Garmin G1000 NXi Pilot’s Guide for the Cessna NAV III
190-02177-02 Rev. A
368
AUTOMATIC FLIGHT CONTROL SYSTEM
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL FEA
TURES
APPENDICES
INDEX
AFCS STATUS BOX
Flight director mode annunciations are displayed on the PFD when the flight director is active. Flight director
selection and autopilot status is shown in the center of the AFCS Status Box. Lateral flight director modes are
displayed on the left and vertical on the right. Armed modes are displayed in white and active in green.
Figure 7-2 PFD AFCS Display
Selected
Altitude
GPS is
Selected
Navigation
Source
Command
Bars
AFCS Status Box
Lateral Modes
Active
Autopilot
Status
Active
Mode
Reference
Armed
Vertical Modes
Armed
FLIGHT DIRECTOR MODES
Flight director modes are normally selected independently for the pitch and roll axes. Unless otherwise
specified, all mode keys are alternate action (i.e., press on, press off). In the absence of specific mode selection,
the flight director reverts to the default pitch and/or roll modes.
Armed modes are annunciated in white and active in green in the AFCS Status Box. Under normal operation,
when the control for the active flight director mode is pressed, the flight director reverts to the default mode(s)
for the axis(es). Automatic transition from armed to active mode is indicated by the white armed mode
annunciation moving to the green active mode field and flashing for 10 seconds.
If the information required to compute a flight director mode becomes invalid or unavailable, the flight
director automatically reverts to the default mode for that axis. A flashing amber mode annunciation and
annunciator light indicate loss of sensor (ADC) or navigation data (VOR, LOC, GPS, VNV, SBAS) required to
compute commands. When such a loss occurs, the system automatically begins to roll the wings level (enters
