Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-11 Rev. A
SECTION 6 – AUTOMATIC
FLIGHT CONTROL
6-15
Figure 6-16 Glidepath Mode Armed
If vertical guidance becomes or is expected to become
unavailable and the approach downgrades, Glidepath
Mode is disarmed. When vertical guidance becomes
available again, Glidepath Mode is automatically re-armed
under GPS Approach Mode.
Glideslope Mode (GS)
NOTE: Pressing the CWS Button while Glideslope
Mode is active does not cancel the mode. The
autopilot guides the aircraft back to the glides-
lope upon release of the CWS Button.
Figure 6-17 Glideslope Mode
NAV2 (localizer) is Selected
Navigation Source
Command Bars Indicate Descent on
Localizer/Glideslope Path
Glideslope
Indicator
Approach Mode
Active
Glideslope
Mode Active
Active ILS
Frequency Tuned
Glideslope Mode is available for LOC/ILS approaches
to capture and track the glideslope. Glideslope Mode is
armed when:
• Avalidlocalizerfrequencyistuned
• LOC ApproachMode is armed(the APR Key is
pressed and either LOC is the selected navigation
source or a LOC/ILS approach is loaded into the
flight plan; see LOC Approach Mode)
Figure 6-18 Glideslope Mode Armed
Once the localizer has been set as the navigation
source, the localizer and glideslope can be captured. Upon
reaching the glideslope, the flight director transitions to
Glideslope Mode and begins to intercept and track the
glideslope.