Alerts Flashcards
When on battery power only what information will still be processed in the CCAS?
Warnings only, that portion of the CAC is powered by the DC essential bus
What two ways is a crew notified of a system failure?
- Directly through a local alert
2. A central alert through the CCAS
How many alert levels are there?
Four 3--warnings 2--alerts 1--advisories 0--information
What alert levels are processed in the CAC?
Level two and three
What lights on the CAP can be inhibited?
All smoke lights
level two amber lights except EFIS COMP
How long are the warnings inhibited after take off?
Until the gear begins to retract
What lights on the CAP can be cleared?
All amber lights, except
PARK BRAKE, GPWS FAULT, CCAS, and MAINT PANEL
What items does the take off configuration test check?
Flaps 15
Trim in the green
Power mgt to TO
(Note: it also performs an auto recall)
What additional item would cause a CONFIG warning on take off?
Parking brake not released
Angle of attack info is directly processed by the CCAS; what are the alert and shaker limits and the pusher limits?
ALERT and STICK SHAKER activation 12.5 degrees
STICK PUSHER activation 15 degrees
Stall alarm and shaker are inhibited on the ground
Pusher is inhibited on the ground and 10 seconds after take off
What occurs when horns and the icing is on?
Alert and shaker activation 7.5 degrees
Pusher activation 15 degrees
Note: during take off the icing AOA stall alert threshold is initially 8.5 and changes over in five minutes after takeoff, or when flaps up is selected, whichever comes first
Air for the pack is bled from where?
Normally from the low compressor stage, however at low engine speed when pressure from LP stage is insufficient the air is automatically switches to the high compressor stage
