Copyright . The Boeing Company. See title page for details.
Flight Management, Navigation -Company Data Link 737 Flight Crew Operations Manual

FMC Communications Page YD651 - YD655
FMC communication page provides ability to initiate AOC datalink downlink requests. The actual prompts available and types of information requests generated is customer definable. The page examples below are representative only.

Flight Plan Request (FLT PLAN)
Push – transmits a data link request for a flight plan uplink.

Winds Request (WINDS)
Push – transmits a data link request for a winds uplink.

INDEX
Push – displays the INIT/REF INDEX page.
Copyright . The Boeing Company. See title page for details.
11.33.12  March 28, 2005

737 Flight Crew Operations Manual

Introduction
Completion of the FMC preflight requires data entry in all minimum required data locations. Completing all required and optional preflight data entries ensures the most accurate performance possible.
YA613, YA626, YA801 - YA809, YC411 - YD655 Data link can be used to load preflight data from airline ground stations. Using data link reduces the required crew actions. Manual crew entries replace existing data. Data link can also be used to load takeoff data onto the TAKEOFF REF
pages.
Preflight Page Sequence
The normal preflight sequence follows paging prompts on each CDU page. The normal FMC power–up page is the identification page. Preflight flow continues in this sequence:
.
identification (IDENT) page

.
position initialization (POS INIT) page

.
route (RTE) page

.
DEPARTURES page (no automatic prompt)

.
performance initialization (PERF INIT) page

.
with U10.1 or later installed:

.
N1 LIMIT page

.
takeoff reference (TAKEOFF REF) page. Some of these pages are also used in flight.

Copyright . The Boeing Company. See title page for details.
Flight Management, Navigation -FMC Preflight

Minimum Preflight Sequence
YA721, YA722

YA613 - YA687, YA801 - YK104

Copyright . The Boeing Company. See title page for details.
11.40.2  September 27, 2004

Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
During preflight, a prompt in the lower right of the CDU page automatically directs the crew through the minimum requirements for preflight completion. Pushing the prompt key for the next page in the flow presents new entry requirements. Additional entries are made on pages to refine the performance and route calculations. If a required entry is missed, a prompt on the TAKEOFF page leads the crew to the preflight page that is missing data.
The airplane inertial position is required for FMC preflight and flight instrument operation.
A route must be entered and activated. The minimum route information is origin and destination airports and a route leg.
Performance information requires the airplane weight and cruising altitude.
Supplementary Pages
Supplementary pages are sometimes required. These pages must be manually selected. Manual selection interrupts the normal automatic sequence. Discussions of each normal page include methods to display the page when the automatic sequence is interrupted.
When the route includes SIDs and STARs, they can be entered into the preflight using the DEPARTURES or ARRIVALS pages.
Route discontinuities are removed, the route is modified, and speed/altitude restrictions are entered on the RTE LEGS page. The RTE LEGS page is described in the FMC Takeoff and Climb and FMC Cruise sections of this chapter.
YA613 - YA687, YA801 - YA809, YC411 - YD655 Alternate airports are added on the ALTERNATE DESTS page. The ALTERNATE DESTS page is described in the FMC Descent/Approach section of this chapter.
Waypoint, navigation, airport, and runway data is referenced on the REF NAV DATA page or the SUPP NAV DATA page. The REF NAV DATA page and SUPP NAV DATA page are described in the FMC Cruise section of this chapter.
VNAV performance is improved if the forecast winds and temperatures are entered during the preflight.
A single wind and temperature for cruise may be entered on the PERF INIT page. Wind and temperature data for specific cruise waypoints are entered on the RTE DATA page. The RTE DATA page is described in the FMC Cruise section. Wind and temperature for descent is entered on the DES FORECASTS page. The DES FORECASTS page is described in the FMC Descent section.
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Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual

Preflight Pages
The preflight pages are presented in the sequence used during a typical preflight.
Initialization/Reference Index Page
　
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