Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-12 Rev. A
SECTION 7 – NAVIGATION
7-18
15) As seen in Figure 7-37, the aircraft is approaching
TOD. Note the target vertical speed required to
reach the selected altitude. The Vertical Deviation
Indicator (VDI) and the Required Vertical Speed
Indicator (RVSI) are now displayed on the PFD as
shown in Figure 7-38. When the aircraft is within
one minute of the TOD, it is annunciated as shown
in Figure 7-38, and an aural alert ‘Vertical track’
will be heard.
Figure 7-37 Approaching Top of Descent (TOD)
Figure 7-38 VDI & RVSI Upon Reaching Top of Descent (TOD)
16) Upon reaching TOD, a descent vertical speed is
established by placing the VSI pointer in line with
the RVSI as shown in Figure 7-39.
Figure 7-39 VDI & RVSI Showing Correctly Established Descent
Align Actual
Vertical Speed
with Required
Vertical Speed
Keep Vertical
Deviation
Indicator
Centered