060-4314-000 • Rev. C - May 2004
MK VI & MK VIII EGPWS Pilot Guide
55
Terrain
Alerting and
Clearance
Floor
Emergency
Procedures
If a discrete back course signal is available from another sys-
tem, the EGPWS may be connected to that system using the
G/S Inhibit input for automatic Mode 5 inhibiting.
NOTE: Implementation of the Glideslope Cancel and/or Inhibit
inputs to the EGPWS varies. Verify a particular application to de
-
termine the implementation used.
Pressing the TERRAIN INHIBIT switch inhibits TAD and TCF alert
-
ing and display, including Obstacles and Peaks when enabled.
This is typically used when operating at an airport not in the
terrain database. Selection of Terrain Inhibit does not cause the
Terrain Inoperative or unavailable annunciation unless the air
-
craft is wired for this to occur. Terrain Inhibit requires manual
deactivation.
The EGPWS Flap Override, TAD/TCF Inhibit, or other switches (as
installed) may be used as required for an emergency (e.g., land
-
ing with less than landing flaps, ditching, etc.).
For additional information refer to an applicable AFM or EGPWS
AFMS or contact Honeywell.
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