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Garmin G1000 Cockpit Reference Guide for the Columbia 350/400
SECTION 6 – AUTOMATIC
FLIGHT CONTROL
6-6
Vertical Speed Mode (VS)
1) Press the
VS
Key. The flight director is now
activated (if not already active) and ‘VS’ is
displayed in green in the Active Mode field
and the Vertical Speed Bug will appear on the
Vertical Speed Indicator. Pitch commands are
given to manually maintain vertical speed.
Press the
AP
Key to engage the autopilot for
maintaining the current vertical speed.
Altitude Hold mode is automatically armed with
‘ALT’ displayed white in the Armed Mode field
to the right of the ‘VS’ annunciation.
2) The Vertical Speed Bug can be adjusted in 100
fpm increments by pressing the
NOSE UP/NOSE
DN
Keys to set the desired vertical speed. The
vertical speed setting will be displayed in the
Selected Vertical Speed Box and in the Vertical
Speed Reference field in the AFCS Status
Box.
Figure 6-12 Vertical Speed Hold Mode
Vertical Speed
Reference Bug
Selected Vertical
Speed
Selected Altitude
Altitude Hold is Armed
Flight Director
command bars
indicating a climb
at the prescribed
vertical speed,
to the Selected
Altitude
Vertical Speed Reference
Vertical Speed mode is active
The Vertical Speed Box is located above the VSI
when the aircraft is climbing and below the VSI
when descending.
3) Vertical speed may also be changed by pressing
and holding the
CWS
button to manually
establish the desired vertical speed using the
control stick. When the
CWS
button is released,
the current vertical speed will be maintained.
4) A desired altitude may be entered in the
Selected Altitude Box by turning the
ALT
Knob. With Altitude Hold mode armed, as the
selected altitude is reached ‘ALT’ will flash in
green for 10 seconds in the Active Mode field,
after which the annunciation stops flashing.
This signals the altitude capture is complete
and the selected altitude will be maintained.
If only the flight director is engaged, pitch
commands are given to manually maintain the
selected altitude.