Cockpit Reference Guide
Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
SECTION 6 – AUTOMATIC
FLIGHT CONTROL
6-27
Flying a Flight Plan/GPS Course
NOTE: Changing the navigation source cancels
the flight director’s Navigation Mode and causes
the flight director to automatically revert to Roll
Hold Mode, wings level.
As the aircraft closes on Panoche VORTAC, a GPS
flight plan is entered for the next leg, airway
V230. To do this, PXN, CZQ, and KFAT are entered
into the active flight plan.
The aircraft is currently tracking inbound on the 116°
radial of Panoche VORTAC.
Flying a GPS flight plan:
1)
Enter Panoche VORTAC (PXN) and Clovis VORTAC
(CZQ) into the GPS flight plan, in preparation to
intercept this leg.
2)
Transition from VOR to GPS Navigation Mode.
Figure 6-33 Transition to GPS Flight Plan
a) Use the
CDI
Softkey to select GPS as the
navigation source. This causes the flight
director to lose the VOR signal, and the VOR
annunciation flashes yellow as the autopilot
rolls the wings level.
Flashes 10 sec, Transitions to Roll Hold Mode
Unless
NAV
Key is Pressed
b) Press the
NAV
Key to activate GPS Navigation
Mode and cause the autopilot to steer the
aircraft toward the active flight plan leg.
If the NAV Key is not pressed within ten
seconds of the VOR signal loss, the flight
director reverts to Roll Hold Mode
3)
Once the leg is intercepted, the autopilot
continues to track GPS guidance to the end of
the flight plan.