CERTIFICATION APPROVAL: STC SA02119SE (see Approval section for details)
COMPLIANCE
Mandatory for all non-diversity GDL 88 units. Mandatory for all GDL 88D units connected to a GTN 625/GTN 635/GTN 650/ GTN 725/GTN 750 with Main System software version 5.00 or greater. Optional for all other installations. Refer to Software Service Bulletin 1371 for warranty information
PURPOSE
This Service Bulletin provides notification of Part 23 AML STC SA02119SE Master Drawing List (005 00645-02, Rev 3) with GDL 88 software version 2.06.
This software update is required for the GDL 88 to interface with GTN 6XX/7XX Navigators with Main software version 5.00. GDL 88 software version 2.06 is not compatible with GTN Main software versions prior to version 5.00, and GTN Main software version 5.00 is not compatible with GDL 88 software versions prior to version 2.06. Both the GTN and GDL 88 must be updated at the same time.
PRODUCTS AFFECTED
Aircraft modified by Part 23 AML STC SA02119SE Master Drawing List 005-00645-02, Revision 2 and earlier.
DESCRIPTION
This STC Service Bulletin provides instructions for incorporating GDL 88 software version 2.06 approved by Master Drawing List Revision 3. Refer to Software Service Bulletin No. 1371 for instructions for loading the software in the GDL 88 and description of the TSO authorized changes.