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The following EICAS messages can be displayed.
Note: Configuration warning messages are covered in Chapter 15, Warning
Systems.
EICAS Alert Messages
Message Level Aural Condition
AIR/GND
SYSTEM
Advisory Air/ground sensing system failed to the air
position.
Message Level Aural Condition
ANTISKID Advisory Fault which results in the loss of antiskid
protection to one or more wheels has
occured in the active antiskid system,
either normal or alternate.
ANTISKID OFF Advisory Antiskid power off on all wheels, or
parking brake lever released and parking
brake valve is not fully open, or a brake
system control unit power loss occurs.
AUTOBRAKES Advisory Autobrake systemdisarmed or inoperative,
or Autobrake selector OFF and system
armed, or RTO initiated above 85 knots
and brakes have not been applied.
>BODY GEAR
STRG
Advisory Body gear steering unlocked or
pressurized when not commanded.
BRAKE LIMITER Advisory A brake torque limiter failure has occured
on more than one wheel per truck, or
parking brake lever released and parking
brake valve not fully open, or a brake
system control unit power loss occurs.
>BRAKE
SOURCE
Caution Beeper Hydraulic systems 4, 1, and 2 have low
pressure.
BRAKE TEMP Advisory Any brake temperature equal to or greater
than 5 units.
April 1, 2000
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
14.30.2 D6-30151-425
Landing Gear -
EICAS Messages
EICAS Memo Messages
GEAR DISAGREE Caution Beeper Gear position disagrees with Landing Gear
lever position after normal gear extension
time.
GEAR DOOR Advisory Any hydraulically actuated gear door not
closed after normal gear transit time.
Inhibited if alternate gear extension
selected.
GEAR TILT Caution Beeper Any main gear not tilted in flight.
Message Condition
AUTOBRAKES 1,
2, 3, 4
Autobrake level selected.
AUTOBRAKES
MAX
Autobrakes MAX selected.
AUTOBRAKES
RTO
Autobrakes RTO selected.
PARK BRAKE
SET
Parking brake valve closed.
Message Level Aural Condition
December 01, 1999
747 Operations Manual
Warning Systems Chapter 15
Table of Contents Section 0
Copyright © The Boeing Company. See title page for details.
D6-30151-425 15.TOC.0.1
Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.1
Engine Indication and Crew Alerting System(EICAS) . . . . . . . 15.10.1
EICASMessages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.1
EFIS/EICAS Interface Unit (EIU) Selector. . . . . . . . . . . . . . 15.10.3
Display Select Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.4
GPWS Alerts on PFD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.5
Master WARNING/CAUTION Reset Switches and
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.5
Traffic Alert and Collision Avoidance System (TCAS) . . . . . . . 15.10.6
TCAS Controls (Transponder Panel) . . . . . . . . . . . . . . . . . . 15.10.6
TCAS PFD Vertical Guidance. . . . . . . . . . . . . . . . . . . . . . . . 15.10.7
TCAS Traffic Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.8
Ground ProximityWarning System(GPWS) Controls . . . . . . . 15.10.9
Ground Proximity Panels. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.9
Decision Height Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.10
Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.11
EICAS Event Record Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 15.10.12
SystemDescription . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.20.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.20.1
Engine Indication and Crew Alerting System(EICAS) . . . . . . . 15.20.1
EFIS/EICAS Interface Unit (EIU). . . . . . . . . . . . . . . . . . . . . 15.20.1
EICASMessages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.20.1
Aural Alerts, Master WARNING/CAUTION Switches
and Lights, and GND PROX Light . . . . . . . . . . . . . . . . . . . . . . 15.20.4
Flight Deck Panel Annunciator Lights . . . . . . . . . . . . . . . . . . . . 15.20.5
Airspeed Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.20.5
StallWarning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.20.5
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