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Aviation Alerts and Advisories

GTX 3X5(R) GPS Software Version 8.2


GTX 3X5(R) units installed using Part 23 ADS-B AML STC SA01714WI are affected.


STC SA01714WI MDL Revision 19


Optional: This STC Service Bulletin may be incorporated at the owner’s discretion.


STC Service Bulletin 22004 provides notification of an update to STC SA01714WI, GTX 3X5(R) with ADSB AML STC, MDL Revision 19.

Major details of the update are:

    • Updated to GTX 3X5 GPS software version 8.2. This software fixes an issue with GPS signal acquisition time and spikes in the velocity vectors when attempting to re-acquire a GPS lock from a momentary drop from certain satellites.
    • Added G1000® GDU software version 15.26 for Cirrus Design Corp. SR2X model

There are no new aircraft models or functionality being added to the STC SA01714WI.

ASDN Service Bulletin 22004 Rev A