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GR O S S W T F L A P S V R EF
K T
K
K
T
T
F L A P/S P E ED
W I N D C O R R
K T
G / S
O F F
Q F E
L A N D I N G R E F
K M W H 3 2 R
FT M
o
o
o
MISSED APPR
+05
--/---
124
127
130
30
25
20
<0N
13501 4115
< QNH
333.1
APPROACH
APPROACH
INIT/REF INDEX
REF
INDEX
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>
INIT CRUISE OR DESCENT MODE
REF
1
2
3
4
5
6
7
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Descent and Approach
Boeing Proprietary 11.43.19
Selecting QFE sets the cabin pressurization schedule, and the destination landing
altitude indication to zero altitude. With the landing reference set to QFE,
changing the barometric setting from STD to QFE changes the PFD altitude tape
background color to green. With QFE selected and climb phase active, changing
the barometric setting from QFE to STD causes the landing reference to toggle
from QFE to QNH and the green background color is removed.
For QFE operations, refer to Supplementary Procedures, Flight Instruments,
Displays.
Toggles between QFE and QNH. The active mode displays in large green font.
The inactive mode displays in small white font.
The displayed runway reference changes based on route progress. The destination
runway is the reference when the present position is more that halfway to the
destination or more than 400 nm from the origin airport. The origin airport runway
is the reference when less than halfway or less than 400 nm from the origin airport.
Displays length of the new destination runway following a change of destination
on the ROUTE page or following execution of a DIVERT.
Displays the length in feet and meters of the referenced runway.
Push – displays the INT/REF INDEX page.
A gross weight is necessary for VREF speed calculation. Push the applicable line
select key to select the correct VREF speed. The three VREF speeds are based on
landing flap setting.
Displays the calculated reference speed for flaps 20°, 25°, and 30°.
At lighter landing weights the VREF for flaps 25° and flaps 30° will be the same.
In this condition, the line select key adjacent to the flap 30° will be displayed in
cyan and will not be selectable due to noise certification requirements for the
airplane.
Display is blank prior to having a valid gross weight on the PERF INIT page or
entering gross weight on this page.
The flap position and VREF speed is entered for landing.
The VREF speed displays on the PFD.
Deletion of the data removes VREF from the PFD.
Push – displays the MISSED APPROACH REF page.
3 Runway Length
4 INDEX
5 FLAPS VREF
6 FLAP/SPEED
7Missed Approach (MISSED APPR)
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Descent and Approach
11.43.20 Boeing Proprietary
Alternate Airport Diversions
ALTN page 1/2 data aids the flight crew in finding a suitable alternate airport. The
page displays four airports in an ETA sequence. Each airport on the list has an
ALTN XXXX page with more data. Select the ALTN XXXX page with a caret.
ALTN LIST page 2/2 may contain a list of uplinked alternate airports.
Three alternate airport uplinks can be received. ALTN LIST page 1/2 can get an
uplink for the entire page or for just the ALTN INHIB line. ALTN LIST page 2/2
can receive an uplink of alternate airport names.
Alternate Page 1/2
The first alternate page displays alternate airport data. An alternate airport can be
selected to change the flight plan destination.
The source of alternate airports can be:
• an uplink directly to this page
• automatic selection from the ALTN LIST page
• automatic selection from the navigation database
• manual entry.
Alternate airports automatically selected from the alternate list or the navigation
database display in small font. When in range, all four alternates display on the
ND in cyan. The alternate airport symbols display when the ND is in the plan
mode. When in range, the selected alternate airport displays at all times on the ND
map. When in range, other alternates display on the ND when the ARPT selection
is made on the ND pull down menu. Alternates outside the 640 nm display range
are considered offscale airports and display on the ND as directional arrows with
airport ICAO identifier and distance in nm.
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787机组操作手册Flight Crew Operations Manual 3(84)
