(2016) Service Bulletin 1618 Rev A: AML STC SA01933LA-D update for GNS 400W/500W Series Software Version 5.30 and Flight Stream 210 Software Version 2.30

CERTIFICATION AUTHORIZATION:
 STC SA01933LA-D

COMPLIANCE:
 Optional

PURPOSE:
 GNS 400W/500W Series main software version 5.30 includes the following changes:

• Added support for using the GDL 88 heading input as a source of system heading.
• Corrected an issue, when configured with a GDL 88 with TCAS and no heading source, with ADS OFF and TCAS ON, the traffic page would incorrectly annunciate traffic as TRK (track up) rather than HDG (heading up).
• Corrected an issue where the TOTAL TRIP TIMER would set to zero upon takeoff if the DEPARTURE TIMER criteria is set for IN AIR.
• Corrected the 'GDL 88 Traffic Alerting has failed' system message to ‘GDL 88 Traffic Alerting Not Available.’
• Expanded the display bounding box for Non-CONUS METARs sent from the GDL 69/69A to include western Alaska and Hawaii.
• Corrected an issue where the GNS did not show the GDL 88 traffic test pattern on the NAV TRAFFIC page.

PRODUCTS AFFECTED:
 GPS 400W, GNC 420W, GNS 430W, GPS 500W, GNS 530W installed using the Approved Model List (AML) Supplemental Type Certificate SA01933LA-D are affected.