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• aircraft is on a runway and aligned within 20 degrees of
runway heading;
• aircraft approaches within 100 feet (or 30 metres for the
metric option) of the runway end; and
• aircraft groundspeed is below 40 knots.
060-4241-000 • Rev. E - December 2003
86 MK V & MK VII EGPWS Pilot Guide
Configurable Feature Option
Distance Unit of Measurement Feet or Metres
Voice Gender Female or Male
GPS Antenna Location
Customer-selected location based on
aircraft installation
Taxiway Takeoff
Insufficient Runway Length - On Ground
(Takeoff)
Off
or on using customer - selected nominal
runway length based on
Extended Holding - On Runway INITIAL: 60, 90, 120, 180, 240, 300, Off
REPEAT: 30, 60, 90, 120, 180, 240, 300, Off
Distance Remaining - Rejected Takeoff
Approaching Runway - In Air
Advisory suppression zone
Off or On
550 - 450 feet AFE or 450 - 350 feet AFE
Approaching Short Runway - In Air (Landing)
Off
Distance Remaining - Landing
Runway End Callout
aircraft type,
or always on
or on using customer - selected nominal
runway length based on aircraft type,
or always on
Off or On
Off or On
Off or On
Off or On
Landing
Roll-Out
Continued
The aural message is “One-hundred remaining” for systems configured
in feet and “Thirty remaining” for a metric configuration.
34L 16R
A9 A6
A7
A5 A4 A3 A2 A1
A A
B
11
29
34R 16L
G5 G4 G3 G2 G1
G6
G
D
D1
D2
D3
D4
A8
“100 Remaining” Example in feet
Example of Runway End Advisory in feet
The options listed below are selected by your company and setup
during the installation of RAAS. The flight crew cannot
configure them.
SECTION 4
RAAS
Options
RAAS Options
060-4241-000 • Rev. E - December 2003
MK V & MK VII EGPWS Pilot Guide 87
RAAS advisories are heard over the same aircraft audio systems
that presently provide EGPWS audio caution and warning alerts in
the flight deck. The volume of RAAS advisories is controlled by
the EGPWS - the RAAS message volume level is based on the expected
flight operation for each advisory. RAAS employs three
relative audio volume levels:
SECTION 5
Audio
Levels
Audio Level Advisory
High The Taxiway Take-Off Advisory is issued at the EGPWS caution and
warning alert volume level plus 3 dB.
Medium Distance Remaining Advisories are issued at the same volume level as
EGPWS cautions and warnings.
Low All other in-air and on-ground advisories (excludes Distance Remaining
and Taxiway Takeoff Advisories) are issued at the same volume level as
the EGPWS cautions and warnings volume level minus 6 dB.
Audio Levels
RAAS is operationally available anytime the EGPWS is powered
and the following conditions are met:
• The software for the RAAS functions have been loaded and
enabled into an EGPWS by your company (with software
version -218-218 (or later) and a minimum of Terrain Data
base 435);
• The aircraft is on or approaching an airport in the RAAS
runway database; and
• RAAS is functional (e.g. all external signals are available and
not faulted, GPS position accuracy meets minimum RAAS
requirements, there are no internal EGPWS faults).
SECTION 6
Operational
Availability
060-4241-000 • Rev. E - December 2003
88 MK V & MK VII EGPWS Pilot Guide
RAAS operational availability is integrated into the existing EGPWS
fault monitoring and self-test functions. Consistent with approved
EGPWS self-test design, the loss of RAAS functions is indicated
on-ground only during an EGPWS self-test. There is no automatic
annunciation of the loss of RAAS functionality. The audio self-test
messages are as follows.
Operational
Availability
Continued
RAAS Self-Test Audio Messages
Audio Message Conditions
“Runway Awareness OK Feet” RAAS software enabled, functioning, has good position information,
and is at a validated airport. Feet will be annunciated in the gender
voice option (male or female) selected for RAAS.
“Runway Awareness OK Metres” RAAS software enabled, functioning, has good position information,
and is at a validated airport. Metres will be annunciated in the
gender voice option (male or female) selected for RAAS.
“Runway Awareness Not Available” RAAS software enabled, but the system either has no position
information, the accuracy of the position information is insufficient
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