SUPPLEMENT 5
CENTURY 21 AUTOPILOT INSTALLATION
SECTION 1 - GENERAL
This supplement supplies information necessary for the operation of the airplane when the opitonal
Century 21 Auotpilot is installed in accordance with STC SA3352SW. The information contained within this
supplement is to be used in conjunction with the complete handbook.
This supplement has been “FAA Approved” as a permanent part of this handbook and must remain in
this handbook at all times when the optional Century 21 Autopilot is installed.
SECTION 2 - LIMITATIONS
(a)
Autopilot operation prohibited above 155 KIAS.
(b)
Autopilot OFF during takeoff and landing.
SECTION 3 - EMERGENCY PROCEDURES
(a)
AUTOPILOT
In the event of an autopilot malfunction, or anytime the autopilot is not performing as commanded,
do not attempt to identify the problem. Regain control of the aircraft by overpowering and
immediately disconnecting the autopilot by depressing the AP ON-OFF switch on the programmer
OFF.
Do not operate until the system failure has been identified and corrected.
(1)
Altitude Loss During Malfunction:
a.
An autopilot malfunction during climb, cruise or descent with a 3 second delay in
recovery initiation could reslut in as much as 60° of bank and 320' altitude loss.
Maximum altitude loss was recorded at 155 KIAS during descent.
b.
An autopilot malfunction during an approach with a 1 second delay in recovery initiation
could result in as much as 15° bank and 20' altitude loss. Maximum altitude loss
measured in approach configurations and operating either coupled or uncoupled.
(b)
COMPASS SYSTEM
(1)
Emergency Operation With Optional NSD 360A (HSI) Slaved and/or Non-Slaved:
NSD 360A
a.
Appearance of HDG Flag:
1.
Check air supply gauge (vac or pressure) for adequate air supply (4 in. Hg. min.)
2.
Check compass circuit breaker.
3.
Observe display for proper operation.
ISSUED: AUGUST 14, 1980
REPORT: VB-880
9-15
PIPER AIRCRAFT CORPORATION
SECTION 9
PA-28-161, CHEROKEE WARRIOR II
SUPPLEMENTS
Summary of Contents for CHEROKEE WARRIOR II
Page 253: ...Piper PA 28 161 28 7916159 N3067D ...