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┃ Lli,~ A320 ┃ ┃ ┃ ┃
┃ A~7-~'M" A321 ┃ ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
┗━━━━━━━━━━━━━━━━┻━━━━━━━━━━━━┻━━━━━┻━━━━━┛
MODE 2 : EXCESSIVE TERRAIN CLOSURE RATE
I,J-
LIJ
'< I--
I,-I
<: ,~
2450
RA RATE OF CHANGE (FT/MINXlO00)
2A -- Flaps not in landing configuration and aircraft not on the glide slope beam.
Penetration of the boundary lights up the GPWS lights and sounds the repeated aural alert:
"TERRAIN".
After "TERRAIN" has sounded twice, the warning switches to "PULL UP", repeated
continually until the aircraft leaves the warning envelope.
After the aircraft leaves the boundary, the GPWS lights stay on and the voice message
"TERRAIN" persists. These alerts cease when the aircraft increases either the barometric
or inertial altitude by 300 feet. If it enters another alert region during this altitude-gain time,
then the whole process begins again with a new reference altitude for the 300 feet altitude
gain.
* Upper cut-off limit varies from 1650 feet to 2450 feet radio altitude, depending on
speed (between 220 knots to 310 knots). At certain airports, the upper boundary
may be lowered down to 1250 feet to reduce the warning sensitivity and minimize
the nuisance warnings.
CCM ALL
┏━━━━━━━━━━━━━━━━┳━━━━━━┳━━━━━━━━━━━┓
┃I -~ A318 ┃NAVIGATION ┃1.34.70 P 5 ┃
┃ .*,,.8, ,, ~L,~ A319 ┃ ┃ ┃
┃ ┃ ┣━━━━━┳━━━━━┫
┃ Lli,~ A320 ┃ ┃SEQ 110 I ┃I REV 29 ┃
┃ A~7-~'M" A321 ┃ GPWS ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
┗━━━━━━━━━━━━━━━━┻━━━━━━┻━━━━━┻━━━━━┛
2B -- Flaps in landing configuration
Lowering the flaps to the landing position, automatically switches GPWS to Mode 2B. In
this case, lower boundary varies between 200 feet and 600 feet depending on altitude rate.
In ILS approach (glide slope deviation < _+ 2 dots) the lower boundary is fixed at 30 feet.
When the aircraft enters the envelope, the alert is the same as for mode 2A. When gear
and flaps are in the landing configuration, the aural message is "TERRAIN "only, and is not
followed by "PULL UP" if the aircraft remains in the envelope.
MODE 3 : ALTITUDE LOSS AFTER TAKEOFF
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual4(102)
