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• generates EICAS advisory message NO AUTOLAND (TBV)
• disables bank angle protection
• exposes the amber and black stripes
• if an autopilot is engaged:
• it disconnects
• displays the EICAS warning message AUTOPILOT DISC
• sounds an aural warning
• illuminates the master warning lights.
Lift up –
• permits autopilot engagement
• hides the amber and black stripes.
3 Flight Director (F/D) Switches
4 Autopilot (A/P) DISENGAGE Bar
787 Flight Crew Operations Manual
Automatic Flight -
Controls and Indicators
Boeing Proprietary 4.10.3
Autothrottle System Controls
The left autothrottle arm switch controls the left engine autothrottle. The right
autothrottle arm switch controls the right engine autothrottle.
L and/or R – arms the selected autothrottle for mode activation. The selected
autothrottle activates automatically when an AFDS mode (VNAV, FLCH, or
TO/GA) is selected.
OFF –
• disconnects the selected autothrottle
• prevents selected autothrottle activation.
On the ground and below 400 feet during takeoff, the switch is inoperative.
Push –
• with two engines operating, changes the engine thrust limit to the FMC
selected climb thrust
• with only one engine operating, changes the thrust limit to maximum
continuous (CON).
Push – above 400 feet, with the autothrottle armed, activates the appropriate
autothrottle mode for the selected AFDS pitch mode, or if no pitch mode, in the
speed (SPD) mode.
Illuminated (white) – an autothrottle mode is activated.
1 Autothrottle (A/T) ARM Switches
2 Climb/Continuous (CLB/CON) Thrust Switch
3 Autothrottle (A/T) Switch
4 Autothrottle Light
MODE CONTROL PANEL (MCP)
PRELIMINARY
LNAV
A/T FLCH
CLB/CON
A/P
A/T ARM
L R
OFF
IAS MACH
IAS
UL
200
200
A/P DISENGAGE
VNAV
OFF
ON
F/D
XFR
3
4
1
2
787 Flight Crew Operations Manual
Automatic Flight -
Controls and Indicators
4.10.4 Boeing Proprietary
Autopilot Flight Director IAS/Mach Controls
Push –
• alternately changes the IAS/MACH window between IAS and Mach
displays (Mach must be 0.4 or greater to switch from IAS to Mach)
• inoperative when the IAS/MACH window is blank.
Upper line displays speed selected by the IAS/MACH selector and lower line
displays uplinked ATC speed clearance.
Upper line is blank when the FMC controls the speed. When changing from
TO/GA to V/S, FPA, or ALT, the window automatically displays:
• the flap placard speed minus 5 knots (flaps extended)
• 250 knots (flaps up), or
• a speed value entered in the IAS/MACH window after TO/GA was
pushed.
The display range is:
• 100 – 399 KIAS
• 0.40 – 0.95 Mach.
The selected speed is displayed as the PFD and HUD selected speed.
Upper line displays 200 knots and lower line is blank when power is first applied.
During climb, automatically changes from IAS to MACH at 0.85 Mach.
During descent, automatically changes from Mach to IAS at 330 KIAS(TBV).
1 IAS/MACH Reference Switch
2 IAS/MACH Window
MODE CONTROL PANEL (MCP) PRELIMINARY
LNAV
A/T FLCH
CLB/CON
A/P
A/T ARM
L R
OFF
IAS MACH
IAS
UL
200
200
A/P DISENGAGE
VNAV
OFF
ON
F/D
XFR
5
1
2
3
4
787 Flight Crew Operations Manual
Automatic Flight -
Controls and Indicators
Boeing Proprietary 4.10.5
Rotate –
• Sets the speed on the upper line of the IAS/MACH window and as the
selected speed on both the PFD and HUD.
• Inoperative when the IAS/MACH window is blank.
Push –
• With VNAV engaged, alternately opens or closes the IAS/MACH
window:
• when the window is closed, the FMC computed target speed is active
and is displayed on both the PFD and HUD
• when the window is open, FMC speed–intervention is active and the
IAS/MACH selector may be used to set the desired speed.
• Blanks when not in SPD, FLCH, or TO/GA.
Push –
• Transfers the IAS or Mach value from the lower line to the upper line. If
upper line was blank/closed, it now opens to the uplinked ATC value.
Lower line blanks after the transfer.
The ATC uplink function is always enabled. For immediate clearances, pushing
the data link ACCEPT button displays the clearance IAS or Mach value in the
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787机组操作手册Flight Crew Operations Manual 1(136)
