Operation Manual Part 2

Aerosoft – Digital Aviation
CRJ-70 & CRJ-900
AOM PART 2
Systems Description
VOL
5
5-1-13
26-Jul-2017
TAKE-OFF WARNING
A lot of aircraft do have take-off configuration warning. The actuals aircraft is checked according a
pre-defined logic and in case a deviation is recognized, the crew is informed. The CRJ does this
automatically as soon as the engines are accelerated beyond 70% N
1
.
The following systems / conditions are checked:
Condition
Voice Message
EICAS Message
Autopilot engaged
Config autopilot
CONFIG AP
Flaps not in take-off position
Config flaps
CONFIG FLAPS
All spoilers not in take-off position
(down)
Config spoilers
CONFIG SPLRS
Horizontal stabilizer outside take-off
range (green band)
Config trim
CONFIG STAB
Parking brake set
Config Brakes
PARKING BRAKE SET
Rudder trim outside of take-off
range (trim > ±1 degree)
Config trim
CONFIG RUDDER
Aileron trim outside of take-off range
(trim > ±1 degree)
Config trim
CONFIG AILERON
If the aircraft detects a deviation it is considered unsafe for take-off. Aural and warning messages
will indicate if such a condition is detected. Furthermore, both MASTER WARNING lights come on.
As soon as the triggering system is corrected, the warning is silenced.