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9 Crosswind (X/WIND)
Displays left (L) or right (R) crosswind component relative to airplane heading.
10 Vertical Track Error (VTK ERROR)
Displays vertical path (VTK) error above (+) or below (-) vertical path.
Blank when descent not active.
11 Static Air Temperature (SAT)
Displays outside static air temperature.
12 USE CALCULATED
Displays USE prompt and scratchpad message FUEL DISAGREE - PROG 2 if a
difference of 4,080 kilograms or more exists between TOTALIZER and
CALCULATED fuel quantity.
Push -
• FMC uses calculated fuel quantity values
• blanks TOTALIZER display
December 01, 1999
747 Operations Manual
Flight Management, Navigation -
FMC Cruise
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.42.29
13 FUEL Quantity (QTY) CALCULATED
Fuel remaining as calculated by the FMC:
• before engine start, displays fuel quantity calculated by fuel quantity
processor
• after engine start, displays fuel quantity calculated by decreasing fuel on
board at engine start at EICAS fuel flow signal rate
December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.42.30 D6-30151-425
Flight Management, Navigation -
FMC Cruise
RTA Progress Page 3/3
Progress page three is used to enter data for required time of arrival (RTA). RTA
can be entered or changed during preflight or in flight. Creating an RTA changes
PROGRESS and CRZ page titles to include RTA. RTA operates only in cruise.
1 FIX
Valid entry is a waypoint in the active or pending active route.Waypoints defined
by coordinates must be down selected to the scratchpad, then selected to the FIX
line.
Entry by flight crew or data link.
Entry displays ALT/ETA data in line 2R.
. 8 7 8
/ 3
T
AC T R T A PROGRESS 3
F I X
D EN OH
- -- --- --- -- --- -- --- -- ---
. 89 0
S P D
R T A S P D
M A X
R A
1 7 4 0 . 0 z B
A L T / E T A
F L 3 7 0 / 1 7 3 4 . 5 Z
RTA PROGRESS
<RTA PROGRESS
ACT ECON CRZ
PROG
PAGE
NEXT
PAGE
NEXT
2
3
5
7
1
6
4
December 01, 1999
747 Operations Manual
Flight Management, Navigation -
FMC Cruise
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.42.31
When RTA active, deletion of FIX terminates RTA mode and resumes ECON.
Display returns to boxes.
When RTA not active, deletion of FIX erases a pending RTA MOD. Display
returns to boxes.
Defaults to boxes except when on ground or an engine-out mode active; then it is
blank.
2 Required Time Of Arrival Speed (RTA SPD)
Displays FMC computed cruise speed to accomplish RTA.
Blank if no RTA fix or time entered, or with descent active.
3 Maximum Speed (MAX SPD)
Valid entry is Mach .100M to .99M.
Deletion of entered value displays default Mach.
Default Mach .880 displays in small font.
4 ERASE
Displays ERASE when modification pending.
Push - displays previous unmodified page, or if no previous active values, deletes
RTA in 1R.
5 Required Time Of Arrival (RTA)
Boxes display after entry of FIX in 1L.
Valid entry is time from 0000.0 to 2359.9. Decimal entry o f.0 is optional.
Suffix to RTA indicates:
• no suffix – arrive at entered time
• A – arrive at or after entered time
• B – arrive at or before entered time
Deletion terminates RTA and returns ECON as cruise mode.
6 Altitude/ETA (ALT/ETA)
Displays predicted altitude and ETA atRTA fix.
Blank until performance data is entered.
7 PRIOR RTA
Displays after RTA waypoint deleted and executed.
December 01, 1999
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
11.42.32 D6-30151-425
Flight Management, Navigation -
FMC Cruise
Push -
• displays previously active RTA fix and time
• initiates RTA modification
Execution activates RTA function.
December 01, 1999
747 Operations Manual
Flight Management, Navigation Chapter 11
FMC Descent andApproach Section 43
Copyright © The Boeing Company. See title page for details.
D6-30151-425 11.43.1
Introduction
The descent phase starts at the top of descent point and continues to the end of
descent point. Planning for descent phase starts during cruise.
The approach phase starts at the end of descent point and continues to touchdown
or missed approach. If a go–around is accomplished, the FMC climb mode
　
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