GRT Avionics

Sometimes, when getting re-routed a lot, or dodging storms, or on an especially complex approach during turbulence, I have wished for a separate set of buttons on the panel to select autopilot lateral and vertical mode (HDG, GNAV, ENAV, VS, IAS, etc.), instead of having to click the knob and push ...

A few times in the last few months, during a flight, the data file with engine and flight data 'GRT Flight Data Log.CSV' has had what looks like binary data written to it. The binary data can be written to the file for over an hour, and then it stops and normal text logging of the engine and flight ...

Thank you, Jeff.
Magnetometer #2 calibrated fine.

I have a dual HX with dual AHRS+Magnetometer. AHRS #2 is reporting invalid in the ARS Maintenance page and a bad checksum in the calibration page. I get this from either HX unit.

AHRS #1 is fine, and calibrated OK.

Should I attempt calibration of #2, or is further troubleshooting warranted ...

My engine has one electronic ignition and one magneto. They are wired to the EIS RPM/N1 and RPM/N2 inputs, respectively. I have verified that both N1 and N2 data are recorded in the EIS data stream. Usually, the two data fields have the same number, but during start or other changes in RPM, the two ...