Operation Manual Part 2

Aerosoft – Digital Aviation
CRJ-70 & CRJ-900
AOM PART 2
Systems Description
VOL
5
5-1-11
26-Jul-2017
To reduce information during flight phases with high stress level, the DCUs filter information:
Inhibit
Inhibit is enabled when:
Inhibit is removed when:
Initial take-off
• Left and right engine N
1
is greater than
79%,
• weight-on-wheels, and airspeed is less
than 100 knots.
• Left and right engine N
1
is less than
67.6%, or
• Airplane is in the final take-off phase
Final take-off
• Left and right engine N1 is greater
than 79%, and
• airspeed transitions to greater than
100 knots.
• Left and right engine N1 is less than
67.6%, or
• Radio altitude is greater than 400 ft
AGL, or
• 30 seconds after ground to air
transition.
Aircraft System
Warning Message
(Inhibited during take-off)
Aural
(Inhibited during take-off)
Environmental Control
System
CABIN ALT Cabin Pressure
Flight Controls
Overspeed Clacker
Landing Gear
• GEAR DISAGREE
• NOSE DOOR OPEN
• Gear Disagree
• Nose Door
Landing
• Radio altitude transitions to less than
400 ft AGL, and
• landing gear down and locked.
• 30 seconds after air to ground
transition or
• Radio altitude transitions from less
than 400 ft to greater than 400 ft.
Aircraft System
Warning Message
(Inhibited during take-off)
Aural
(Inhibited during take-off)
Auxiliary Power Unit
APU OVERTEMP
APU
Doors
PASSENGER DOOR
Door
Environmental Control
System
• CABIN ALT
• DIFF PRESS
• Cabin Pressure
• Cabin Pressure
Ice and Rain Protection
• ANTI-ICE DUCT
• L COWL A/I DUCT
• R COWL A/I DUCT
• WING OVHT
• Anti-Ice Duct
• Anti-Ice Duct
• Anti-Ice Duct
• Wing Overheat
Landing Gear
NOSE DOOR OPEN
Node Door
Power Plant
• L ENG OIL PRESS
• R ENG OIL PRESS
• Engine Oil
• Engine Oil