Operation Manual Part 2

Aerosoft – Digital Aviation
CRJ-70 & CRJ-900
AOM PART 2
Systems Description
VOL
5
5-1-19
26-Jul-2017
As soon as the autopilot is
activated or synchronization is
activated the current airspeed is
selected as the reference speed.
Capture of
preselected altitude
automatically
deactivates speed
mode.
Vertical
speed
mode
Generates commands to
maintain and preselected
vertical speed.
The selected vertical speed is
displayed on the PFD and may
be selected in a range of ±
12,000 ft/min using the pitch
wheel.
As soon as the autopilot is
engaged or synchronization
selected, the reference vertical
speed is set to the current
vertical speed.
In case a new altitude is
preselected, the altitude must
be preset before activating VS
mode.
Green
VS #.# or
VS #.#
The #.# shows
the current
vertical speed
in thousands
of feet/minute
Push the VS
switch
Push VS switch
again.
Selecting a different
vertical mode
Capture of
preselected altitude
automatically
deactivates vertical
speed mode.
Glideslope
mode
Generates commands to
capture and follow a glideslope
signal. Capture may be
performed from above and
below the glideslope.
Green GS
message
Glideslope mode
is activated
automatically,
when APR mode
is active, the
aircraft is flying
towards
(inbound) a
navigation
source with a
valid glideslope
signal.
Turning outbound
or dialling in a
different navigation
source, deactivating
APP mode clears
glideslope mode.
Vertical
go-around
mode
Fixed pitch-up command. The
commanded pitch angle
depends on if both engines are
running or one engine is
inoperative.
Activation automatically turns
on both flight directors
disengages both autopilots and
clears all other modes.
The resulting autopilot
disengagement warning sound
may be cancelled by pressing
the TOGA switch again.
Green GA
message
Press TOGA
switch on thrust
lever
Engaging the
autopilot.
Selecting
synchronization.
Selection /
capturing or
another active
mode.