190-00820-11 Rev. A
Pilot’s Guide for the Cirrus SR2x with Cirrus Perspective by Garmin
502
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
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 yellow 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
Roll Hold Mode) or maintain the pitch angle (enters Pitch Hold Mode), depending on the affected axis. The
flashing annunciation stops when the affected mode key is pressed or another mode for the axis is selected.
If after 10 seconds no action is taken, the flashing annunciation stops.
Figure 7-3 Loss of VOR Signal
The flight director is automatically disabled if the attitude information required to compute the default
flight director modes becomes invalid or unavailable.
COMMAND BARS
Upon activation of the flight director, Command Bars are displayed in magenta on the PFD. If the aircraft
is being flown by hand, the command bars are displayed hollow (Figure 7-4). The Command Bars do not
override the Aircraft Symbol. The Command Bars move together vertically to indicate pitch commands and
bank left or right to indicate roll commands.
Figure 7-4 Command Bars
Command Bars (Pilot Hand Flying Aircraft)
Aircraft Symbol
Command Bars
Command Bars (Autopilot Engaged)
If the attitude information being sent to the flight director becomes invalid or unavailable, the Command
Bars are removed from the display.
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