What was found
SEPTEMBER 1, 2026, WHILE ENROUTE ON A PASSENGERS CHARTER TRIP FROM EYW TO OKC AT 60 N.M. SOUTH OF WAYPOINT JAWJA IN VMC CONDITIONS AT FLT 400 PLANE EXPERIENCED AHRS FAILURE. BOTH PFD SCREENS DISPLAYED RED X FOR AUTOMATION INCLUDING AUTO PILOT, FLIGHT DIRECTOR, ALTITUDE HOLD, HEADING, VS, NAVIGATION MODES EMERGENCY CHECKLIST THEN DIVERTED TO GNV. HAND FLEW AIRPLANE FROM ALTITUDE TO GNV WITH 3 PAX ON BOARD. NO EMERGENCY WAS DECLARED.