Copyright . The Boeing Company. See title page for details.
11.40.4 March 28, 2005
Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
YA613 -YA687, YA801 -YA809, YC411 - YD655
IDENT
Push – displays the IDENT page, the first page in the automatic preflight sequence.
Copyright . The Boeing Company. See title page for details.
Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
Position Initialization (POS)
.
Push – displays the POS INIT page used for IRS initialization.
.
POS INIT page is also used to enter/update magnetic heading for an IRS
which is in the ATT mode.
Performance Initialization (PERF)
Push – displays the PERF INIT page for initialization of data required for VNAV operations and performance predictions.
Takeoff Reference (TAKEOFF)
Push – displays the TAKEOFF REF page to enter takeoff reference information and V speeds.
APPROACH
Push – displays the APPROACH REF page for entry of the approach VREF speed.
Navigation Data (NAV DATA)
Push – displays the REF NAV DATA page to display information about waypoints, navaids, airports, and runways. On the ground, displays the SUPP NAV DATA page if SUPP is entered in the scratchpad prior to selection.
Maintenance (MAINT) or Navigation Status (NAV STATUS)
.
MAINT – On ground only.
Push – displays maintenance pages for maintenance use.
.
NAV STATUS – Replaces MAINT prompt when in air.
Push – displays NAV STATUS page which shows status of navigation
aids being tuned by the FMC. Replaces MAINT prompt when in air.
OFFSET
Push – displays the LATERAL OFFSET page for initiating a lateral offset.
Alternate Destinations (ALTN DEST) YA613 - YA687, YA801 - YA809, YC411 - YD655
Push – displays the ALTERNATE DESTS page used for alternate airport planning and diversions.
Copyright . The Boeing Company. See title page for details.
11.40.6 June 1, 2005
Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
Identification Page
Most of the data on this page is for crew verification. Active date accepts manual
entries.
The crew verifies FMC data and selects a navigation database on the identification
page.
MODEL
Displays the airplane model from the FMC performance database (e.g., 737–600, 737–700, 737–800 or 737-900).
Navigation Data (NAV DATA)
Displays the navigation database identifier.
Operational Program (OP PROGRAM)
Displays the Boeing software part number and update version. Update version installed at delivery:
YA721, YA722
.
Update 10.2 (U10.2)
YA801 - YA803
(SB changes YA613 - YA687, YC153 - YC413)
.
Update 10.3 (U10.3)
Copyright . The Boeing Company. See title page for details.
Flight Management, Navigation -FMC Preflight 737 Flight Crew Operations Manual
YA809
.
Update 10.4 (U10.4)
YD651, YK101 - YK104
(SB changes YA613 - YA687, YC153 - YC413)
.
Update 10.5 (U10.5) or 10.5A (U10.5A)
YD652 - YD655
.
Update 10.6 (U10.6)
INDEX
Push – displays the INIT/REF INDEX page.
Engine Rating (ENG RATING)
Displays the engine thrust stored in the FMC performance database (e.g., 20K, 22K, 24K, 26K or 27K).
ACTIVE Date Range
Displays the effectivity date range for the active navigation database.
Database activation is accomplished by pushing the proper date range prompt to copy that date into the scratchpad. The scratchpad date may then be transferred to the ACTIVE database line. The previous active date moves down to the inactive date line.
The ACTIVE label appears above the active navigation database date. No label appears above the inactive navigation database date. The navigation database date can be changed only on the ground. Changing the navigation database removes all previously entered route data.
When an active database expires in flight, the expired database continues to be used until the active date is changed after landing.
Inactive Date Range
Displays the effectivity date range for the inactive navigation database.
Supplemental Data (SUPP DATA)
Displays the effective date of supplemental data. Blank if supplemental database is empty.
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