190-01754-01 Rev. 4
FAA Approved AFMS or Supplemental AFM for the Garmin G3X Touch EFIS
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3-1
3
EMERGENCY PROCEDURES
3.1 ADC Failure (GSU 25)
ADC FAIL
ADC failure is indicated by:
•
Red X over the airspeed and altitude tapes.
•
Red X over the vertical speed tape.
•
Red X over the TAS and OAT fields.
1. Use Standby Airspeed Indicator and Altimeter.
NOTE
If a Garmin G5 Electronic Flight Instrument is installed as the Standby Flight Instrument
and the primary ADC fails, the G3X Touch will automatically revert and use air data
from the G5. An amber
ADC REVERT
annunciation will automatically be displayed
on the PFD and air data from the G5 will be displayed on the G3X Touch. If installed,
the GFC 500 autopilot will function normally.
3.2 Attitude Failure (GSU 25)
AHRS FAIL
Attitude failure is indicated by:
•
removal of the sky/ground presentation.
•
Red X over the sky/ground presentation.
•
“
ATTITUDE FAIL
” on the PFD display.
OR
Degraded Attitude is indicated by:
•
Amber
AHRS ALIGN
displayed on the sky presentation
1. Use Standby Flight Instruments.
NOTE
If a Garmin G5 Electronic Flight Instrument is installed as the Standby Flight Instrument
and the primary AHRS fails, the G3X Touch automatically reverts and uses attitude
information from the G5. An amber
AHRS REVERT
annunciation will be displayed
on the PFD and attitude information from the G5 will automatically be displayed on the
G3X Touch. If installed, the GFC 500 autopilot will function normally.
