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Aviation Alerts and Advisories

G500/G600 TXi Software Version 3.31 and GEA 110 Software Version 2.21


G500/G600 TXi PFD/MFD/EIS display systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA02571SE are affected.


STC SA02571SE MDL Revision 17


Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable.


This STC Service Bulletin provides notification of an update to the AML STC SA02571SE Master Drawing List (MDL) Revision 17.

G500/G600 TXi Software Version 3.31 includes:

    • Updated GEA 110 sensor configurations for the propeller RPM magneto P-Lead interface
    • Added GEA 71Be sensor configurations for fuel flow and propeller RPM to support Textron Aviation Inc. King Air E90 and Piper Aircraft Inc. PA-31T series aircraft

GEA 110 software version 2.21 includes updated magneto P-Lead filtering to improve propeller RPM stability.

ASDN Service Bulletin 21102 Rev A