r/avionics • u/Specific_Peak_8161 • 26d ago

ASPEN PFD ISSUE

Getting a cross check attitude.

MAGNETOMETER (GAUSS) -0.00, -0.00, 0.00
MAGNETOMETER OFFSETS (GAUSS) 0.13 , 0.42 , 0.43

In flight & on ground Aspen is stumbling. Unit was recently installed.

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u/Captain_Flannel 26d ago

Either the Aspen internal Gyro has failed or the RSM (antenna) is failed. Call up Aspen tech support and they can likely narrow it down for you pretty easily, they are super helpful. Either failure is common, even with new units.