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2 PRESELECT
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
Boeing Proprietary 11.40.31
PARK displays when:
• electrical power is first applied
• more than 200 nm from the T/D, or
• less than halfway to the destination.
ILS frequency, front course, and PARK display when an ILS, LOC, back course,
LDA (localizer-type directional aid), or SDF (simplified directional facility) is
selected, and:
• less than 200 nm from the T/D, or
• more than halfway to the destination, whichever represents the lesser
distance to destination.
Line selection manually tunes ILS–MLS.
ILS frequency, front course, and A display when an ILS, LOC, back course, LDA
(localizer-type directional aid), or SDF (simplified directional facility) is selected,
and:
• less than 50 nm from the T/D, or
• less than 150 nm from the runway threshold, or
• FMC is in descent mode.
Receiver tuned manually and valid frequency/course display.
1 Park
2 Tuning Status – Frequency, Course, and Park
3 Tuning Status – Autotune
4 Tuning Status – Manual
PARK
IRS-GLS
W8MT-34-00-0042
<1 1 0 .9 0 / 1 3 0 PARK
A
I R S G L S
M
-
110.90/130
110.90/130
IRS-GLS
IRS-GLS
4
3
2
1
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
11.40.32 Boeing Proprietary
Preflight Pages – Part 2
Performance Initialization Page
The performance initialization page allows the entry of airplane and route data to
initialize performance calculations. This data is required for VNAV calculations.
Calculated gross weight is displayed after Zero Fuel Weight is entered.
Manual entry is not allowed.
1 Gross Weight (GR WT)
W8MT-34-00-0043
<
ON GROUND - INTERTIAL POSITION ENTERED
ACT RTE 1
PERF
PERF
INIT
INIT REF INDEX
PERF
20.0
o
GW WT
F U E L
L B C A L C
Z F W
R E S E R V E S
PE R T I N I T S T E P S I ZE
C R Z C G
MI N F U E L T E MP
C O S T I N D E X
CR Z A LT
INIT
-37 C
%
ICAO
THRUST LIM>
215.0
.
.
<REQUEST
<INDEX
--------------------------------------
>
FMC COMM
INIT
REF
1
2
3
4
5
6
7
8
9
10
11
12
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
Boeing Proprietary 11.40.33
Fuel on board displays when the fuel totalizer calculations are valid. The source
for the display is included in the line:
• SENSED – fuel quantity is from the totalizer. Manual entry is not possible
• CALC (calculated) – fuel quantity is from FMC calculations. Manual
entry is possible
• MANUAL – fuel quantity has been manually entered. Manual entries
blank totalizer on PROGRESS page 2/4.
Box prompts indicate invalid totalizer signals received from the fuel quanity
system. Manual entry required.
Valid entry is XXX or XXX.X.
Only manual entries can be deleted.
Normally, ZFW is entered from the airplane dispatch papers and the FMC
calculates the airplane gross weight.
Valid entry is XXX or XXX.X.
Entry of a value after takeoff speeds are selected removes the speeds and displays
the CDU help window message TAKEOFF SPEEDS DELETED.
ZFW can be manually entered or uplinked. When a performance uplink is
pending, uplinked values (small font) display beside the entered values (large
font).
Valid entry is XXX or XXX.X.
Can be manually entered or uplinked. When a performance uplink is pending,
uplinked values (small font) display beside the entered values (large font).
Push – transmits a datalink request for performance data uplink.
Flight crew can fill in ZFW, CG, cruise altitude, reserves, cost index, or fuel
temperature to qualify request.
Push – displays the INIT/REF INDEX page.
Cruise altitude can be entered by the flight crew or from a company route or
uplink.
Valid entry is XXX, XXXX, XXXXX or FLXXX.
Entry displays this cruise altitude on the CLB and CRZ pages.
2 FUEL
3 Zero Fuel Weight (ZFW)
4 RESERVES
5 Performance Initialization Request (PERF INIT REQUEST)
6 INDEX
7 Cruise Altitude (CRZ ALT)
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
11.40.34 Boeing Proprietary
Cost index is used to calculate ECON climb, cruise, and descent speeds. Larger
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787机组操作手册Flight Crew Operations Manual 3(51)
