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VNAV ALTITUDE TARGET
CHECK AIRLINE
POLICY
After loading a new
airline modifiable
information file, the
FMC determines a
parameter is invalid.
The FMC uses the
loaded value and
notifies the flight
crew of the
difference. Also
displayed if the AMI
is incompatible with
current Operational
Program Config
(OPC) file. This is a
maintenance
function.
INVALID AMI VALUE(S)
VERIFY AMI
Note: Once the CDU help window
message is cleared, it does
not display again for that
load.
DESCENT PATH
DELETED
VNAV active and all
waypoint altitude
constraints defining
the descent profile
deleted.
ALL DESCENT
CONSTRAINTS DELETED
ERASE MOD OR
ENTER NEW CONSTRAINT
Note: This message displays
before execution of the
modification which deletes
the descent path.
787 Flight Crew Operations Manual
Flight Management, Navigation -
EICAS Messages
Boeing Proprietary 11.60.5
Help Window Title Condition Help Window Text
DISCONTINUITY LNAV active and the
route is not defined
after the waypoint
(except when the
waypoint is before a
manually terminated
leg, such as FM, VM,
HM legs).
FM – a course from a
fix to a flight crew
entered manual route
termination.
VM – a heading leg
from a fix to a flight
crew entered manual
route termination.
HM – a holding
pattern to a flight
crew entered manual
route termination.
LNAV IN HEADING HOLD
MODIFY ACTIVE WAYPOINT
DRAG REQUIRED VNAV active and
additional drag
required or
autothrottle off and
less thrust required to
maintain the VNAV
descent path.
UNABLE TO MAINTAIN VNAV
DESCENT SPEED
EXTEND SPEEDBRAKES AS
REQUIRED
END OF OFFSET LNAV active and two
minutes prior to end
of active route offset.
AFDS maintains last
heading if active
route offset
overflown.
APPROACHING END OF OFFSET
DELETE OFFSET OR MODIFY
ACTIVE WAYPOINT
787 Flight Crew Operations Manual
Flight Management, Navigation -
EICAS Messages
11.60.6 Boeing Proprietary
Help Window Title Condition Help Window Text
END OF ROUTE LNAV active and end
of active route
overflown. AFDS
maintains last
heading.
PASSING LAST
WAYPOINT IN ACTIVE ROUTE
MODIFY ROUTE
ENTER INERTIAL
POSITION
The crew entered
present position did
not pass one of the
IRU comparison
checks, or the IRU is
ready to transition to
NAV and has not
received a present
position.
INERTIAL REFERENCE
SYSTEM REQUIRES POSITION
INPUT TO COMPLETE
ALIGNMENT ENTER PRESENT
POSITION ON POS REF 1/X
Note: The crew must press the
CLR key on the MKB to
manually clear this message.
FMC APP MODE
UNAVAIL-GP
Final approach angle
check for selected
FMC IAN approach
has failed.
SELECTED APPROACH HAS
NO GLIDE PATH ANGLE
SPECIFIED CONFIRM APPROACH
SELECTION
FMC APP MODE
UNAVAIL-QFE
FMC IAN approach
selected while QFE
landing reference
enabled.
FMC APPROACH GUIDANCE
NOT AVAILABLE WITH
QFE SELECTED
INSUFFICIENT
FUEL
A change in the route
is made which causes
the computed fuel
burn to exceed the
total fuel on board,
less reserves.
MODIFICATION REQUIRES
MORE FUEL THAN AVAILABLE
REVIEW MOD
LIMIT ALT FLXXX The flight crew or
FMC elected altitude
is greater than the
VNAV limit altitude.
SELECTED ALTITUDE IS
ABOVE VNAV ALTITUDE
LIMIT
MODIFY CRUISE ALTITUDE
OR VNAV TARGET SPEED
NAV DATA OUT OF
DATE
The clock calendar
date is after the active
navigation database
valid calendar cycle.
END DATE OF THE ACTIVE
DATA BASE HAS PASSED
SELECT NEW CYCLE
ON IDENT PAGE
787 Flight Crew Operations Manual
Flight Management, Navigation -
EICAS Messages
Boeing Proprietary 11.60.7
Help Window Title Condition Help Window Text
NAV
INVALID–TUNE
XXXX
RNAV or VOR
approach procedures
must have a specific
navaid tuned. It is
either not tuned or a
valid signal is not
being received.
APPROACH NAVAID
NOT TUNED
VERIFY NAV RADIO PAGE
TUNING
NO ACTIVE
ROUTE
LNAV selected and
no active route
activated.
ACTIVATE ROUTE TO
ENGAGE LNAV
　
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