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190-00595-01 Rev. B
Garmin G1000 Pilot’s Guide for the Beechcraft A36/G36
343
AUTOMATIC FLIGHT CONTROL SYSTEM
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
Prior to descent path interception, the Selected Altitude must be set below the current aircraft altitude
by at least 75 feet. For the flight director to transition from Altitude Hold to Vertical Path Tracking Mode,
acknowledgment is required within five minutes of descent path interception by:
• Pressing the VNV Key
• Adjusting the Selected Altitude
If acknowledgment is not received within one minute of descent path interception, the white ‘VPTH’
annunciation starts to flash. Flashing continues until acknowledged or the descent path is intercepted. If
the descent is not confirmed by the time of interception, Vertical Path Tracking Mode remains armed and the
descent is not captured.
In conjunction with the “TOD [top of descent] within 1 minute” annunciation in the PFD Navigation Status
Box and the “Vertical track” voice message, VNV indications (VNV Target Altitude, vertical deviation, and
vertical speed required) appear on the PFD in magenta (Figure 7-11).
Selected
Altitude
Below VNV
Target
VNV Target
Altitude
Required
Vertical
Speed
Indicator
Enroute
Phase of
Flight
GPS is
Selected
Navigation
Source
Figure 7-11 Vertical Path Capture
Vertical Path Tracking
Armed, (Flashing Indicates
Acknowledgment Required)
Altitude Hold
Mode Active
Vertical
Deviation
Indicator