Garmin G3X Pilot’s Guide
190-01115-00 Rev. K
312
AFCS
System
Overview
Flight
Instruments
EIS
CNS
Interface
GPS
Navigation
Flight
Planning
Hazar
d
Avoidance
Additional
Featur
es
AFCS
Annun/Alerts
Appendix
Index
Overpowering the autopilot during flight will cause the autopilot’s automatic trim to
run, resulting in an out-of-trim condition or cause the trim to hit the stop if the action
is prolonged. In this case, larger than anticipated control forces are required after the
autopilot is disengaged.
The following steps should be added to the preflight check:
1)
Check for proper autopilot operation and ensure the autopilot can be
overpowered.
2)
Note the forces required to overpower the autopilot servo clutches.
FLIGHT DIRECTOR OPERATION
The flight director function provides pitch and roll commands to the pilot and
autopilot, which are displayed on the PFD. With the flight director active, the aircraft
can be hand-flown to follow the path shown by the Command Bars. The Flight Director
has the following maximum commands: pitch (-15°, +20°) and roll (30°) angles.
ACTIVATING THE FLIGHT DIRECTOR USING THE GMC 305
An initial press of a key listed in the table below (when the flight director is not
active) activates the flight director in the listed modes. The flight director may be
turned off and the Command Bars removed from the display by pressing the
FD
Key
again. The
FD
Key is disabled when the autopilot is engaged.
Control Pressed
Modes Selected
Lateral
Vertical
FD
Key
Roll Hold (default)
ROL
Pitch Hold (default)
PIT
AP
Key
Roll Hold (default)
ROL
Pitch Hold (default)
PIT
TO/GA
Button
Takeoff (on ground)Go
Around (in air)
TO
GA
Takeoff (on ground)Go
Around (in air)
TO
GA
ALT
Key
Roll Hold (default)
ROL
Altitude Hold
ALT
VS
Key
Roll Hold (default)
ROL
Vertical Speed
VS
VNV
Key
Roll Hold (default)
ROL
Vertical Navigation*
VNAV
IAS
Key
Roll Hold (default)
ROL
Indicated Airspeed
IAS
APR
Key
Approach**
GPS
VOR
LOC
Pitch Hold (default)
PIT
Summary of Contents for G3X Touch
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