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747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.42.8 D6-30151-425
Flight Management, Navigation -
FMC Cruise
Required Time of Arrival (RTA) Cruise
The required time of arrival cruise page is available after entry of Fix and Time on
RTA PROG page. This page provides cruise speed required to accomplish RTA.
1 Required Time of Arrival Speed (RTA SPD)
Displays FMC computed cruise speed to accomplish RTA.
2 Economy Speed (ECON)
Displays when LRC, SPD SEL, or RTA SPD displayed in 2L.
Push -
• selects ECON CRZ page
• execution activates ECON CRZ and terminates RTA function
3 RTA PROGRESS, ERASE
RTA PROGRESS displays when no modification pending.
RTA PROGRESS -
Push - displays RTA PROGRESS page.
ERASE displays when modification pending.
ERASE -
VNAV
9 5 . 1 %
N 1
2 2 4 5 z / 3 4 . 7
K S F O E T A / F U E L
1701z/ 463N M
A T
F L 3 9 0
RT A P R O G RES S L R C
ENG O UT>
- -- --- --- -- --- -- --- -- ---
< E C O N
2
S I Z E
T E P
S T E P
R T A S P D
A L T
. 8 7 8
3 7
A C T R T A C R Z 2 / 3
C Z S TO
< >
R
F L 0
00 0
1
2
3
December 01, 1999
747 Operations Manual
Flight Management, Navigation -
FMC Cruise
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.42.9
Push - erases pending modification.
December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.42.10 D6-30151-425
Flight Management, Navigation -
FMC Cruise
Navigation Data
Reference Navigation Data Page
Reference navigation data page displays data about waypoints, navaids, airports,
and runways. This page is used to inhibit FMC position updates from radio
navaids. The navaids are available for manual, route, and procedure tuning.
1 Identification (IDENT)
Valid entries are any waypoint, navaid, airport, or runway from the navigation
database.
R E F N A V D A T A
< N D
-
-
IE X I N H I B IT
V O R / D M E N A V
V O R O N L Y
- - - - -- --
I N H I B I T
- - - -- --
N V A I D I NHI B I T
1 60 0 F T
E L E V A T O N
E 1 5
M G V A R
N 5 0 ` 3 6 . 4 W 0 8 2 ` 1 6 . 4
L A T I T U D E L O N G I T U D E
3
E
A B C 1 13 .
I D E N T F R Q
0
I
A
A
>
- - - - - - - - - -
XXXXX
<INDEX
REF
INIT
INIT/REF INDEX
NAV DATA>
1
2
3
4
5
7
8
9
4
5
6 10
December 01, 1999
747 Operations Manual
Flight Management, Navigation -
FMC Cruise
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.42.11
Entry changes to dashes when page is exited and then reselected.
2 LATITUDE
Displays latitude of entered identifier.
3 Magnetic Variation (MAG VAR), LENGTH
MAG VAR - displays magnetic variation when entered identifier is a navaid.
LENGTH - displays runway length when entered identifier is a runway.
4 NAVAID INHIBIT
Valid entries are: VOR, VOR/DME, VORTAC, or DME identifiers from the
navigation data base.
Inhibits use of entered navaids for updating by both FMCs.
Entries blank at flight completion.
Deleting or overwriting removes a previous inhibit.
5 VOR ONLY INHIBIT
Valid entries are VOR identifiers from the navigation database.
Inhibits use of only the VOR portion of entered navaid for updating by both FMCs.
Entries blank at flight completion.
Deleting or overwriting removes a previous inhibit.
6 INDEX
Push – displays INIT/REF INDEX page.
7 Frequency (FREQ)
Displays frequency of entered identifier when it is a navaid.
8 LONGITUDE
Displays longitude of entered identifier.
9 ELEVATION
Displays elevation of entered identifier when it is a navaid, airport, or runway.
10 VOR/DME NAV INHIBIT, ENABLE
INHIBIT -
December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.42.12 D6-30151-425
Flight Management, Navigation -
FMC Cruise
Push -
• inhibits both FMCs from using VOR/DME radio position updating
• displaysENABLE
• does not affect DME/DME radio position updating
• overwrites VOR ONLY INHIBIT entries and displays ALL
• entries clear at flight completion and INHIBIT displays
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