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FLIGHT INSTRUMENTS
VERTICAL NAVIGATION (VNV) INDICATIONS
When a VNV flight plan has been activated, VNV indications (VNV Target Altitude, RSVI, VDI) appear on the
PFD in conjunction with the "TOD within 1 minute" message (Figure 2-35) and "Vertical track" voice alert. See
the GPS Navigation section for details on VNV features. VNV indications are removed from the PFD according
to the criteria listed in Table 2-2.
GPS is Selected
Navigation Source
Aircraft > 1 min before the next TOD and not on a descent leg
Aircraft > 1 min before the next TOD due to flight plan change
VNV cancelled (CNCL VNV Softkey pressed on MFD)
Distance to active waypoint cannot be computed due to
unsupported flight plan leg type (see GPS Navigation Section)
Aircraft > 250 feet below active VNV Target Altitude
Current crosstrack or track angle error has exceeded limit
Active altitude-constrained waypoint can not be reached within
maximum allowed flight path angle and vertical speed
Last altitude-constrained waypoint in active flight plan reached
2-24
Figure 2-35 Vertical Navigation Indications (PFD)
Criteria
Table 2-2 VNV Indication Removal Criteria
Garmin G1000 Pilot's Guide for Piper PA32
Top of Descent Message
VNV Indication Removed
Required Vertical
Vertical
Speed (RSVI)
Deviation (VDI)
X
X
X
X
X
X
X
X
(30 sec before)
VNV Target
Altitude
Vertical Deviation
Indicator
Required Vertical
Speed Bug
Enroute Phase
of Flight
VNV Target
Altitude
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
190-00692-00 Rev. B
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