Mark V and Mark VII EGPWS Pilot’s Guide
060-4241-000
Operational Procedure
Rev H, August 2011
49
Monitor functions which provide Caution annunciations can
be configured to activate the existing GPWS inoperative
indicator if the function is inoperative.
Refer to an appropriate AFM or EGPWS AFMS for specific
system and status requirements.
EGPWS
Self-Test
The EGPWS provides a Self-Test capability for verifying and
indicating intended functions. This Self-Test capability
consists of six levels to aid in testing and troubleshooting the
EGPWS.
These six levels are:
Level 1 –
Go/No Go Test
provides an overview of the current
operational functions and an indication of their
status.
Level 2 –
Current Faults
provides a list of the internal and
external faults currently detected by the EGPWC.
Level 3 –
EGPWS Configuration
indicates the current
configuration by listing the EGPWS hardware,
software, databases, and program pin inputs
detected by the EGPWC.
Level 4 –
Fault History
provides an historical record of the
internal and external faults detected by the
EGPWC.
Level 5 –
Warning History
provides an historical record of
the alerts given by the EGPWS.
Level 6 –
Discrete Test
provides audible indication of any
change to a discrete input state.
A level 1 Go/No Go Test is normally performed by flight
crews as part of preflight checks. All other levels are typically
used for installation checkout and maintenance operations.
Level 1
Self-Test
Level 1 Self-Test is used to verify proper operation of the
EGPWS on the ground as follows:
1.
Ensure that adequate aircraft power is available and the
EGPWS and associated systems are powered.
2.
Ensure that any EGPWS inhibiting switches are in the
normal (non-inhibiting) position.
3.
Verify that EGPWS inoperative annunciations are
extinguished. If an inoperative annunciation is indicated,
perform the EGPWS Self-Test (below) and then seek
corrective action if the inoperative condition persists.
4.
If a terrain display is enabled, select terrain to be
displayed.
5.
Momentarily depress the EGPWS Self-Test switch.
Summary of Contents for EGPWS MK V
Page 1: ...FILE ONLY Release 08 Aug 2011 14 50 02 MST Printed on 01 Mar 2013 ...
Page 2: ......
Page 4: ......
Page 124: ...Mark V and Mark VII EGPWS Pilot s Guide 060 4241 000 118 Rev H August 2011 ...
Page 125: ......