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Flight Information Uplinks
Arriving flight information uplink messages are annunciated by a •COMM
communications message. The message text is displayed using the NEW
MESSAGE menu selection.
Company Uplinks
Arriving company uplink messages are annunciated by a •COMM
communications message and an optional aural chime.
00:02
01:45
VHF 1
NCC1701E
BOE1
787FLTBOE1
123.85
3777
15:21:08z 28 FEB 07
MIC
FLT #
UTC TIME DATE ELAPSED TIME
TAIL #
XPDR
SECAL
ATC UPLINK
1234Z FROMKZAK
MAINTAIN FL310,
AT THULE CLIMB TO AND
MAINTAIN FL330,
REPORT LEAVING FL310,
REPORT LEVEL FL330
ACCEPT REJECT
AUXILIARY PANEL
ATC
COMM
EICAS DISPLAY
PRELIMINARY
787 Flight Crew Operations Manual
Communications -
MFD Communications Functions
5.40.20 Boeing Proprietary
Accept/Reject Uplinks
ATC messages requiring an accept or reject response display those options on the
EICAS display. The MFD message page displays ACCEPT, STANDBY, REJECT
REASONS, and REJECT keys at the bottom. Select ACCEPT or REJECT to
respond to the uplink message. The REJECT REASONS key can be selected to
inform ATC why the message is being rejected.
Company messages can also be accepted or rejected on the message page.
After making a selection, the status changes to ACCEPTING/REJECTING while
the response is transmitting. When the communications network sends a response
indicating that the message was received, the message status changes to
ACCEPTED/REJECTED. After a message has been accepted or rejected, a
CANCEL key is displayed at the bottom of the page. Selecting CANCEL will
clear the message from the display. Rejected messages are automatically removed
5 seconds after the message status changes to REJECTED.
The ACCEPT, CANCEL, and REJECT buttons on the glareshield perform the
same function as the same keys on the MFD.
ATC Data Link
ATC data link communicates with participating air traffic control centers,
reducing the need for VHF voice communications. Airplane situation reports,
route changes, speed and vertical clearances, and voice contact requests can be
sent or received as appropriate. The COMM display ATC menu selection allows
display of downlink message pages.
Uplink and downlink messages are stored. All messages are assigned the time of
receipt/transmission and are printable.
ATC data link requires manual logon to a participating ATC facility. Once logged
on, transfer to adjacent ATC facilities is normally automatic.
Crew Feedback
ATC uplinks containing clearance data that the crew can set on the MCP or EFIS
control panel have a crew feedback display function. When the message is
displayed on EICAS or the message page, the data values change from white to
green when properly set by the crew. Data which provides feedback is:
• MCP speed
• MCP heading
• MCP altitude
• barometer setting
• transponder code
• VHF frequency
• HF frequency.
787 Flight Crew Operations Manual
Communications -
MFD Communications Functions
Boeing Proprietary 5.40.21
FMC Data Loading
Some ATC uplinks contain data for loading into the FMC. Display of the LOAD
FMC command key indicates that FMC data is available for loading. Selecting
LOAD FMC transfers data to the FMC and creates an FMC modification.
Both MFD information messages and help window messages provide indications
of loading progress.
Downlink Pages
ATC Menu
The ATC menu provides access to ATC downlink pages.
The ATC REQUESTED REPORTS menu selection is inhibited (cyan) when no
reports are requested by ATC.
Note: This menu is not repeated when describing individual pages.
Altitude Request
The ALTITUDE REQUEST page allows selection of an altitude, an altitude
block, or a VMC descent. A second request page allows selection of a reason for
the request.
ATC Menu PRELIMINARY
787 Flight Crew Operations Manual
Communications -
MFD Communications Functions
5.40.22 Boeing Proprietary
The requested altitude is entered into the dash prompt and the SEND key becomes
active.
Pushing the SEND key requests a normal climb at climb power unless otherwise
requested, or a normal descent.
Additional climb or descent options are:
• STEP AT – allows entering a time or position for the start of the climb or
descent
1 ALTITUDE
1
3
2
4
PRELIMINARY
787 Flight Crew Operations Manual
Communications -
MFD Communications Functions
　
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