aircraft Digital Bus Support : A comprehensive Built-in-Test (BIT) architecture continuously monitors all sensors, internal electronics, power circuitry and system calibration during operation, and updates the system BIT status in every output message. Output data is provided via a standard ARINC429 data bus.
3	No External Sensor Inputs Required : As a standalone system Crossbow’s AHRS functions as a truly independent device while still providing the user with optional external aiding inputs from Air Data or GPS.

Crossbow Technology has been at the vanguard of sensor technology for more than a decade, shipping hundreds of thousands of sensors to more than 4,000 customers worldwide. Today, Crossbow is a leading supplier of inertial sensors and systems for navigation and control applications in general aviation, commercial and military markets.

Advanced MEMS Technology
Patented Sensor Integration & Algorithms
FAA Certified Systems
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PH: 408.965.3300 | E: info@xbow.com

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