AIRPLANE
OPERATIONS
MANUAL
LIMITATIONS
REVISION 41
1-01-30
Page
1
Code
03
Copyright © by Embraer. Refer to cover page for details.
ENHANCED GROUND PROXIMITY WARNING
SYSTEM (EGPWS)
The following limitations are applicable to the Enhanced Ground
Proximity Warning System (EGPWS):
− The Allied-Signal Enhanced Ground Proximity Warning System
Pilot’s Guide, Document Number 060-4241-000, March 1997
edition (or later revision of the manual) or certification authority
accepted Operating Manual, must be immediately available to the
flight crew.
− Allied-Signal Application Software version 202 and Configuration
Software version 202 or later must be installed.
− Navigation is not to be predicated on the use of the Terrain
Awareness Display.
−
The EGPWS displays and alerting algorithms prior version
-213-213 currently do not account for man-made obstacles.
− Pilots should inhibit the Terrain Awareness Alerting and Display
function by pressing the TERRAIN SYS OVRD button when within
15 NM of takeoff, approach, or landing at an airport when any of
the following conditions apply:
− The airport has no approved instrument approach procedure.
− The airport is not included in the Allied Signal data base.
− The longest runway is less than 1070 m (3500 ft) in length.
− Terrain Awareness Alerting and Display functionality must be
manually inhibited when the flight crew knows in advance that:
− An approach to an airport not included in the EGPWS database
will be performed;
− GPS is failed;
− QFE operation is the altimeter operational mode below the
transition altitude on approach into an airport which is more
than 200 ft above or below Sea Level (not applicable to
EGPWS software version 216 and on with FMS Honeywell or
FMS Universal Post Mod.SB145-34-0112).
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