ELEVATION
Displays or permits entry of the elevation (feet above MSL) of the entered navaid.
Flight Management, Navigation -FMC Cruise 737 Operations Manual

Airport Data Display

Runway Identifier (RUNWAY IDENT)
Permits entry of runway identifier.

Airport Identifier (AIRPORT IDENT)
Displays airport identifier.

ELEVATION
Displays or permits entry of the elevation (feet above MSL) of the entered airport.
Runway Data Display
A runway identifier may be entered on the airport data display page or as a waypoint on the REF NAV DATA page. On the airport data display page, entry may be in the form of 13R or RW13R. Single digit entries are possible, with or without leading zeros.If the waypoint method is used, entry must be in the form RW13R, and the proper airport identifier must be entered on the runway data display page. Runways must be stored in the permanent navigation database.
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Flight Management, Navigation -FMC Cruise 737 Operations Manual

Runway Identifier (RUNWAY IDENT)
Displays runway identifier.

Airport Identifier (AIRPORT IDENT)
Displays airport identifier.

LATITUDE/LONGITUDE
Displays latitude and longitude of entered runway.

ELEVATION
Displays elevation (feet above MSL) of the entered runway.

Runway Length (LENGTH)
Displays length of entered runway in feet and meters.
Navigation Summary (U7 and on)
The NAV SUMMARY pages show the contents of the temporary and supplemental navigation databases. Contents of the temporary navigation database show first, followed by contents of the supplemental navigation database.
Flight Management, Navigation -FMC Cruise 737 Operations Manual

WAYPOINTS
Shows waypoints stored in the related database.
Waypoints show in defining format.

Navigation Aids (NAVAIDS)
Shows navaids stored in related database.

AIRPORTS
Shows airports stored in related database.

INDEX
Push – Shows page (REF NAV DATA or SUPP NAV DATA) used to access NAV SUMMARY pages.
Copyright . The Boeing Company. See title page for details.
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Flight Management, Navigation -FMC Cruise 737 Operations Manual
Supplemental Nav Data

Supplemental Scratchpad Entry (SUPP)
The supplemental navigation database is accessed by entering SUPP in the scratchpad while on the INIT/REF INDEX page, then selecting the NAV DATA prompt. Access is only available on the ground.

Effectivity Date (EFF FRM MON DY/YR)
Allows entry of month, day, and year that the supplemental database becomes valid. The date will be displayed on the IDENT page after entry. Box prompts are displayed if an effectivity date is not entered.

Delete All Supplemental Data (DELETE ALL SUPP DATA)
Data may be deleted from the supplemental database by two methods. Deletion may be accomplished one item at a time on the display pages, or the entire database may be deleted by selecting this prompt. The prompt is only available before entry of an origin airport.
Flight Management, Navigation -FMC Cruise 737 Operations Manual

Navigation Status Display (U7 and on)
The NAV STATUS page displays the current status of the navaids being tuned. Access to the NAV STATUS display is from the NAV STATUS prompt on the POS SHIFT page, the PROGRESS page 1/3, and (in flight) the INIT/REF INDEX page or from the NAV OPTIONS page, NEXT or PREV PAGE.

VOR/ILS and DME Lines
Lines 1L and 1R display VOR or ILS identifier and frequency tuned on the
corresponding VHF NAV control panel.
Lines 2L – 2R through 4L – 4R display up to five DME identifiers and frequencies
tuned by the corresponding DME receiver.

Data is displayed in large font with the identifier highlighted if that facility is

being used for navigation.
Data is displayed in large font with the identifier not highlighted if that facility is
being received but not used for navigation.

Data is displayed in small font if that facility is being tuned but not received.
If the navaid has failed, FAIL will be displayed in small font.
If there is no corresponding identifier for the displayed frequency, then the

identifier field will be blank and only the frequency will be displayed.
On lines 1L or 1R, for VOR/ILS displays, the mode of tuning will be shown:

.
M – Manual

.
P – Procedural

.
A – Automatic.

Copyright . The Boeing Company. See title page for details.
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Flight Management, Navigation -FMC Cruise
737 Operations Manual
On lines 2L – 2R through 4L – 4R, if no DME information is received then the identifier and frequency field is blank.
　
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