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