Master Warning System Flashcards
EICAS stands for …
Engine Indication and Crew Alerting System
What is the function of the DCU? (4)
Two Data Concentrator Units (A & B) …
- Collect Data from various aircraft systems
- Process the information
- Relay that information to the proper
component or display
- Generate aural warning signals when
necessary
The CAS prioritizes message(s) …
By order of importance and order of occurrence
The color RED denotes …
Warning condition or system limit exceeded
The color AMBER denotes …
Component or system failure (no flow, energy, or pressure)
The color GREEN denotes …
Normal Operation (normal flow, energy, or pressure)
The color WHITE denotes …
Normal status of component (pump, valve, etc.) or no flow through the line
The color MAGENTA denotes …
Invalid or unknown data
The four levels of importance for CAS messages are …
Warning - Red
Caution - Amber
Advisory - Cyan
Status - White
What message requires an immediate action?
Warning - Red
Triple Chime and Flashing Master Warning
May have a voice message with it
What message requires prompt action?
Caution - Amber
Single Chime and Flashing Master Caution
What is generated when crew awareness is required with possible crew action?
Advisory - Cyan
Some selected messages are inhibited for takeoff when …
Airspeed is above 80 knots until the aircraft reaches 400’ AGL or 1 minute elapses
Certain selected messages are inhibited during landing when …
The aircraft descends below 400’ AGL until the airspeed decreases below 40 knots
How can you disable and silence the aural warnings of a malfunctioning DCU?
Push one or both of the AURAL WARNING switches
Where are the AURAL WARNING switches located?
Aft cockpit bulkhead above CB 2 panel behind the copilot
How long does the CVR store recorded data?
Two hours
Where is the CVR located?
Aft equipment bay
Where is the area microphone which picks up sounds and voices in the flight compartment located?
Above the liquid compass on the windshield center post
The CVR starts recording as soon as …
Electrical power is applied to the aircraft
When the ERASE button is pushed on the CVR unit, all recorded information is erased provided what conditions are met? (3)
- Aircraft is on the ground
- Hydraulic systems are pressurized
- Parking brake is set
Where is the FDR located?
In the tail section accessed through the aft equipment bay
The FDR records and stores critical data for how long?
Twenty-five hours
The FDR starts to record when?
- STROBE/BEACON switch is placed in
BEACON or STROBE position - Weight-off-wheels sensed by the PSEU
MDC data is available on the top half of the right MFD when on the ground by doing what?
Pressing simultaneously the A/ICE, ECS, and FUEL buttons on the MCP
