Standard Instrument Departures (SIDS)
Displays SIDS for the airport and runway selections.
Without the selection of a runway on the RTE page, the initial display contains all of the information for the airport runways and SIDS. As selections are made, incompatible options are removed. SID transitions are displayed after a SID is selected.
Transitions (TRANS)
Displays transitions compatible with the selected SID.
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Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
ERASE/INDEX
ERASE is displayed when a route modification is pending.
Push – removes route modifications that are not executed and restores the original
route.
INDEX is displayed when no route modification is pending.
Push – displays the DEP/ARR INDEX page.
RUNWAYS
Displays a list of runways for the selected airport.
The runway selected on the RTE page is displayed as <SEL> or <ACT> when this
page is displayed.
ROUTE
Push – displays the RTE page.
Selecting Options
Selecting an option displays <SEL> inboard of the option, and a route modification is created. When the modification is executed, the <SEL> becomes <ACT>. Leaving the page and returning displays all options and the <SEL> or <ACT> prompts.
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Flight Management, Navigation -FMC Preflight
Performance Initialization Page
The performance initialization page allows the entry of airplane and route data to initialize performance calculations. This information is required for VNAV calculations.
YA686 - YA722, YC153, YC154, YK101 - YK104
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Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
YA613, YA626, YA801 - YA809, YC411 - YD655
Gross Weight/Cruise Center of Gravity (GW/ CRZ CG)
Airplane gross weight is required. The entry can be made by the flight crew or
automatically calculated by the FMC, following entry of zero fuel weight.
Enter airplane gross weight.
Valid entries are xxx or xxx.x.
Automatically displays calculated weight when zero fuel weight is entered first.
Displays default or manually entered cruise CG. Entry of actual cruise CG may
increase maximum altitude capability.
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Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
FUEL YA686 - YA722, YC153, YC154, YK101 - YK104
Fuel on board is automatically displayed as received from the airplane fuel quantity indication system.
In flight, when the FMC is not receiving the required fuel data, the CDU displays dashes and allows manual entry of fuel weight. After manual entry, MAN (manual) appears next to the fuel weight. Manual entry of fuel weight should continue approximately every 30 minutes for the remainder of the flight to keep gross weight current.
PLAN/FUEL YA613, YA626, YA801 - YA809, YC411 - YD655
Fuel on board is automatically displayed as received from the airplane fuel
quantity indication system.
PLAN entry allows fuel predictions before actual fuel is known. Entry is blanked
with flaps extended or in flight.
In flight, when the FMC is not receiving the required fuel data, the CDU displays
dashes and allows manual entry of fuel weight. After manual entry, MAN
(manual) appears next to the fuel weight. Manual entry of fuel weight should
continue approximately every 30 minutes for the remainder of the flight to keep
gross weight current.
Zero Fuel Weight (ZFW)
Airplane zero fuel weight is required. Normally the ZFW is entered from the
airplane dispatch papers and the FMC calculates the airplane gross weight.
Enter the airplane zero fuel weight.
Valid entry is xxx or xxx.x.
Calculated zero fuel weight is automatically displayed if airplane gross weight is
entered first and fuel on board is valid.
RESERVES
Enter fuel reserves for the route.
Entry is required to complete the preflight.
Valid entry is xx or xx.x.
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Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
COST INDEX
The cost index is used to calculate ECON climb and cruise speeds. The value reflects the relative impacts on overall trip cost of fuel cost as compared to other direct hourly operating costs.
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