Mark V and Mark VII EGPWS Pilot’s Guide
060-4241-000
System Description
Rev H, August 2011
13
MODE 2B
Continued
During an approach, if the aircraft penetrates the Mode 2B
envelope with either the gear or flaps not in the landing
configuration, the aural message
“TERRAIN, TERRAIN”
is
generated and the EGPWS caution lights illuminate. If the
aircraft continues to penetrate the envelope, the EGPWS
warning lights illuminate and the aural message
“PULL UP”
is repeated continuously until the warning envelope is exited.
If the aircraft penetrates the Mode 2B envelope with both gear
and flaps in the landing configuration, the aural
“PULL UP”
messages are suppressed and the aural message
“TERRAIN”
is repeated until the envelope is exited.
MODE 3
Altitude
Loss After
TakeOff
Mode 3 provides alerts for significant altitude loss after
takeoff or low altitude go-around (less than 245 feet AGL or
150 feet, depending on aircraft type) with gear or flaps not in
the landing configuration. The amount of altitude loss that is
permitted before an alert is given is a function of the height of
the aircraft above the terrain as shown below. This protection
is available until the EGPWS determines that the aircraft has
gained sufficient altitude or that it is no longer in the takeoff
phase of flight. Significant altitude loss after takeoff or during
a low altitude go-around activates the EGPWS caution lights
and the aural message “
DON’T SINK, DON’T SINK”
.
Summary of Contents for EGPWS MK V
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