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M
2B
ODE
Continued
M
3
ODE
Altitude
Loss After
TakeOff
14
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 gen-
erated 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 provides alerts for significant altitude loss after takeoff
or low altitude go-around (less than 245 feet AGL) 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 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
060-4241-000 • Rev. D - March 2000
MK V & MK VII EGPWS Pilot Guide
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