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6-14
Garmin GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. B
Foreword
Getting
Started
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Music
Utilities
System
Messages
Symbols
Appendix
Index
NOTE: If you attempt to intercept the approach course at a distance less
than 2.0 NM from the FAF, the GTN 6XX does not automatically switch
the CDI to VLOC. In this case, touch the CDI key to manually switch from
GPS to VLOC.
The automatic switch from GPS to VLOC is not immediate, but instead occurs
gradually to prevent abrupt CDI changes when coupled to an autopilot. The CDI
selection can also be changed manually by touching the CDI key.
6.12 RNAV Approach Procedures
The GTN 6XX allows for flying LNAV, LNAV/VNAV, LNAV + V, LP, and LPV
approaches according to the published chart.
Phase of flight
Annunciation
Description Minimums
L/VNAV Lateral Navigation/Vertical Navigation. RNAV non-
precision approach with advisory vertical guidance.
Published LNAV/
VNAV minimums.
LNAV Lateral Navigation. RNAV non-precision approach. Published LNAV
minimums.
LNAV + V Lateral Navigation with Advisory Vertical
Guidance. RNAV non-precision LNAV approach
with advisory vertical guidance. The glidepath
is typically denoted by a light dashed line on
the vertical profile (Jeppeson only) with an
associated glidepath angle (usually in the 3.00
degree range) and is provided to assist the pilot
in maintaining a constant vertical glidepath,
similar to an ILS glideslope.
Published LNAV
minimums.
LPV Localizer Performance with Vertical guidance
(LPV) approach.
RNAV precision approach.
Published LPV
minimums.
LP LP indicates Localizer Performance with no
vertical guidance.
Published LP
minimums.
Table 6-2 RNAV Approach Annunciations