787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Automatic Flight -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 4.10.5
The selected speed is displayed as the range to target speed dot (green) on the
VSD.
Upper line displays 200 knots and lower line is blank when power is first applied.
During climb, automatically changes from IAS to MACH at .840 Mach.
During descent, automatically changes from MACH to IAS at 310 KIAS.
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 datalink ACCEPT switch displays the clearance IAS or Mach value in the
lower line of the window. If the upper line was blank/closed, it remains
unchanged. Pushing the datalink CNCL switch removes the clearance from the
lower line.
For conditional clearances, pushing the ACCEPT switch automatically displays
clearance IAS or Mach value in the lower line only after condition contained in
the clearance is met.
Uplinked clearances are preceded by the letters "UL".
3
IAS/MACH Selector
4
Uplink Transfer (XFR) Switch
5
ATC Uplinked Speed Clearance
February 15, 2010
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