Section 7 IFR Procedures
1
st
Ed Nov 2018
IDU-450 EFIS Software Version 8.0H (Rotorcraft)
7-33
Table 7-10: Summary of Faults Menu
Mode of Flight
Conditions
Caution Termination
less than 2NM and a
30-second time to
alert.
upon termination of
responsible condition
Automatic RNP
After sequencing the
FAWP, LON displayed
when navigation
system is no longer is
adequate to conduct
or continue the
approach.
Latched until
equipment no longer
in an approach mode.
Enroute and
Terminal
LON displayed when
navigation system is
no longer is adequate
to conduct or continue
the navigation.
Returns to normal
state immediately
upon termination of
responsible condition
LNAV Approach
mode
Upon passing the
FAWP, flag is latched
until EFIS is no longer
in an approach mode.
Returns to normal
state immediately
upon termination of
responsible condition
LNAV/VNAV
Approach mode
LON displayed when
navigation system is
no longer adequate to
conduct or continue
the approach.
After sequencing the
FAWP, LON/VERT
LON flags are latched
until the equipment is
no longer in an
approach mode. As
defined above with the
exception that when
the LNAV/VNAV
approach mode is
predicted upon
Barometric VNAV.
(See Note1)
LP or LPV Approach
mode
LON or VERT LON
displayed when
navigation system is
no longer adequate to
conduct or continue
the approach.
Prior to sequencing
the FAWP, flags
return to normal state
immediately upon
termination of the
responsible condition.
Note 1: A supplemental test is added for lateral and vertical flagging. A
supplemental test is added for vertical flagging when barometric
altitude information is in a failed state.