190-01754-01 Rev. 4
FAA Approved AFMS or Supplemental AFM for the Garmin G3X Touch EFIS
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3-7
CAUTION Annunciations
– Amber
Annunciation
Pilot Action
Cause
AP
Manually fly the airplane
Pilot has disconnected the autopilot
YD
NONE
Yaw Damper has disconnected
↑ TRIM UP ↑
Move the elevator trim in the nose up direction
until the annunciation extinguishes.
The autopilot is holding excessive force due
to the aircraft being out of trim due to
changes in airspeed or power.
↓TRIM DOWN↓
Move the elevator trim in the nose down
direction until the annunciation extinguishes.
The autopilot is holding excessive force due
to the aircraft being out of trim due to
changes in airspeed or power.
MIN SPEED
Add maximum available power. Autopilot
will lower aircraft nose to increase airspeed.
Airspeed is too slow, approaching stall
speed.
MAX SPEED
Reduce power. Autopilot will raise aircraft
nose to reduce airspeed.
Airspeed is approaching maximum
airspeed limit.
HDG
(amber
background)
Use standby compass
Displayed heading is outside of the internal
accuracy limits.
Select full screen mode on display to view
CAUTION annunciations.
Display is in split screen mode and
CAUTION annunciations are not displayed.
AHRS ALIGN
–
Keep Wings
Level
Fly aircraft manually and crosscheck attitude
indication with standby attitude indicator and
other sources of attitude information. Limit
aircraft attitude to ±10º bank and ±5º pitch as
AHRS Aligns - OK to taxi.
Attitude and Heading Reference System is
aligning. AHRS may not align with
excessive pitch/bank angles.
AHRS ALIGN
Fly aircraft manually and crosscheck attitude
indication with standby attitude indicator and
other sources of attitude information
(airspeed, heading, altitude, etc.)
The AHRS monitors have detected a
possible AHRS malfunction or an error with
the attitude presentation. The AHRS is
attempting to realign itself. The autopilot
may automatically disconnect.
ATT MISCOMP
Cross-check the flagged information against
other sources to identify erroneous
information.
Difference detected between the G3X
Touch attitude display and the G5 attitude
display.
AHRS FAIL
ATTITUDE FAIL
Use standby attitude source, or, if AHRS
REVERT message is also displayed, continue
to use the G3X Touch. Attitude will be from
the G5.
The GSU 25 AHRS has failed.
AHRS REVERT
Continue to use the G3X Touch.
The GSU 25 AHRS has failed and attitude
from the G5 is being displayed on the G3X
Touch.
AIR MISCOMP
IAS MISCOMP
Cross-check the flagged information against
other sources to identify erroneous
information.
Difference detected between the G3X
Touch airspeed or altitude and the G5
airspeed or altitude.
