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ROUTE 1 and ROUTE 2 allow management of alternate or future routes while
leaving the active route unmodified. ROUTE 2 has an identical page structure as
ROUTE 1. The minimum number of route pages is 2.
When RTE 2 is active, page display logic is the same asRTE 1.
December 01, 1999
747 Operations Manual
Flight Management, Navigation -
FMC Preflight
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.40.11
Active Route With Uplink Pending
1 ORIGIN
Valid entries are ICAO airport identifiers in the navigation database.
On the ground, entry of a new origin erases the previous route. In flight, entries
are valid on the inactive route.
Enables selection of departure and arrival procedures for the origin airport.
Automatically entered as part of a company route.
-
<
RT E 1
- -
R
O R I G I N D E S T
1 /
- -
R
2
F L T N O
C O R O U T E
- - - - - -
- - - - - - - -
-- --
U N W A Y
E Q U E S T
SE ND
< R T E 2 A C T I V A T E >
- - - - - - - - - - - - - - - - - - - - - - - -
POS INIT
ROUTE>
ARRIVALS
DEPARTURES
RTE
RTE 2
NOT
ACTIVE
<RTE 1
FMC COMM 1/2
RTE 2
<RTE 1
2
3
4
5
8
1
7
6
December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.40.12 D6-30151-425
Flight Management, Navigation -
FMC Preflight
2 RUNWAY
Valid entries are origin airport runways in the navigation database.
Automatically entered when part of a company route.
Can be selected on DEPARTURES page.
FMC deletes runway after sequencing the first waypoint.
3 Route REQUEST
Title line displays REQUEST. Title line blank if flight plan load pending.
Flight crew can fill in origin, destination, runway, flight number, company route
name, or route definition to qualify request.
Push –
• transmits data link request for a flight plan route uplink
• data line displays SENDING
• upon acknowledgement receipt, data line displays SENDsent
If data link fault occurs, title line displays DATA LINK, data line displays NO
COMM, VOICE, or FAIL.
4 RTE 2
Push –
• displays RTE 2 page 1/x
• data line displays RTE 1
5 Destination (DEST)
Valid entries are ICAO airport identifiers in the navigation database.
Enables selection of arrival procedures for the destination airport.
Automatically entered as part of a company route.
6 Flight Number (FLT NO)
Valid entry is any flight crew entered or uplinked company flight number.
Flight crew entered or uplinked.
Flight number displays in PROGRESS page title.
Data line blanks at flight completion.
October 1, 2000
747 Operations Manual
Flight Management, Navigation -
FMC Preflight
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.40.13
7 Company (CO) ROUTE
A company route can be called from the navigation database by entering the route
identifier. The data supplied with a company route can include origin and
destination airports, departure runway, SID and STAR, and route of flight. All
company route data is entered when the route identifier is entered.
Valid entry is any flight crew entered or uplinked company route name. If the name
is not contained in the NAV database, entry is allowed and the scratchpad message
NOT IN DATABASE displays.
On the ground, entry of a new company route replaces the previous route.
In flight, entry of a new company route manually, or as a result of a route request
downlink, may only be accomplished into the inactive route.
8 ACTIVATE
Displays on inactive route pages.
Activation of a route is required for completion of the preflight.
Push – arms the selected route for execution as the active route.
When the EXECUTE key is pushed, the route becomes the active route and the
ACTIVATE prompt is replaced with the next required preflight page prompt.
After route activation, the ACTIVATE prompt is replaced by:
• PERF INIT, when the required performance data is incomplete, or
• TAKEOFF when the required performance data is complete
Active Route After Ground Station Uplink
RT E 1
A D
CTI V
RO U TE 1 U P L I N K
< RT E 2
P UR GE>
A A TE>
----
-- --- -- -
--- --
CO ROU T
F L T N O
1 / 2
D E S T
D
O R I G I N
R U N W A Y
- -- --
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