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SECTION 3 Operational Procedures ................................................ 44
SECTION 4 Definitions .................................................................... 55
Runway Awareness And Advisory System ................................... 57
Request for Information .................................................................... 92
060-4241-000 • Rev. E - December 2003
2 MK V & MK VII EGPWS Pilot Guide
This Pilot Guide describes the functions and operation of the
MKV and MKVII Enhanced Ground Proximity Warning System
(EGPWS).
The document is divided into four sections: Section 1 is this
introduction and the following brief description of the EGPWS
and its features; Section 2 provides a functional description of
the EGPWS. This includes descriptions of the various system
modes, Built-In Test (BIT) and monitoring functions, and
system features; Section 3 provides general operating
procedures to follow when the system gives a caution or
warning alert; Section 4 provides definitions of terms used in
this manual.
This guide does not supercede FAA approved data,
Flight Manuals, individual Operations Manuals,
requirements, or procedures. Pilots should be
thoroughly familiar with their own company policies,
system configuration, requirements, and procedures
with respect to the operation of aircraft with the
EGPWS.
The information in this document is intended as a general
explanation of the Honeywell EGPWS. It contains a general
description of system performance assuming identified options
are active, and highlights deviations in system performance
resulting when a feature is disabled.
The EGPWS is a Terrain Awareness and Alerting system
providing terrain alerting and display functions with additional
features.
The EGPWS uses aircraft inputs including geographic position,
attitude, altitude, airspeed, and glideslope deviation. These are
used with internal terrain, obstacles, and airport databases to
predict a potential conflict between the aircraft flight path and
terrain or an obstacle. A terrain or obstacle conflict results in
the EGPWS providing a visual and audio caution or warning alert.
Additionally, the EGPWS provides alerts for excessive glideslope
deviation, too low with flaps or gear not in landing
configuration, and optionally provides bank angle and altitude
callouts based on system program pin selection. Detection of
severe windshear conditions is also provided for selected
aircraft types when enabled.
What is the
EGPWS?
SECTION 1
Introduction
060-4241-000 • Rev. E - December 2003
MK V & MK VII EGPWS Pilot Guide 3
The EGPWS incorporates several “enhanced” features:
• Terrain Alerting and Display (TAD) provides a graphic
display of the surrounding terrain on the Weather Radar
Indicator, EFIS, or a dedicated display. Based on the
aircraft’s position and the internal database, the terrain
topography (within the display range selected) that is above
or within 2000 feet below the aircraft altitude is presented on
the system display. This feature is an option, enabled by
program pins during installation.
• “Peaks” is a TAD supplemental feature providing additional
terrain display features for enhanced situational awareness,
independent of the aircraft’s altitude. This includes digital
elevations for the highest and lowest displayed terrain,
additional elevation (color) bands, and a unique representation
of 0 MSL elevation (sea level and its corresponding
shoreline). This feature is an option, enabled by program
pins during installation.
• “Obstacles” is a feature utilizing an obstacle database for
obstacle conflict alerting and display. EGPWS caution and
warning visual and audio alerts are provided when a conflict
is detected. Additionally, when TAD is enabled, Obstacles are
graphically displayed similar to terrain. This feature is an
option, enabled by program pins during installation.
• A process feature called Envelope Modulation utilizes the
internal database to tailor EGPWS alerts at certain geographic
locations to reduce nuisance alerts and provide added
protection.
• A Terrain Clearance Floor feature adds an additional
element of protection by alerting the pilot of possible
premature descent. This is intended for non-precision
approaches and is based on the current aircraft position
relative to the nearest runway. This feature is enabled with
the TAD feature.
• In -210-210 and later versions, a Runway Field Clearance
Floor (RFCF) feature is included. This is similar to the TCF
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