Warning system Flashcards
What are the EICAS message priority levels
Warning
Caution
Advisory
Status
What happens when an EICAS is a WARNING?
requires immediate corrective action
What happens when an EICAS is a CAUTION?
requires immediate crew awareness
What happens when an EICAS is an ADVISORY?
requires crew awareness
What happens when an EICAS is a STATUS?
Indicates information
Root EICAS message priority?
Warning
Electrical Bus
Modular Avionics Unit (MAU)
How can I “scroll through” EICAS messages? How many messages can appear?
With the CCD. Up to 15 messages can appear. You cannot scroll through warning messages
When will a windshear warning appear? Caution? Will a caution provide escape guidance? What altitude?
Wind shear detection is activated between 10ft and 1500ft RA during TOL and GA
Warning is a decrease in performance, loss of airspeed/altitude… will have escape guidance
Caution is an increase in performance increasing HW…caution will not provide guidance unless you press TOGA
Can you manually activate windshear escape guidance?
Yes, when you press the TO/GA during a caution windshear a
Define Upset
> 25 degrees nose up
> 10 degrees nose down
Bank angle >45 degrees
Airspeed inappropriate for the conditions
Recite procedures to cure an upset
Recognize
Disconnect
Push
Roll
Thrust
Stabilize
Declare Emergency if in RVSM
When will and EGPWS warning occur?
- Excessive descent rates. Associated aural warning: SINK RATE and PULL UP
- Excessive terrain closure rates. Associated aural warning: TERRAIN, TERRAIN and PULL UP
- Altitude loss after takeoff. Associated aural warning: DON’T SINK, DON’T SINK
- Unsafe terrain clearance. Associated aural warning: TOO LOW TERRAIN, TOO LOW GEAR and TOO LOW FLAPS
- Excessive deviation below glideslope. Associated aural warning: GLIDESLOPE
Terrain/Terrain around an Airport Windshear
Only when flying into airports not in the GPWS database
Terrain/Terrain around an Airport Windshear
Only when flying into airports not in the GPWS database
When will you get a Flap or Gear warning?
1700ft RA when gear is not down or Flaps set 0
Gear warning when flaps are 5 or full independent of the Radar Altimeter