Flight Management, Navigation -FMC Preflight 737 Operations Manual

FMC Position (FMC POS)
Displays the FMC calculated latitude/longitude. Blank if at least one IRS is not supplying a valid present position.

IRS Left (IRS L)
Displays the latitude/longitude position as determined by the left IRS. Blank if IRS position is invalid.

IRS Right (IRS R)
Displays the latitude/longitude position as determined by the right IRS. Blank if IRS position is invalid.
Flight Management, Navigation -FMC Preflight 737 Operations Manual

RADIO (U4 and on)
Displays the latitude/longitude position as determined by the navigation radios. Blank if on the ground or if radio position is invalid in flight.

Ground Speed (GS)
Displays the ground speed from FMC and IRS. Blank if ground speed of related system is invalid.

INDEX (U3)
Push – displays the INIT/REF INDEX page.

ROUTE (U3)
Push – displays the ROUTE page.
Copyright . The Boeing Company. See title page for details.
11.40.14  December 1, 2000

Flight Management, Navigation -FMC Preflight
Route/Departure Pages Route Page
The route is entered and displayed in air traffic control format. The first RTE page displays origin and destination data and the first two route segments. Additional route segments are displayed on subsequent RTE pages.
Individual portions of the route may be manually entered by the flight crew. A pre-defined route may be loaded using the CO ROUTE line. CO ROUTE entries must correspond to a company defined route in the navigation database.

Copyright . The Boeing Company. See title page for details.
June 8, 2001  11.40.15
Flight Management, Navigation -FMC Preflight 737 Operations Manual

Page Title
The word ACT appears to the left of the title when the route has been activated
and executed.
The word MOD appears to the left of the normal title when the route is modified
and the change is not executed.

Multiple route pages are indicated by the page sequence number to the right of the
title.

ORIGIN
Enter the ICAO airport identifier for the origin.
An entry is required for route activation.
Valid entries must be in the navigation database.
Inflight entry is inhibited for the active route. Entry of a new origin erases the

previous route and can be accomplished on the active route only on the ground.
New entries on an active route display MOD in the route title.
Enables direct selection of departure and arrival procedures for the origin airport.
Automatically entered as part of a company route.

Company Route (CO ROUTE)
A company route can be called from the navigation database by entering the route
identifier. The data provided with a company route can include origin and
destination airports, departure runway, SID and STAR, and the route of flight. All
company route data is automatically entered when the route identifier is entered.

An entry is optional for activation of the route.
Enter a company route identifier.
Valid entry is any crew entered company route name. If the name is not contained

in the NAV database, the scratchpad message NOT IN DATABASE is displayed.
Entry of a new company route replaces the previous route.
Inflight entry is inhibited for the active route.

RUNWAY
Enter the desired runway for the origin airport.
An entry is optional for activation of the route.
Entries must be in the navigation database.
New entries on an active route display MOD in the route title.
Automatically entered when part of a company route.

Copyright . The Boeing Company. See title page for details.
11.40.16  June 7, 2002

Flight Management, Navigation -FMC Preflight 737 Operations Manual
Can be entered from the DEPARTURES page. Deleted upon reaching the first waypoint.

Destination (DEST)
Enter the ICAO airport identifier for the destination of the route.
An entry is required for route activation.
Entries must be in the navigation database.
New entries on an active route display MOD in the route title.
Enables direct selection of arrival procedures for the destination airport.
Automatically entered as part of a company route.
Entry and execution of a new destination clears any runway and runway

dependent approach procedure of the previous destination. If the active leg is part

of the affected procedure, then all subsequent (inactive) legs are cleared.

Flight Number (FLT NO.)
Enter the company flight number.
Entry is optional for activation of the route.
Limited to 8 characters.
Crew entered.
Flight number is included in the PROGRESS page title.
　
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