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Aviation Alerts and Advisories

GDL 69/69A SXM Software Version 5.51 for Non-GX000 Integrated Flight Deck Installations Only


GDL 69 SXM and GDL 69A SXM units installed under Supplemental Type Certificate (STC) SA01487SE-D are affected.

GDL 69 SXM and GDL 69A SXM units installed with a GX000 Integrated Flight Deck are not affected.




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


This STC Service Bulletin provides notification of STC SA01487SE-D Master Data List Revision Q update for the GDL 69/69A SXM Upgrade to Software Version 5.51.

GDL 69/69A SXM software version 5.51 contains the following changes:

  • Improved TFR and METAR text
  • Fixes bug where some displays would not receive weather products
  • Adds support for HSDB2 products
  • Added support for CONUS composite NEXRAD for all subscriptions
  • Corrected a discrepancy which prevented the muting of audio
  • Updated Combined NEXRAD coverage area to Caribbean
  • Unsubscribed channels are now removed from the program and channel lists
  • When equipped with a GMA, a new audio mode improves system wide audio experience

STC SA01487SE-D Master Data List Revision Q also adds the following products:

  • GDL 69 SXM (011-03177-05)
    GDL 69A SXM (011-03177-15)

ASDN Service Bulletin 2037 Rev A