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E
R O U T E U P L I N K -
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L O IN G
< LO A
K BF I K MWH
1
2 3
December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.40.14 D6-30151-425
Flight Management, Navigation -
FMC Preflight
1 ROUTE UPLINK
Displays ROUTE UPLINK when flight plan uplink received; otherwise, dashes.
2 LOAD
Displays LOAD when uplink received and passes error check.
PUSH -
• loads uplinked flight plan
• in flight, when uplinked flight plan applies to active route, EXECUTE
light illuminates and ERASE displays at 6L
• when route inactive, blanks PURGE at 4R
• displays scratchpad message ROUTE 1 UPLINK LOADING
3 PURGE
Displays PURGE when an uplink has been received, passes an error check, and
applies to an inactive route.
Push - rejects uplinked flight plan data.
December 01, 1999
747 Operations Manual
Flight Management, Navigation -
FMC Preflight
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.40.15
Route Page 2/X
Subsequent route pages 2/X through X/X show the route segments in air traffic
control format. Route segments are defined as direct routing, airways, or
procedures with start and end points such as waypoints, fixes, navaids, airports, or
runways.More waypoints for each route segment display on the RTE LEGS page.
1 VIA
VIA column displays the route segment to the waypoint or termination in the TO
column.
Entry of an airway in the VIA column displays boxes in the TO column.
Valid entries can also include procedures or DIRECT. Procedures are usually
entered through selections on DEPARTURES and ARRIVALS pages. DIRECT
usually results from entering a TO waypoint first.
< R T E 2 >
V I A T O
2
L AC RE3 . M
A C T I V A T E
- - - - - - - - - - --- - - - - - - - - ---
RT E 1
P MP
R OU TE 1 UPL INK R EAD Y
V A S VA S
ELN
V 33 6 EPH
V 2
RTE 1 1/X RTE
RTE 2
NOT
NEXT ACTIVE
PAGE
/ 3
APPR TRANS
ILS32R
(INTC)
RW32R
1 2
December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.40.16 D6-30151-425
Flight Management, Navigation -
FMC Preflight
Valid airways must:
• contain the fix entered in the TO waypoint, and
• contain the previous TO waypoint, or
• intersect the previous VIA route segment
Dashes change to DIRECT if entering the TO waypoint first.
Dashes display for the first VIA beyond the end of the route.
Invalid VIA entries display the scratchpad message INVALID ENTRY.
Invalid VIA entries are:
• airways and company routes which do not contain the TO waypoint of the
previous line
• airways not intersecting the previous airway
• airways or company routes not in the navigation database
Entry of a SID or transition enters the VIA and TO data for the route segments of
the SID. A SID links to the next route segment when the final SID waypoint is part
of the route segment.
When no SID is used, entering an airway on the first line of page 2 initiates an
airway intercept and displays boxes in the first line TO waypoint. Entering a
waypoint in the boxes:
• replaces the airway with dashes in the first VIA line
• enters the fix preceding the nearest abeam location on the airway in the
TO waypoint
• moves the airway to line 2
A route can contain segments formed by the intersection of two airways. Entering
two intersecting airways in successive VIA lines without a TO waypoint causes
the FMC to create an airway intersection waypoint. The FMC created waypoint
intersection (INTC) displays as the first airway segment TO waypoint.
LACRE3.VAMPS is an example of a SID selection made on the DEPARTURES
page.
V2 and V336 are examples of airway entries.
APP TRANS is an example of a transition selection made on the APPROACH
page.
ILS32R is an example of an approach selection made on the APPROACH page.
2 TO
TO column displays the selected end waypoint or termination of the route segment
in the VIA columnn.
December 01, 1999
747 Operations Manual
Flight Management, Navigation -
FMC Preflight
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.40.17
During preflight when entering a runway onRTE page 1 and entering a waypoint
in the TO column without first entering a VIA airway displays a DIRECT segment
on the first VIA line from the runway threshold. When a runway has not been
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