6-8
Pilot’s Guide
190-02488-01 Rev. B
Messages
Navigation Advisories
ADVISORY
CONDITION
CORRECTIVE ACTION
Set Course on
CDI/HSI to
<current DTK>.
The selected course on
the CDI/HSI does not
match the current
desired track.
NOTE:
This advisory is
not provided when
interfaced to a
composite type CDI.
Set the CDI/HSI selected
course to the current desired
track.
Holding EFC time
has expired.
It is past the specified
Expected Further
Clearance time for the
user-defined hold.
No action necessary.
Consider contacting ATC as
appropriate.
True north
approach. Verify
NAV angles are
referenced to True
north (ºT).
The loaded procedure
references true north
and the active leg has a
published true north
reference.
Verify the NAV angle is set to
True north.
Magnetic north
approach. Verify
NAV angles are
referenced to
Magnetic north.
The loaded approach is
magnetic, but the NAV
angle reference is not.
Change NAV angle setting to
Magnetic.
NAV angles are
referenced to True
north (ºT).
NAV angle is set to True.
No action necessary.
NAV angles are
referenced to a user
set value (ºU).
NAV angle is set to User.
No action necessary.
Non-WGS84
Waypoint. See
pilot’s guide.
Location may be
different than
where surveyed for
<WPT>.
The active waypoint
does not reference the
WGS84 datum.
No action necessary.
For more information, read
“Points About Non-WGS84
Waypoints” in this section.
Summary of Contents for GNC 355
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