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Honeywell EGPWS MK V Pilot's Manual page 72

Enhanced ground proximity warning system
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Where And
RAAS requirements and there are no internal EGPWS faults).
The RAAS runway database is included as part of the
When Does
installed terrain/ obstacle/runway database, and is updated
RAAS Work?
periodically. Operators should ensure that they are using the
most recent RAAS runway database. Further details of the
Continued
specific airports included in the RAAS database and
procedures for operators to acquire the latest RAAS database
are
Alternatively contact Honeywell for further assistance. The
crew can verify the RAAS runway database in use for their
installation by viewing the terrain display test pattern during a
Go/No Go self-test.
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 a self-test. There
is no automatic annunciation of the loss of RAAS
functionality. RAAS status can also be displayed on the
terrain display. This is active only when the aircraft is on the
ground. RAAS Inoperative, Inhibit, and Not available
conditions are shown immediately on the display. For other
status messages see page 91. The procedure requires the flight
crew to select the terrain display followed by a change in the
displayed range (to a higher or lower range). RAAS status is
annunciated for two sweeps of the terrain display. This
feature is available on all aircraft, but is primarily intended
for those aircraft where the flight crew does not perform a
self-test. The various self-test messages are presented later in
the "Operational Availability" section.
®
Smart Runway
66
provided
on
the
Mark V and Mark VII EGPWS Pilot's Guide
Internet
at
www.egpws.com.
060-4241-000
Rev H, August 2011

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