What was found
(AUS) GPS INTERFACE TO HSI AND AIRDATA SYSTEM FAULTY ALLOWING AIRCRAFT TO WANDER IN AUTOPILOT NAV MODE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) GPS INTERFACE TO HSI AND AIRDATA SYSTEM FAULTY ALLOWING AIRCRAFT TO WANDER IN AUTOPILOT NAV MODE.