CABIN RATE
Displays the predicted cabin rate of descent required by the flight plan descent profile.

Thermal Anti–Ice On/Off (TAI ON/OFF)
Enter the altitudes in flight level or feet at which anti–ice is expected to be turned

on and off.
(U3 and U4) FMC computations assume thrust at high idle between these
altitudes.

(U5 and on) FMC computations assume minimum thrust at high idle at all times
in flight.

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Flight Management, Navigation -FMC Descent and Approach 737 Operations Manual

ISA Deviation and QNH (DEV/QNH)
Enter the average ISA deviation for descent in °C (+/–XX°C) or °F (+/–XX°F) Enter the destination QNH altimeter setting (IN. HG. or MB). Do not enter a QFE altimeter setting.

Descent Wind (ALT – – – – – WIND – – – – DIR/SPD)
Allows entry of altitude and wind direction/speed for up to three forecast wind values.
Entries may be made in any altitude sequence and will be automatically ordered by altitude from highest to lowest.

ERASE
Push – deletes modification and returns page to previously displayed descent page.
Flight Management, Navigation -FMC Descent and Approach 737 Operations Manual

Engine Out Descent
There are no specific engine out pages for descent. Use the normal descent planning features and pages.
Approach
During approach, LNAV and VNAV guidance normally transitions to the approach guidance provided by navigation radios. The FMC continues to calculate and display present position and can provide LNAV and VNAV approach guidance for certain types of approaches when radio navigation is not used.
The RTE LEGS and PROGRESS pages are used to manage the airplane until other approach guidance becomes active. Other pages which support approaches are:
.
APPROACH REF page – to select the approach VREF

.
ARRIVALS page – to select the desired arrival and approach procedures

.
HOLD page – to manage holding patterns. Holding is described in this section but it can be used during any phase of flight.

Arrivals Page – IFR Approaches
The arrivals page allows selection of an approach, standard terminal arrival route (STAR), and arrival transitions to the destination airport. This page can also be used to view information about a selected airport that is not the destination. Procedures for the origin and destination airport can be selected for entry into the flight plan.
The approaches, STARS, profile descents, and transitions are displayed and selected on this page.
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Flight Management, Navigation -FMC Descent and Approach 737 Operations Manual

Page Title
The destination airport identifier is displayed in the title.
Airports with more than 5 runways or STARs produce multiple arrivals pages.

Standard Terminal Arrival Routes (STARS)
Upon initial selection, an alphabetical listing of all STARS and profile descents is

displayed.
STARS are displayed first in a list under the STAR label. Profile descents are
listed after the STARS under the PROF DES label.

Selection of the desired STAR deletes all other STARs and non–applicable
approaches/runways, and displays a listing of any arrival transitions applicable to
that STAR.

The selection of an approach or runway deletes all STARs not related to that
approach/runway.

INDEX
Push – displays the DEP/ARR INDEX page.
Flight Management, Navigation -FMC Descent and Approach 737 Operations Manual

Approaches and Runways (APPROACHES/RUNWAYS)
Upon initial page display, an alphabetical listing of all approaches for the airport,
followed by a numerical listing of all runways, is displayed.
Selection of the desired approach or runway deletes all other approaches/runways.

ROUTE
Push – displays the RTE page.
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Flight Management, Navigation -FMC Descent and Approach 737 Operations Manual
Arrivals Page during approach selection

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Flight Management, Navigation -FMC Descent and Approach 737 Operations Manual

STARS
Displays the selected STAR.

Arrival Transitions (TRANS)
Displays all arrival transitions related to the selected STAR.

Selected Status Label (<SEL>)
　
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