Page C-52
G900X/G950 Installation and Maintenance Manual – PICP & Warranty Registration
Revision D
190-00719-00
C.2.22.2 GIA Failure Test
Step Desired
Result
Single GIA Failure Conditions:
1. Remove power from GIA 1.
2. Check for desired results.
3. Restore power to GIA 1. Allow to re-
acquire satellites.
4. Remove power from GIA 2.
5. Check for desired results.
6. Restore power to GIA 2.
GIA 1 Failure - For a GIA 1 failure, the following shall
flag invalid:
9
COM/NAV 1 field
9
NAV 1 CDI loses deviation bar
GIA 2 Power Failure - For a GIA 2 failure, the
following shall flag invalid:
9
COM/NAV 2 field
9
NAV 2 CDI loses deviation bar
Dual GIA Failure Conditions:
1. Remove power from both GIA units.
2. Check for desired results.
3. Restore power to both GIA units.
Dual GIA Failure – For a dual GIA failure, only the
following shall occur:
9
COM/NAV 1 & COM/NAV 2 fields flag invalid
9
GPS CDI flags INTEG on PFD
9
NAV 1, 2 CDI loses deviation bar
9
XPDR field flags invalid on PFD
9
Engine Instrument field flags invalid on MFD
9
All AHRS & ADC fields valid