737 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
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D6-27370-866-EGP 11.40.3
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.
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.
September 28, 2006
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