Garmin G5 Install Manual & Pilot's Guide
190-02072-00 Rev. E
202
Pilot's Guide
Installation Manual
Pilot's Guide
Appendix
Index
2.9.9.7 GLIDEPATH MODE (GP) (WITH EXTERNAL WAAS
ENABLED IFR NAVIGATOR ONLY)
Glidepath Mode is used to track a WAAS or other satellite-based augmentation
system SBAS generated glidepath. When Glidepath Mode is armed, ‘GP’ is annunciated
in white in the Autopilot Status Box.
Selecting glidepath mode:
1)
EXTERNAL NAVIGATOR: Ensure a GPS approach with vertical guidance
(LPV, LNAV/VNAV, LNAV +V) is loaded into the active flight plan. The active
waypoint must be part of the flight plan (cannot be a direct-to a waypoint
not in the flight plan).
2)
Ensure that GPS is the selected navigation source.
3)
Press the
APR
Key.
NOTE:
Some RNAV (GPS) approaches provide a vertical descent angle as an
aid in flying a stabilized approach. These approaches are NOT considered
Approaches with Vertical Guidance (APV). Approaches that are annunciated
on the HSI as LNAV or LNAV+V are considered Non-precision Approaches
(NPA) and are flown to an MDA even though vertical glidepath (GP) informa-
tion may be provided.
WARNING:
When flying an LNAV approach (with vertical descent angle)
with the autopilot coupled, the aircraft will not level off at the MDA even if
the MDA is set in the altitude preselect.
Upon reaching the glidepath, the flight director transitions to Glidepath Mode and
begins to capture and track the glidepath.
Once the following conditions have been met, the glidepath can be captured:
• The active waypoint is at or after the final approach fix (FAF).
• Vertical deviation is valid.
• The CDI is at less than full-scale deviation.
• Automatic sequencing of waypoints has not been suspended.
Figure 2-42 Glidepath Mode
Glidepath
Mode Active
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