Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-12 Rev. A
13-11
SECTION 13 – ANNUNCIATIONS
& ALERTS
A red ‘X’ may be the result of an LRU or an LRU function failure. The Figure 13-6 illustrates all possible flags and the
responsible LRUs.
Figure 13-6 G1000 System Failure Annunciations
GDC 74A Air Data
Computer
GTX 33 Transponder
Or
GIA 63/63W
Integrated Avionics
Units
GDC 74A Air Data
Computer
GEA 71 Engine
Airframe Unit
Or
GIA 63/63W
Integrated Avionics
Unit
GIA 63/63W
Integrated Avionics
Units
GRS 77 AHRS
Or
GMU 44
Magnetometer
GIA 63/63W
Integrated Avionics
Units
GIA 63/63W
Integrated Avionics
Units
Database
Mismatch in
PFD and
MFD