6-18
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Proc
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/VNAV, LNAV, LNAV +V, LPV, LP, and
LP +V approaches according to the published chart.
Phase of flight
Annunciation
Description
Minimums
L/VNAV
Lateral Navigation/Vertical Navigation. RNAV non-
precision approach with 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.
LP +V
LP +V indicates Localizer Performance with
advisory vertical guidance. This annunciation
is available in software v6.00 and later. This
advisory guidance follows the same nature as
set by the LNAV +V as shown above.
Published LP
minimums.
Table 6-3 RNAV Approach Annunciations
Summary of Contents for GTN 625
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