When AHRS Acts Up

Editorial Staff

Thursday, December 22, 2022 at 01:49 PM ET

Verified

** The new Hartzell Cessna 182 prop** Hartzell

Key Takeaways:

Multiple aircraft types experienced Attitude and Heading Reference System (AHRS) failures, leading to the loss of critical flight data such as airspeed, altitude, heading, and attitude.
These failures manifested as "X's" on primary flight displays, autopilot disengagement, and often required pilots to use backup instruments, declare emergencies, or divert.
The root causes for these AHRS malfunctions were frequently intermittent or elusive, with some incidents linked to cold weather or severe turbulence, while others resolved temporarily without explanation.

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Beechcraft 58 Baron

Cold-Weather Failure

Editorial Staff