737 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Messages
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 11.60.23
ADVISORY MESSAGE CAUSE CORRECTIVE ACTION
USING RSV FUEL
(U13.0 and earlier)
Predicted fuel remaining
at DEST is less than the
RESERVES entry on the
PERF INIT page.
Clear the message and
change routing if
required.
V SPEEDS
U N AVA I L A B L E
FMC cannot compute
V speeds (as installed)
due to unreasonable
inputs on the RTE, PERF
INIT, or TAKEOFF REF
pages.
Correct inputs that affect
V speed computation.
VERIFY RNP VALUE When entering an RNP
the underlying RNP
value is smaller than the
manually entered value
or the ANP is greater
than the manually
entered RNP.
Change or delete the
manually entered RNP.
VERIFY VERT RNP
VA L U E
(U10.5 and later)
With CDS navigation
performance scales
enabled, a manually
entered vertical RNP is
greater than the default
vertical RNP or
manually entered
vertical RNP is less that
vertical ANP.
Clear the message.
Change or delete the
manually entered RNP.
XXXX (airport
identifier)
A REF AIRPORT is
entered on the POS INIT
page and no entry of
ORIGIN yet appears on
RTE page 1.
Enter the airport
identifier on the ORIGIN
data line.
September 15, 2016
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