Arrow PA-28R-201 Pilot's Operating Handbook And Faa Approved Airplane Flight Manual page 267

PIPER AIRCRAFT CORPORATION
PA-28R-201, ARROW
b. Using Vertical Trim
SECTION 9
SUPPLEMENT 7
(I) VERTICAL TRIM Control - PRESS either up or
down to modify airplane attitude at a rate of
0.7
deg/
sec up to the pitch limits of +
15°
or
_10° .
(2)
VERTICAL TRI M Control- RELEASE when desired
airplane attitude is reached. The autopilot will main-
tain the desired pitch attitude.
4.
Altitude Hold
a. AL T M ode Selector Button - PRESS. Note AL T mode
annunciator ON. Autopilot will maintain the selecied
pressure altitude.
b. Change selected altitudes
( I) Using CWS (recommended for altitude changes greater
than
100
ft.)
(a) CWS Button - PRESS and
fly
airplane to
desired pressure altitude.
(b)
CWS Button - RELEASE when desired pressure
altitude is reached. The autopilot will maintain
the desired pressure altitude.
(2)
Using Vertical Trim (Recommended for altitude
changes less than
100
ft.)
(a) VERTICAL TRIM Control- PRESSeitherupor
down. Vertical Trim will seek an altitude rate of
change of
500
fpm.
(b) VERTICAL TRIM Control - RELEASE when
desired pressure altitude is reached. The autopilot
will maintain the desired pressure altitude.
5.
Heading Changes
a. Manual Heading Changes
I.
CWS Button - P.RESS and MANEUVER airplane
to the desired heading.
2.
CWS Button - RELEASE. Autopilot will maintain
airplane in wings level attitude.
NOTE
Airplane heading may change in the wings level
mode due to an aircraft out of trim condition.
ISSUED: SEPTEMBER 15, 1988
REPORT: VB-1365
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