Garmin G1000 Cockpit Reference Guide for the Columbia 350/400
SECTION 6 – AUTOMATIC
FLIGHT CONTROL
6-17
Flight Level Change (Descent)
While flying the GPS leg from Panoche VORTAC to
Clovis VORTAC, the aircraft is cleared to make a descent
to 3000 feet in preparation for the approach to KFAT.
1) Enter Flight Level Change Mode.
a) Using the ALT Knob, set the Selected Altitude
to 3000 feet.
b) Press the
FLC
Key to activate Flight Level
Change Mode. The annunciation ‘FLC’
appears next to the Airspeed Reference,
which defaults to the current aircraft airspeed,
142 knots. Altitude Hold Mode is armed
automatically.
1.
2.
3.
CruiseAltitude of 7,000 MSL
SelectedAltitude of 3,000 MSL
ALTHold Mode
FLCMode
Figure 6-23 FLC Descent
2) Reduce power to allow descent in Flight Level
Change Mode. The autopilot maintains the
Airspeed Reference.
3) Upon capturing the Selected Altitude, the flight
director changes from Flight Level Change to
Altitude Hold Mode. The annunciation ‘ALT’
flashes in green to indicate the altitude capture.
After the capture is complete, the autopilot holds
the aircraft level at the Selected Altitude.