Copyright . The Boeing Company. See title page for details.
March 28, 2005 11.60.9
Flight Management, Navigation -FMC Messages 737 Flight Crew Operations Manual
ALERTING MESSAGE CAUSE CORRECTIVE ACTION
VERIFY POSITION Position information is contradictory. Refer to FMC Navigation Check Supplementary Procedure.
VERIFY RNP U10.2A and earlier: Underlying RNP value is less than manually entered value or a GPS approach has been selected and the default RNP is active (no crew entered or leg specified RNP active). U10.3 and later: Underlying RNP value is less than manually entered value. Enter appropriate RNP.
VERIFY TAKEOFF SPEEDS A PERF INIT change has been made after takeoff speeds were specified. On TAKEOFF REF page 1, accept previous V speeds, or reject previous V speeds and enter new V speeds.
VERIFY VERT RNP U10.5 and later: During an active descent with CDS navigation performance scales enabled, a manually entered vertical RNP is greater than the default vertical RNP. Clear CDU message. Enter appropriate vertical RNP.
VNAV DISCONNECT The criteria for VNAV engagement is not satisfied (VNAV disengages). U10.4 and later: On approach, with VNAV engaged, the FCC has switched to LVL CHG. Manually control the vertical path.
Copyright . The Boeing Company. See title page for details.
11.60.10 September 29, 2005
Flight Management, Navigation -FMC Messages 737 Flight Crew Operations Manual
FMC Entry Error Messages
These messages relate to incorrect scratchpad entries. FMC entry error messages:
.
are shown in the CDU scratchpad
.
illuminate the message light (MSG) of the CDU where the entry error was
made
.
temporarily overwrite data in the scratchpad. Use the CLR key or key in new data to remove the message. If the CLR key is used to remove the message, the data previously entered is once again displayed.
If new data is keyed in over the message, the message and the data previously entered are removed.
ENTRY ERROR MESSAGE CAUSE CORRECTIVE ACTION
ALT CONSTRAINT XXXXX (waypoint identifier) A flight plan modification has caused an altitude conflict with a waypoint that has an altitude constraint. Clear the message and revise the entry.
DATA BASE FULL Entry attempted into a supplemental or temporary navigation database category which is full. Go to the NAV DATA pages and delete unneeded waypoints, navaids, or airports from the appropriate database and re–attempt entry.
DUPLICATE FLIGHT PLAN ID U10.3 and later: The entry attempted is a duplicate of an existing supplemental flight plan name. Clear the message and select a unique flight plan name.
INVALID DELETE DEL key operation was attempted for a data line to which it was not applicable. Clear the message and select the proper line after the DEL key is pressed.
INVALID ENTRY Attempted data entry has incorrect format, range, etc. for the selected data line. Entered RTA waypoint is not in the flight plan. Clear the message and scratchpad entry, and repeat the entry with the correct data.
INVALID QUAD U10.2 and later: Attempted HOLD page QUAD entry has incorrect format or range. Clear the message and revise the QUAD entry.
Copyright . The Boeing Company. See title page for details.
September 27, 2004 11.60.11
Flight Management, Navigation -FMC Messages 737 Flight Crew Operations Manual
ENTRY ERROR MESSAGE CAUSE CORRECTIVE ACTION
NO OFFSET AT LEG XXXXX (waypoint) Attempted entry of a lateral offset start or end waypoint XXXXXX that is not offsetable (lateral offset as installed). Clear the message and amend the route.
NOT IN DATA BASE FMC does not contain the required data for the entered identifier. Clear the message and check data entry, or enter the required information into the supplemental or temporary navigation database via the NAV DATA pages.
NOT IN FLIGHT PLAN RTA waypoint or lateral offset (as installed) start/end waypoint entry is not in active flight plan. Clear the message and amend the entry.
ROUTE FULL Entry of more than maximum allowed number of waypoints or holding patterns attempted. Clear the message and review existing and desired waypoints and holding patterns for possible deletion.
SUPP RTE DATA BASE FULL U10.3 and later: Attempted save of the 11th supplemental flight plan. Clear the message, delete unneeded supplemental flight plans and re–attempt entry.
Copyright . The Boeing Company. See title page for details.
11.60.12 September 27, 2004
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