曝光台 注意防骗
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value is given in NM.
Note: For TCAS messages (Refer to DSC-34-80-20 TCAS MESSAGES).
(11) GPS APP (green)
This message is displayed, when a GPS approach has been selected.
(12) PRED W/S flag (amber)
The WINDSHEAR switch on the weather radar panel is set to AUTO, and a Predictive
Windshear System fault is detected. This message appears on ground, or when flaps and slats
are extended.
It is associated with a single chime. The radar image remains available, provided that the fault
does not affect the radar mode.
EGPWS
Applicable to:
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 27/30
FCOM 19 AUG 10
(1) EGPWS terrain picture
The ND displays the EGPWS terrain picture, when the TERR ON ND switch is selected ON,
and the ND is not in PLAN or ENG mode. The terrain picture replaces the weather radar image.
The terrain appears in different colors and densities, in accordance with its relative height :
Note: Areas without available terrain data in the EGPWS database appear in magenta.
(2) Center Part Messages
The “TERR CHANGE MODE” indication is displayed ‐ in red (or amber), in the case of a
Terrain Awareness Display (TAD) warning (or caution) alert, if the current selected display
mode is PLAN.
‐ The “TERR REDUCE RANGE” indication is displayed in red (or amber), in the case of a
Terrain Awareness Display (TAD) warning (or caution) alert, if the selected range is 160 nm
or 320 nm.
(3) TERR indication
To differentiate between the terrain and the weather display, the weather radar TILT is replaced
by a blue TERR, and the terrain display sweeps from the center outward to both NDs’ sides.
(4) Warning and caution messages
TERR AHEAD (amber) : For a caution
TERR AHEAD (red) : For a warning.
When triggered, these messages flash for 9 s, then remain steady until the caution or warning
alert condition disappears.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 28/30
FCOM 19 AUG 10
TERR RNG (red) : For a RANGE error warning.
TERR TST (amber) : Appears during the EGPWS test, when the terrain pattern is
displayed, and there is no failure.
(5) Terrain caution alert
Generated when a conflict exists between the terrain caution envelope, ahead of the aircraft,
and the terrain data stored in the database. The conflict area is shown in solid yellow.
(6) Terrain warning alert
Generated when a conflict exists between the terrain warning envelope, ahead of the aircraft,
and the terrain data stored in the database. The conflict area is shown in solid red.
Note: When an alert is generated (either caution or warning), and TERR ON ND is not
selected, the terrain is automatically displayed and the TERR ON ND pushbutton ON
light comes on.
EGPWS
Applicable to: ,
(1) EGPWS terrain picture
The ND displays the EGPWS terrain picture, when the TERR ON ND switch is selected ON,
and the ND is not in PLAN or ENG mode. The terrain picture replaces the weather radar image.
Terrain data is displayed independently of the aircraft relative altitude. The terrain appears in
different colors and densities, according to its relative height :
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 29/30
FCOM 19 AUG 10
Note: Areas without available terrain data in the EGPWS ‐ database appear in magenta.
‐ The reference altitude is computed based on the current aircraft altitude or, if
descending more than 1 000 ft/min, the altitude expected in 30 s.
‐ In case of flight above the maximum elevation number the relief between the
minimum and maximum displayed elevations is displayed by using three different
green levels.
(2) Center Part Messages
‐ The “TERR CHANGE MODE” indication is displayed in red (or amber), in the case of a
Terrain Awareness Display (TAD) warning (or caution) alert, if the current selected display
mode is PLAN.
‐ The “TERR REDUCE RANGE” indication is displayed in red (or amber), in the case of a
Terrain Awareness Display (TAD) warning (or caution) alert, if the selected range is 160 nm
or 320 nm.
(3) TERR indication
To differentiate between the terrain and the weather display, the weather radar TILT is replaced
by a blue TERR, and the terrain display sweeps from the center outward to both NDs’ sides.
(4) Warning and caution messages
TERR AHEAD/OBST
AHEAD (amber)
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 3(84)
