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Honeywell
MK VI MK VIII EGPWS Installation Design Guide
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CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-150 REV:
SHEET
110
(Lamp Format Type 2 definition)
GPWS Warning discrete (J1-78) will activate during any Mode 1 or 2 Pull Up warning, Terrain Awareness
warning, or Obstacle Awareness warning. This feature activates a ‘GPWS’ lamp located in the cockpit within
sight of each pilot.
3.15.2.6 GPWS Aler t Discrete
(Lamp Format Type 1 definition)
GPWS Alert discrete (J1-77) will activate during Mode 5 Glideslope cautions only. This feature activates a
‘BELOW GS’ amber lamp located in the cockpit within sight of each pilot.
(Lamp Format Type 2 definition)
GPWS Alert discrete (J1-77) will activate during any Mode 1 Sinkrate, Mode 3 Don’t Sink, Mode 4 Too Low
Gear, Too Low Flaps, Too Low Terrain, Mode 5 Glideslope, Terrain Awareness caution, or Obstacle Awareness
caution. This feature activates a ‘GPWS’ amber lamp located in the cockpit within sight of each pilot.
3.15.2.7 Glideslope Cancel’d Discrete
-Optional- Glideslope Cancel’d discrete (J1-76) will activate when the Glideslope Cancel discrete (momentary)
has been pressed any time below 2000 feet Radio Altitude if the ILS is tuned. This feature activates a ‘G/S
CANCLD” amber lamp located in the cockpit within sight of the pilots.
3.15.2.8 Flap Overri de Discrete
-Optional- Flap Override discrete (J1-73) will activate after either pilot has initiated the manual selection of the
Flap Override (momentary) discrete. This feature activates a ‘GPWS FLAP OVRD” blue lamp located in the
cockpit within sight of the pilots. The lamp serves to remind the flight crew that this function is active.
3.15.2.9 Steep Appro ach Discrete
Steep Approach discrete (J1-52) will activate when the Steep Approach discrete (momentary action) has been
pressed. This feature activates a “STP APR” amber lamp located within sight of the pilots.
3.15.2.10 Audio On D iscrete (TCAS/TAS Inhibit)
-Optional- Audio On discrete (J1-69) will activate during any EGPWS voice annunciation. This output is used to
inhibit other systems (such as TCAS or TAS) from talking during EGPWS annunciation. This feature does not
have a lamp associated with it.