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TCAS MENU
EMER
TERR
MAP
PLAN
NAV
APT
NORM ABN
SKP
RCL
PAG
ENT
GX_17_002
ENT
SAT
GSPD
-56
TAT
TAS
-40
234
345
ETE 1+36
12 . 5
KDVT
NM
SYSTEM 2/3
WX
AUTOTHROTTLE 1 2
FGCO 1 2
AUTOTHROTTLE 2 1
AUTOTHROTTLE 1 2
1
2
3
GX_17_003
A/T Engage/Disengage
Annunciation
A/T Mode Annunciation
Active Mode Green (except LIM)
Armed Mode White
70
60
50
40
30
HOLD ROL AP1 TO
AT/1
TO VAPP VNAV
500
10000
ATT2
ADC1
20 20
200
130
1
13000
20
00
80
05
10 10
70
60
50
40
30
TO ROL AP1 TO
AT/1
TO VAPP VNAV
500
10000
ATT2
ADC1
20 20
200
130
1
13000
20
00
80
05
10 10
For Training Purposes Only
Sept 04
17-57
P I LOT T R A I N I N G GU I D E
POWER PLANT
Toggling the switches, while on the ground, during T/O phase, with the thrust levers
less than 60% of max. thrust (23° TRA), will engage the A/T in an armed state.
Subsequent advancement of both thrust levers above 60% maximum thrust, while
airspeed is less than 60 knots, will result in automatic engagement of the system into
takeoff thrust control, moving the thrust levers to the appropriate thrust settings.
Toggling the switches, while on the ground, with the thrust levers greater than 60%
maximum thrust, while airspeed is less than 60 knots, will engage the system directly
into takeoff thrust control.
Toggling the switches, while inflight, above 400 feet, will engage the system into a
control mode which is compatible to the active AP/FD mode. In the event that no AP/
FD mode has been selected, the A/T will engage into basic speed control mode.
Engagement is inhibited during a detected fault condition or during an invalid flight
condition. The A/T system can be disengaged both manually and/or automatically.
A/T DISENGAGEMENT
Automatic disengagement will occur when the A/T system, for any engaged or onground
armed state, in the event of a detected system failure (abnormal disconnect) or
when A/T control is inappropriate for the current phase of flight (normal disconnect)
such as on the ground, following touchdown. The A/T annunciation will turn red and
flash, and an aural AUTOTHROTTLE is generated when the A/T is disengaged
automatically or manually. The aural AUTOTHROTTLE is not generated when the
A/T disconnects due to aircraft weight on wheels on touchdown.
A normal disconnect results in a one-second aural warning as A/T 1 or A/T 2 is
removed from the PFD. An abnormal disconnect results in flashing A/T 1 or A/T 2
annunciation continuously, along with a continuous aural warning, until the crew
confirms the disengagement by pressing the quick disconnect button(s).
180
170
160
150
LIM ROL AP1 TO
A/T1
SPD VAPP VNAV
1500
10000
ATT2
ADC1
20 20
10 10
190
145
6
3000
20
00
80
05
GX_17_004
AUTOTHROTTLE
17-58 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
POWER PLANT
A/T DISENGAGEMENT AND MANUAL OVERRIDE
Manual disengagement of the system, for both inflight and on-ground operation, is
accomplished by the crew in the following manner:
• Pressing the quick disconnect button(s), located on either thrust lever, while the
system is engaged or in an on-ground armed state (normal disconnect)
• Toggling the engage/disengage switch(es), located on either thrust lever, while the
system is engaged or in an on-ground armed state (normal disconnect)
• Overriding the system by manually positioning the thrust levers, while A/T is
engaged. Movement of the thrust levers while on-ground T/O armed state will not
disconnect the system (abnormal disconnect)
180
170
160
150
LIM ROL AP1 TO
A/T1
SPD VAPP VNAV
1500
10000
ATT2
ADC1
20 20
10 10
190
145
6
3000
20
00
80
05
GX_17_005
AUTOTHROTTLE
Pressing quick disconnect button(s) Toggling the engage/disengage switch(es)
Overriding by manually advancing or retarding the thrust levers.
1 2
3
For Training Purposes Only
Sept 04
17-59
P I LOT T R A I N I N G GU I D E
POWER PLANT
A/T MODE OPERATION
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庞巴迪挑战者手册10(2)
