Q. How do I know that the RAAS is enabled?
A. Perform an EGPWS self-test or 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. These functions available only when
aircraft is on the ground.
Q. How can the flight crew determine which RAAS database
is currently loaded in the EGPWS computer?
A. The RAAS status message on the Terrain Display during
the EGPWS self-test (see last question) also displays the
version of the currently installed database.
Q. How can the flight crew determine if RAAS will work at
the destination airport upon arrival?
A. RAAS status can be displayed on the Terrain Display only
when the aircraft is on the ground. The crew should check in
advance if the destination airport is included in the RAAS
database – see answer to the next question. Once on the
ground at the destination airport, RAAS status can be
displayed on the Terrain Display.
Q. How can the flight crew determine what airports are
enabled for RAAS?
A. Details of the specific airports included in the RAAS
database and procedures for operators to acquire the latest
www.egpws.com. A telephone number for voice contact is
included as well.
Q. Who do I contact for help with a RAAS database issue
(such as adding an airport to the RAAS database), or a
problem encountered in the operation of RAAS at a particular
A. An online form for RAAS discrepancies is provided on the
Internet at www.egpws.com. A telephone number for voice
contact is included as well.
877-436-2005 (In U.S.)
602-436-2005 (Outside U.S.)
Mark V and Mark VII EGPWS Pilot's Guide
Rev H, August 2011