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ATC INDEX
WHEN CAN WE>
VERIFY REQUEST
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December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
5.33.46 D6-30151-425
Communications -
ATC Datalink
Valid entry is XXX or FLXXX (flight level), XXXXX (feet), or XXXXXm
(meters).
Entry may be deleted.
3 DESCENT TO
Entry of an altitude selects a message queryingATC when to expect a descent to
the entered altitude.
Valid entry is XXX or FLXXX (flight level), XXXXX (feet), or XXXXXm
(meters).
Entry may be deleted.
4 SPEED
Entry of a speed selects a message querying ATC when to expect the entered
speed.
Valid entry is IAS or Mach.
Entry may be deleted.
5 ERASEWHEN CANWE
Push - erases all entered or selected data and returns default values.
6 INDEX
Push - displays ATC INDEX page.
7 HIGHER Altitude (ALT)
Push - selects a message querying ATC when to expect a higher altitude.
Selection may be deleted.
8 LOWER Altitude (ALT)
Push - selects a message querying ATC when to expect a lower altitude.
Selection may be deleted.
9 BACK ON Route (RTE)
Push - selects a message querying ATC when to expect to be cleared back on route.
Selection may be deleted.
10 VERIFY
Push - displays VERIFY REQUEST page.
December 01, 1999
747 Operations Manual
Communications Chapter 5
Company Datalink Section 34
Copyright © The Boeing Company. See title page for details.
D6-30151-425 5.34.1
Company Datalink
For airplanes with the company datalink function installed, the airplane
communications system enables two–way datalink communications between the
FMC and airline operations. A downlink occurs when data is transferred from the
FMC and transmitted through the airplane communications system to a receiver
on the ground. Data may be downlinked from the FMC either manually or
automatically. An uplink is the opposite of a downlink; data is transmitted from a
ground station for input to the FMC. Data may be uplinked at the discretion of the
airline operations dispatcher or in response to a downlink request.
FMC Communications Page 1/2
FMC COMM page 1/2 provides access to pages used for company datalink
functions.
1 UPLINK Route (RTE)
Displays UPLINK in line title when an uplink containing flight plan information
has been received.
Push - displays ROUTE page.
U P L I N K
FMC
COMM
FM C CO M M
< RT E 1
U P L I N K
< DE S F OR ECA ST
RT E D AT A
P O S R E P O R T >
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December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
5.34.2 D6-30151-425
Communications -
Company Datalink
2 UPLINK Descent (DES) FORECAST
Displays UPLINK in line title when an uplink containing descent forecast data has
been received.
Push - displays DESCENT FORECAST page.
3 Route (RTE) DATA
Display is blank when there is no active route.
Displays UPLINK in line title when an uplink containing route wind information
has been received.
Push - displays ROUTE DATA page.
4 Position (POS) REPORT
Push - displays POS REPORT page.
5 DATA LINK
Displays datalink status: READY, NO COMM, VOICE, or FAIL.
December 01, 1999
747 Operations Manual
Communications -
Company Datalink
Copyright © The Boeing Company. See title page for details.
D6-30151-425 5.34.3
FMC Communications Page 2/2
FMC COMM page 2/2 allows writing a downlink request for flight plan
information or wind data.
1 Route (RTE) REQUEST
Push -
• initiates downlink request for flight plan information
• when company route identifier displayed, the request includes the
company route
• displays SENDING
• after network acknowledgement, displays SENDsent
2 WIND REQUEST
Push -
• initiates downlink request for wind information and descent forecast data
• displays SENDING
• after network acknowledgement, displays SENDsent
FM C CO M M
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