Mooney M20M, Pilot Operating Handbook

Page: 279 / 377

GI 275 Part 23 AML STC
190-02246-12 Rev. 4
Airplane Flight Manual Supplement Page 39 of 70
FAA APPROVED
3.3.3 Advisories – White
Annunciation Pilot Action Cause
ATTITUDE, ALT,
or IAS
(text on ADI) Be aware that the
other (unselected)
AHRS/ADC source is
not available The other (unselected)
AHRS/ADC source is
unavailable.
AHRS 1/2/3 Confirm intended
AHRS source
selection The ADI is using the cross-
side AHRS sensor (multiple
ADI and ADC installations
only).
ADC 1/2/3 Confirm intended
ADC source selection The ADI is using the cross-
side ADC sensor (multiple
ADI and ADC installations
only).
Messages Icon View and consider
advisory messages.
Refer to the GI 275
Pilot Guide for
appropriate pilot or
service action. Typically, these indicate
system or database status, or
data communication issues
within the GI 275 System.
Terrain Inhibited Use vigilance, traffic
system will not
provide alerting. Terrain is inhibited or a
terrain test is in progress
External Navigator
Message Icon View and consider
advisory messages on
interfaced navigator.
Refer to Pilot Guide
for the external
navigator for
appropriate pilot of
service action. Typically, these indicate
system or database status.