GTX 345/345R (GTX 3X5(R)) units installed using Part 23 ADS-B AML STC SA01714WI and EASA STC 10060873 are affected.
STC SA01714WI and EASA STC 10060873
Recommended: Garmin recommends the incorporation of this service bulletin at the next scheduled service interval.
This STC Service Bulletin provides notification of an update to STC SA01714WI and EASA STC 10060873, GTX 33X and GTX 3X5(R) with ADS-B AML STC, MDL Revision 15.
GTX 345(R) ADSB software version 3.13 fixes an issue where some traffic targets may be missed when over 200 targets are in range.