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Aviation Alerts and Advisories

Service Advisory 21123: GPS Approach Mode

PRODUCTS AFFECTED:

G500/G600 TXi products with software versions 3.10 and later, interfaced to a GNS 4XX/5XX WAAS navigator capable of GPS approaches and a DFC90 digital autopilot are affected.

ISSUE:

The G500/G600 TXi does not allow the DFC90 to properly arm and activate GPS approach mode.

ACTION:

Be aware the system does not allow coupled precision RNAV approaches.

NOTE
ILS/LOC/VOR approaches work as intended.

RESOLUTION:

This issue will be fixed in a future G500/G600 TXi software release.

Service Advisory 21123 Rev A