When AHRS Acts Up

The following information is derived from the FAA's Service Difficulty Reports and Aviation Maintenance Alerts.

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Beechcraft 58 Baron Cold-Weather Failure While at cruise altitude of 14,000 feet on a very cold day, the Garmin G500 panel flagged the airspeed, altitude, AIS and OAT; heading and horizon were all “X’d” out. Loss of all data from the AHARS (p/n GDC74A). Pilot used the backup instruments to complete the flight. Whenever cold, […]
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