737 Flight Crew Operations Manual
Flight Management, Navigation -
Flight Management System
Operation
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11.31.2 D6-27370-866-EGP
If a standard instrument departure (SID) is to be entered into the route, the
departure/arrival (DEP/ARR) page is selected. After selecting the desired SID, the
resulting modification must be appropriately linked to the existing route and
executed. This can be accomplished on the RTE or RTE LEGS page.
When all required preflight entries are complete, the preflight status prompts on
the TAKEOFF REF page are no longer displayed.
Takeoff
The takeoff phase begins with selection of TO/GA and extends to the thrust
reduction altitude where climb thrust is normally selected.
Climb
The climb phase begins at the thrust reduction altitude and extends to the top of
climb (T/C) point. The T/C point is where the airplane reaches the cruise altitude
entered on the PERF INIT page.
Cruise
The cruise phase begins at the T/C point and extends to the top of descent (T/D)
point. Cruise can include step climbs and en route descents.
Descent
The descent phase begins at the T/D point or when either a level change or vertical
speed descent is initiated. The descent phase extends to the beginning of the
approach phase.
Approach
The approach phase begins two miles from the first waypoint of a published
approach or approach transition selected from the ARRIVALS page.
Flight Complete
After landing, the flight complete phase clears the active flight plan and load data.
Some preflight data fields initialize to default values in preparation for the next
flight.
FMC and CDU Terminology
The following paragraphs describe FMC and CDU terminology.
Active – flight plan information currently being used to calculate LNAV or VNAV
guidance commands.
September 15, 2016
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