Warning Systems Flashcards
How many EICAS computers are installed?
2
What is the function of the AUTO position of the EICAS computer selector?
Automatically transfers to the right computer if the left computer fails
How many events will the EICAS retain when the EVENT RECORD switch is pressed?
Only the last manual event
Which level of EICAS messages require immediate crew awareness and corrective action?
Warnings
How can EICAS warning messages be cleared?
By correcting the condition causing the warning
What type of non-normal situation is indicated by a bell aural alert?
Fire warning
When are the MASTER WARNING lights and Fire Bell inhibited?
From nose gear strut extension until 20 seconds elapsed time or 400’ RA (whichever occurs first)
Which non-normal situations does a siren indicate?
A, B, and C
Cabin altitude
Autopilot disconnect
Configuration and Overspeed warnings
What conditions will cause a takeoff configuration warning?
Flaps not in takeoff range, Speedbrakes not down, Stabilizer units outside the green band, and/or Parking brake set
When will the Landing Configuration Warning alert the crew if the gear is not down and locked?
Both A and B
At or below 800’ RA with either thrust lever set to idle
Any time the flaps are in a landing position
A Landing Configuration Warning siren can be cancelled by pressing the MASTER WARNING/CAUTION reset switch or correcting the configuration (resetting MW/MC switch will not silence for flaps in landing position and gear not down): T/F
True
What type of non-normal situation is indicated by a voice aural alert?
Time critical warnings
Which level of EICAS messages requires immediate crew awareness and possible corrective action?
Cautions
How is the Caution Beeper silenced?
Caution beeper will sound four times and silences automatically
When are the MASTER CAUTION lights and beeper inhibited?
On the ground with both fuel cutoff switches in cutoff. During takeoff from 80 knots to 400’ RA or 20 seconds after nose gear extension, whichever occurs first
How does a rejected takeoff above 80 knots affect the MASTER CAUTION lights and beeper?
They are inhibited until slowing below 75 knots
Which level of EICAS messages require routine crew awareness and possible corrective action?
Advisories
How can you distinguish EICAS Caution messages from Advisory messages?
Advisories are indented one character to the right and are not accompanied by the aural beeper
How can you identify the most recent EICAS message?
The most recent message is displayed at the top of its respective level
Describe how EICAS responds to an engine shutdown (Fuel Control switch in CUTOFF)
L or R ENG SHUTDOWN message inhibits associated Cautions and Advisories
What is the function of the CANCEL switch?
Displays next page if additional pages exist or cancels Caution and Advisory messages when the last page is displayed
What is the function of the RECALL switch?
Displays the first page of any previously cancelled EICAS messages if conditions still exist
What is the meaning of a STATUS cue appearing in the upper left corner of the lower EICAS display?
A new STATUS message exists
Where are the EICAS status messages located?
Right side of the STATUS page