IFD500 Series Pilot Guide
6-30 Navigation
CAUTION
VTF Transitions
VTF transitions in the IFD provide guidance to the
extended final approach course.
When assigned a VTF clearance on an SBAS
approach (LPV, LP and LNAV/VNAV) with an offset
leg into the Final Approach Fix (FAF) where the leg
to the FAF is not aligned with the final approach
course (i.e. an angled entry to the FAF), the pilot
should ask the ATC controller to clarify if those
vectors are to extended final or the published offset
inbound leg to the FAF.
In the case where ATC responds with the extended
final scenario, Avidyne recommends the pilot select
the “Vectors” transition option in the FMS approach
dropdown. In the case where ATC responds with
the published offset leg scenario, Avidyne
recommends the pilot activate the inbound leg to the
FAF from the FMS FPL tab to ensure the offset leg
is accounted for.
VISUAL APPROACHES
Visual approaches are non-precision for use in VMC only and are
intended to provide enhanced situational awareness. A visual
approach is flown the same way as LNAV+V (i.e. including
advisory vertical deviations). However, the glideslope angle is
controlled by a user setting. Advisory vertical guidance will be
provided until the aircraft reaches a point 0.1nm from the runway
threshold. During a visual approach, the Nav Mode datablock will
display “Visual” for the approach type.
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