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displays at LSK 6R.
Takeoff Reference Page 2/2
TAKEOFF REF 2/2 provides additional takeoff data and the ability to modify the
climb profile. Preflight entries are required on page 2 before page 1 can be
completed. Data may be entered by the aircrew or uplinked from either the
company or EFB.
Note: Acceleration/thrust reduction heights are added to runway elevation
causing acceleration/thrust reduction at the desired MSL altitude. For
example, for a runway elevation of 980 feet, an entry of 2020 acceleration
height causes acceleration at 3,000 feet MSL.
<INDEX
TAKEOFF REF
THRUST LIM>
w8mt-34-00-0047
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787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
Boeing Proprietary 11.40.43
Displays uplinked surface wind direction and speed.
Wind direction and speed can be entered by the flight crew or uplink.
Valid directions are from 0 to 360 degrees. (0 and 360 are shown as 000).
Valid speeds are from 0 to 250 knots.
Subsequent entries may be wind direction or speed only.
Entry of wind direction/speed results in calculation and display of RWY WIND.
Entry or uplink of a value after takeoff speeds are selected deletes V speeds and
displays the CDU help window message TAKEOFF SPEEDS DELETED.
Displays the calculated headwind/tailwind and crosswind components for the
takeoff runway and surface wind.
1 WIND
2 Runway Wind (RWY WIND)
w8mt-34-00-0048
O
O
G W
R
TAKEOFF REF 1 / 2
5
o
o
TAKEOFF REF
1
I
/
U0. 5 /WE
W I N D
3 4 0 /
R W Y W
1 4 K T
S L O P E
T
C O N D
K T
N D
6 K T
2 / 2
T
1 5 0 0 F T
1 5 0 0 F T
H R R E D U C T I O N
A C C E L H T
E A C C E L H T
2 0 C
R E F A T
5 0 0 . 0
F L A P S
L I M T O
H
CLB
9
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<INDEX
NEXT
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<TO
TAKEOFF REF
A L T N T H R U S T A C C E L H T
UPLINK 2 / 2
5 1500 FT
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
11.40.44 Boeing Proprietary
Calculated values display in small font.
Speed displays in knots and:
• H for headwind
• T for tailwind
• R for right crosswind
• L for left crosswind.
Flight crew entry is limited to headwind/tailwind entry.
Valid flight crew entries are a two digit number followed by H or T.
Flight crew speed entry without a letter defaults to a headwind component.
A flight crew entry clears the WIND line.
Entry results in display of the CDU help window message TAKEOFF SPEEDS
DELETED.
Flight crew entered or uplinked data entry.
Valid runway slope is U for up or D for down followed by 0.0 through 2.0 in
percent gradient.
Valid runway condition is “D” or “DRY” for dry or “W” or “WET” for wet.
Entry of a value displays the CDU help window message TAKEOFF SPEEDS
DELETED.
Push – displays the INIT/REF INDEX page.
Display is active if a TAKEOFF REF uplink has been accepted which includes
alternate thrust data.
Line title may display:
• ALTN THRUST
• ALTN THRUST/FLAPS.
Push (with data on the line) – selects alternate thrust or alternate thrust/flaps for
takeoff resulting in:
• recomputation of V speeds
• the line title displays STD THRUST or STD THRUST/FLAPS
• the ACCEPT/REJECT prompt displays on the TAKEOFF REF page 1/2
• new takeoff data displays
• the EICAS •FMC message displays
Displays acceleration height for flap retraction with an engine out.
3 Slope/Condition (SLOPE/COND)
4 INDEX
5 Alternate Thrust (ALTN THRUST)
6 Engine Out Acceleration Height (EO ACCEL HT)
787 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
Boeing Proprietary 11.40.45
Default value is from the airline policy file.
Valid entry is a height from 400 to 9999 feet.
Displays acceleration height for flap retraction.
Default value is from the airline policy file.
Entry is Optional. Valid entry is a height from 400 to 9999 feet.
Displays armed climb thrust rating and the altitude for reduction from takeoff
thrust to climb thrust. Default THR REDUCTION value is from the AIRLINE
POLICY file.
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787机组操作手册Flight Crew Operations Manual 3(55)
