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Mode 2 - Excessive Closure To Terrain - Honeywell EGPWS MK V Pilot's Manual

Enhanced ground proximity warning system
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M
1
ODE
Continued
Steep
Approach
Bias
MODE 2
Excessive
Closure to
Terrain
MODE 2A
060-4241-000 • Rev. D - March 2000
MK V & MK VII EGPWS Pilot Guide
If the Aural Declutter feature is disabled, the sinkrate alert
boundary remains fixed and the aural message "SINKRATE"
repeats continuously until the outer boundary is exited.
The EGPWS offers a Steep Approach option for given aircraft
types that desensitizes the alert boundaries to permit steeper
than normal approaches without unwanted alerts.
Mode 2 provides alerts to help protect the aircraft from
impacting the ground when rapidly rising terrain with respect
to the aircraft is detected. Mode 2 is based on Radio Altitude
and on how rapidly Radio Altitude is decreasing (closure rate).
Mode 2 exists in two forms, 2A and 2B.
Mode 2A is active during climbout, cruise, and initial approach
(flaps not in the landing configuration and the aircraft not on
glideslope centerline). If the aircraft penetrates the Mode 2A
caution envelope, the aural message "TERRAIN, TERRAIN" is
generated and cockpit EGPWS caution lights will illuminate. If
the aircraft continues to penetrate the envelope, the EGPWS
warning lights will illuminate and the aural warning message
"PULL UP" is repeated continuously until the warning
envelope is exited.
Note: "Pull Up" may be preceded by "Whoop, Whoop" in some
configurations based on the audio menu option selected.
Upon exiting the warning envelope, if terrain clearance
continues to decrease, the aural message "TERRAIN" will be
given until the terrain clearance stops decreasing. In addition,
the visual alert will remain on until the aircraft has gained 300
feet of barometric altitude, 45 seconds has elapsed, or landing
flaps or the flap over-ride switch is activated.
11

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