Takeoff Reference Page 1/2
The takeoff reference page allows the crew to manage takeoff performance.
Takeoff flap setting and V speeds are entered and verified. Thrust limits, takeoff
position, CG, and trim can be verified or changed. Preflight pages are selectively displayed to indicate preflight status whenever required entries on those pages are incomplete. Takeoff reference page entries finish the normal preflight. V speeds should be set before completion. FMC position can be updated prior to takeoff.
YA686 - YA722, YC153, YC154, YK101 - YK104
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11.40.40 June 1, 2005
FMC Preflight
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June 1, 2005 11.40.41
Flight Management, Navigation -FMC Preflight
YA613, YA626, YA801 - YA809, YC411 - YD655
FLAPS
Enter takeoff flaps setting. Manual entry of 1, 5, 10, 15, or 25 allowed.
Takeoff N1 (XXK N1)
Displays the FMC computed N1 for takeoff.
Data line title displays full rated thrust or selected takeoff derate thrust. Typical
line titles display as “24K N1” or “22K N1.”
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Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
Data line title changes to RED XXK N1 when an assumed temperature (SEL TEMP) entry results in a reduced N1 value. If a SEL TEMP and a DERATE are both selected the data line title will change to "RED XXK N1," and the effect on thrust will be additive. The Reference N1 bugs will still display full rated or selected takeoff derate thrust N1 values.
Center of Gravity (CG)
Initial display is dashes.
After CG is entered, the FMC calculates and displays stabilizer takeoff trim settings.
TRIM
Displays stabilizer takeoff trim setting.
Display is blank unless FLAPS and CG are entered.
INDEX YA686 - YA722, YC153, YC154, YK101 - YK104
Push – displays the INIT/REF INDEX page.
V Speeds YA686 - YA722, YC153, YC154, YK101 - YK104
Crew calculated V speeds may be entered and displayed for reference. Entered V1 and VR will automatically display on the airspeed indication.
Company Data Link YA613, YA626, YA801 - YA809, YC411 - YD655
Copyright . The Boeing Company. See title page for details.
Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
TAKEOFF DATA REQUEST
Push – transmits a data link request for a takeoff data uplink. Resulting TAKEOFF REF uplink may contain takeoff data for up to 6 runways, which are stored in FMC uplink memory.
Intersection (INTERSECT)
Displays active runway.
An intersection may be entered. Valid entries are 1 to 3 alphanumerics.
If an intersection is entered and TAKEOFF DATA REQUEST is made, the
runway/intersection pair is included in the request downlink.
If the displayed runway or runway/intersection pair matches a runway or
runway/intersection pair in FMC uplink memory, the associated TAKEOFF REF
UPLINK is annunciated for flight crew ACCEPT/REJECT.
FMC Computed V Speed Data YA613, YA626, YA801 - YA809, YC411 - YD655
QRH
Displays FMC computed V speeds, based on assumed temperature, current gross weight and flap setting.
V Speeds (V1, VR, and V2)
Push – selects associated FMC computed V speed from center column.
Manual entry may be made.
Large font V speeds are displayed on the airspeed indication.
Copyright . The Boeing Company. See title page for details.
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Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
Takeoff Weight (TOW)
Displays gross weight that the large font V speeds in the column above are based on.
Blank if there are no large font V speeds in the column above.
Gross Weight (GW)
Displays current gross weight.
FMC computed V speeds in the column above are based on this weight.
Select FMC Computed V Speeds On/Off (SELECT QRH ON/OFF)
When SELECT QRH OFF displayed
. Push – Removes FMC computed V speeds from display.
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