ECIAS Flashcards
EICAS CREW ALERTING SYSTEM CONSISTS OF
TCAS, GPWS and Airplane system alerts
Airplane crew alerting system is provided by
AIMS- AIRPLANE INFORMATION MANAGEMENT SYSTEM
WES- Warning electronic system operates
Master warning lights
Aural annunciation
Stall warning stick shaker
EICAS OPERATES
Master caution lights Warning lights Caution alerts Advisory alerts Comm alerts Memo messages Status messages
System alerts are classified as
Time critical warnings
Warnings
Cautions
Advisories
Time critical requires
Immediate awareness and crew actions
Mostly associated with flight path control
Displayed on captains and FO PFD
WArning lights and aural
Aural warning siren activates
Auto pilot disconnect Over speed Config warnings Stabilizer Cabin altitude
First three even after master caution pushed sound will still be there until condition no longer exists
Engine fire bell activates
Engine fire
APU fire
Cargo compartments
Wheel well fire
Msg will remain though until conditions no longer exist
Caution level alert messages require
Immediate crew awareness and may require crew action
Should be accomplished in a timely manner
Advisory level alert messages
Are indented one space to differentiate from any displayed caution level alert messages
No light or aural with these messages
Require crew awareness and may require crew action
Time permits basis
Medium level alert message
Accompanied by a high/low aural chime to to identify an incoming communication message, immediate crew awareness and prompt response
Low level comm alert messages
Display below med level and identify communications that require timely crew awareness and response
One space below
Memo messages
White text and at bottom of EICAS display area
Display/recall switch
Used to cancel or recall caution and advisory level alert messages
EICAS Cancellation of Advisory and alert level messages
Only removes from display not from memory if associated condition still exists
EICAS EVENT RECORD SWITCH
Located on centre display control panel
Used to manually capture and record any suspect condition into EICAS Memory
Status information
Available to crew to aid in identifying system faults affecting airplane dispatch
Engine inhibits
When engine intentionally shut down
Master caution lights and aural beeper are inhibited
Ground engine start inhibits
Caution and advisory level alert messages are inhibited
From engine start switch engagement Until first engine reaches idle The star is aborted Or Five minutes have elapsed
Status cue inhibit
From engine start to until 30minutes after lift off
Status cue inhibit cancelled
During RTO
When thrust on both engines is reduced below takeoff thrust
Communication and Aural China inhibited
Takeoff thrust Until 400ft RA Or 20 seconds after takeoff Cabin alert communication messages exempt
Caution messages
Are not inhibited during takeoff and display on EICAS as conditions dictate
RTO Above 80 knots
Master caution lights and aural beeper inhibits are cancelled once GS is below 75 knots
Master warning lights and fire bell inhibited
At V1 or rotation whichever occurs first
Until 400 ft RA or 25 seconds after inhibit began whichever occurs first
Configuration gear warning inhibit
At gear unlock for retraction until 825ft RA or 150 seconds after inhibit began whichever occurs first
Landing inhibits
Altitude alerting is inhibited with G/S capture or with landing flaps selected and landing gear down
Status cue, comm alerts and aural chime inhibited during descent from 800 ft RA to 75 knots GS
Cabin alert msg exempt
Exempt inhibits during descent
auto pilot
No auto land
Speed brake extended
Auto throttle disc
Config warning system prior to departure
Config doors Config gear steering Parking brake Flaps Rudder Spoilers Stabilizer
May also indicate that 1 or both master warning lights or one or both warning loud speakers inop
Inflight config warning system
Config gear or speed brake extended
