Piper ARCHER II Pilot Operating Handbook page 253

lf airspeed data is lost while the autopilot is tracking airspeed, the flight director will default to
pitch mode (PIT).
1. AP DISC / TRIM INT Button... eeesiseseectsecumeecestreeeseseesnseneessenees PRESS AND RELEASE
(to cancel disconnect tone)
2. Aircraft Attitude... ccccscsectsceserseceeteeeteeesstisesertneees MAINTAIN / REGAIN AIRCRAFT CONTROL
3. Manual Elevator Tritt) ......ccccccccsesesseseneeeecseresseeeeeessesssensreveessnaeneesatenecenanesasaaeeventenes TRIM as required
NOTE
The autopilot cannot be re-engaged. The flight director is available however [AS mode cannot
be selected. Loss of airspeed will be accompanied by a red PTRIM indication on the G5 or G3X
(if a pitch trim servo is installed).
LOSS OF ALTITUDE DATA
(Red X through altitude tape on the G5 or G3X display.)
NOTE
If altitude data is lost while the autopilot is tracking altitude, the autopilot will default to pilch mode
(PIT).
1.
AUtOpilot oo cece sees ssseneucssssssectecsaneteusieeressasssessseessuaeeteuseecseaenas SELECT different vertical mode
LOSS OF GPS INFORMATION
(GPS position information is lost lo the autopilot.)
NOTE
\f GPS position data is lost while the autopilot is tracking a GPS, VOR, LOC or BC course, the
autopilot will default to roll mode (ROL). The autopilot will default to pilch mode if GPS
i i lost while tracking an ILS. The autopilot uses GPS aiding in VOR, LOC and BC
1.
If on an instrument approach:
e AP DISC/ TRIM INT button
Or
AFMS — GFC 500 Autopilot in Piper PA-28 Series 190-02291-07 Rev. 5
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