IFD400 Series Pilot Guide
Navigation 5-23
NOTE FOR THE IFD410 ONLY
VHF based Approaches
Although the IFD410 has no VHF radio, ILS, LOC
and VOR approaches will still be displayed in the
dropdown list of available approaches at your
destination. Though the unit will allow the user to
select those approaches, it will only give GPS
overlaid lateral guidance. The unit will provide no
vertical guidance on an ILS approach. Any guidance
is advisory only as these types of approaches
should be flown with the NAV radio and not the IFD.
AUTOMATIC MODE SWITCHING †
Automatic mode switching to VLOC (e.g. GPSVLOC transition),
including automatically setting the inbound course, will occur if
the capture criteria defined above are met and the primary nav
frequency can be auto-identified. If auto tuning has not been
enabled on the setup pages, or a station cannot be identified,
automatic mode switching will not occur.
TIPS AND TECHNIQUES
Exception to Automatic Nav Mode Switching
If VLOC mode had been previously manually
selected to be the nav mode (e.g. cross-tuning a
VOR) and then an approach is activated in the flight
plan that would have normally resulted in a
GPSVLOC nav mode indication, the nav mode will
NOT toggle to GPSVLOC. Instead, it will stay at
VLOC since it is assumed the pilot intended to keep
using the previous function. Likewise, the approach
nav frequency will be inserted into the standby nav
frequency slot but not the active nav frequency
position. Both the nav mode transition and the
swapping of the nav frequencies will have to be
manually performed by the pilot.
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