Lateral Modes; Heading Mode (Hdg); Track Mode (Trk); Navigation (Vor) - Piper CHEROKEE ARCHER II Pilot Operating Handbook

LATERAL MODES

HEADING MODE (HDG)

1. HDG Key ................................................................................................................................ PRESS
2. HDG/TRK Knob ......................................................... Rotate to set heading bug to desired heading.
3. When the airplane reaches the heading bug, the autopilot will roll the wings level to track the
reference.

TRACK MODE (TRK)

1. TRK Key ................................................................................................................................. PRESS
2. HDG/TRK Knob ................................................................... Rotate to set track bug to desired track.
3. When the airplane reaches the track bug, the autopilot will roll the wings level to track the reference.

NAVIGATION (VOR)

1. Navigation Source. ................................................................................. SELECT CDI to VHF NAV
2. Course Pointer ............................................................................... SET CDI to the Desired Course
3. Intercept Heading ............................................................ ESTABLISH in HDG, TRK or ROL mode
4. NAV Key ................................................................................................................................. PRESS
If the Course Deviation Indicator (CDI) is greater than one dot from center, the autopilot will arm
the VOR mode. The pilot must ensure that the current heading will result in a capture of the
selected course. If the CDI is one dot or less from center, the autopilot will enter the capture
mode when the NAV key is pressed.
190-02291-07 Rev. 4
The autopilot will turn the airplane in the direction of the heading bug.
The autopilot will turn the airplane in the direction of the track bug.
NOTE
Tune and identify the station frequency.
AFMS – GFC 500 Autopilot in Piper PA-28 Series
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