EICAS
What can it show
Engine Parameter
Upper Display
Primary Engine Parameter (N1, EGT, Etc)
Lower Display
Secondary Engine Parameter (Fuel Flow, Oil Quantity, Vibration, Etc)
How to operate
Display Select Display to select information to display on MFD
What can it do?
Alerts
Level B: AMBER colour display (Caution)
Warning lights and Audio alert
Level C: AMBER colour display (Status)
Display message on EICAS display, will not set off warning and audio
Level A: RED colour display (Warning)
Warning lights and Audio alert
Aural Warnings
Illumination of Master Warning lights
Bell= Fire Alert
Voice= Ground Proximity
Siren = Every other warnings
Red Message on the Primary Display
Compact display
Primary and secondary engine indications are combined on
the same display.
Engine Electronic Control
Each engine has a full authority digital EEC.
Each EEC has two independent
control channels, with automatic channel transfer if the operating channel fails.
N1 indication
Control knob knob consist of a outer knob and inner knob and can be found on the center forward panel
Can be set to 1, 2, auto or both
Idle operation
Ground minimum Idle
Flight minimum Idle
Approach Idle
AUTO: reference N1 bugs set by FMC based on N1 limit page and take off
BOTH: reference N1 bugs at active N1 limit for A/T
Increases N1 and N2 RPM in case of a Go-Around
1 or 2: respective N1 reference bug and readout manually set by turning N1 SET inner knob
Fuel flow switch
Located at the center forward panel
USED: pointer and shading are removed, display fuel used since last reset and after 10 second display auto reverts to fuel flow
RATE: display fuel flow to engine
Normal Operation
EEC uses sensed flight conditions and bleed air demand
to calculate N1 thrust ratings.
RESET: pointer and shading removed, resets fuel used to zero and display fuel used momentarily, decreases to zero then displays fuel flow
The EEC compares commanded N1 to actual N1
and adjusts fuel flow to achieve the commanded N1.
The N1 and EGT indications are displayed as they are normally.
All other indications change to digital readouts only. N2, oil temperature, and oil
pressure digital readouts turn red or amber if an exceedance occurs.