737 Flight Crew Operations Manual
Flight Management, Navigation Chapter 11
FMC Cruise Section 42
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D6-27370-866-EGP 11.42.1
42 FMC CruiseFMC Cr uiseFile Highlight
Introduction
The cruise phase automatically begins when the top of climb is reached.
During cruise, the primary FMC pages are:
• RTE LEGS
• PROGRESS
• CRZ.
The RTE LEGS pages are used to manage route restrictions and modify the route.
The PROGRESS pages display flight progress information. RTA requirements are
also specified on the PROGRESS pages. The CRZ pages display VNAV related
information. Other pages include:
• POS REF page – verifies the FMC position (refer to Section 40 of this
chapter)
• POS SHIFT page – permits selection of preferred position from list of
references
• RTE DATA page – displays progress data for each waypoint on the RTE
LEGS page. Displays wind data for cruise waypoints.
• REF NAV DATA page – displays information about waypoints,
navaids, airports, or runways
• LATERAL OFFSET page – permits selection of a route offset
• FIX INFO page – displays information about waypoints, and can be
used to create new waypoints and fixes
• SELECT DESIRED WAYPOINT page – permits selection of the
desired waypoint from a list of duplicate named waypoints
• NAV STATUS page – displays information about available navigation
aids.
The only cruise mode automatic page changes are the transition from climb to
cruise at the top of climb point and from cruise to descent at the top of descent
point.
LNAV Modifications
This section presents the normal techniques for modifying the route. The
modifications include:
• adding and deleting
waypoints
• resequencing waypoints
• linking discontinuities
• intercepting a course.
September 28, 2006
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